{
  "metadata": {
    "version": "0.10.0",
    "released": "2026-07-08",
    "author": "Institute of Ghost Science",
    "repositoryUrl": "https://github.com/Institute-of-Ghost-Science/igs-terminology",
    "license": "CC BY-NC 4.0",
    "licenseUrl": "https://creativecommons.org/licenses/by-nc/4.0/",
    "schemaVersion": "2.0.0",
    "termCount": 99
  },
  "terms": [
    {
      "term": "Ambient Temperature Deviation Detection",
      "slug": "ambient-temperature-deviation-detection",
      "definition": "Detection of deviations from ambient temperature, usually using a device that measures or records temperature changes.",
      "tags": [
        "Environmental Factor",
        "Equipment"
      ],
      "aliases": [
        "Ambient temperature deviation",
        "ATDD",
        "Cold spots",
        "Hot spots",
        "Temperature deviation detection"
      ],
      "related": [
        "Temperature Changes"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Anomalous Activity",
      "slug": "anomalous-activity",
      "definition": "Activity, evidence, or conditions that differ from what is expected and have not yet been explained.",
      "tags": [
        "Evidence",
        "Foundational Concept"
      ],
      "aliases": [
        "Anomalous event",
        "Anomaly"
      ],
      "related": [
        "Footsteps",
        "Paranormal",
        "Supernatural"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Apophenia",
      "slug": "apophenia",
      "definition": "The perception of meaningful patterns, connections, or significance in unrelated or random information.",
      "tags": [
        "Natural Explanation",
        "Perceptual Factor"
      ],
      "aliases": [
        "False pattern recognition",
        "Meaningful pattern perception",
        "Pattern perception"
      ],
      "related": [
        "Auditory Illusion",
        "Electronic Voice Phenomenon",
        "Pareidolia"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Apparition",
      "slug": "apparition",
      "definition": "A visual phenomenon interpreted as a person, figure, animal, object, or presence that is not ordinarily visible or physically accounted for at the time of observation.",
      "tags": [
        "Entity Term",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Figure",
        "Visual manifestation"
      ],
      "related": [
        "Ghost",
        "Mists",
        "Pareidolia",
        "Shadow People",
        "Spirit",
        "Visual Phenomena"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Apport",
      "slug": "apport",
      "definition": "The reported appearance of an object without an apparent physical cause.",
      "tags": [
        "Physical Phenomenon"
      ],
      "aliases": [
        "Apportation",
        "Object appearance"
      ],
      "related": [
        "Anomalous Activity",
        "Asport",
        "Materialization",
        "Physical Phenomena",
        "Poltergeist",
        "Trigger Object"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Asport",
      "slug": "asport",
      "definition": "The reported disappearance of an object without an apparent physical cause.",
      "tags": [
        "Physical Phenomenon"
      ],
      "aliases": [
        "Asportation",
        "Dematerialization",
        "Object disappearance"
      ],
      "related": [
        "Anomalous Activity",
        "Apport",
        "Physical Phenomena",
        "Poltergeist",
        "Trigger Object"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Attachment",
      "slug": "attachment",
      "definition": "The idea that paranormal activity can be connected or attached to a person, place, object, or presence.",
      "tags": [
        "Entity-Related",
        "Interpretation"
      ],
      "aliases": [
        "Attached spirit",
        "Entity attachment",
        "Manabee",
        "Spirit attachment",
        "Spiritual attachment"
      ],
      "related": [
        "Anomalous Activity",
        "Demon",
        "Exorcism",
        "Ghost",
        "Haunting",
        "Possession",
        "Spirit"
      ],
      "versionAdded": "0.5.0",
      "versionUpdated": "0.8.0"
    },
    {
      "term": "Audio Phenomena",
      "slug": "audio-phenomena",
      "definition": "A category of phenomena involving any auditory event that is perceived or documented.",
      "tags": [
        "Audio Phenomenon",
        "Category"
      ],
      "aliases": [
        "Auditory phenomena",
        "Sound phenomena"
      ],
      "related": [
        "Disembodied Voice",
        "Electronic Voice Phenomenon",
        "Footsteps",
        "Infrasound",
        "Knocking",
        "Whispers"
      ],
      "versionAdded": "0.1.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Auditory Illusion",
      "slug": "auditory-illusion",
      "definition": "The perception or interpretation of unclear or ambiguous audio as meaningful sound or language.",
      "tags": [
        "Audio Phenomenon",
        "Natural Explanation",
        "Perceptual Factor"
      ],
      "aliases": [
        "Auditory pareidolia",
        "Misheard phrase",
        "Misheard words",
        "Mondegreen"
      ],
      "related": [
        "Disembodied Voice",
        "Electronic Voice Phenomenon",
        "Pareidolia",
        "Whispers"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Aura",
      "slug": "aura",
      "definition": "A perceived field of energy surrounding a person, place, or object, sometimes represented as a glow.",
      "tags": [
        "Interpretation",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Energy field",
        "Personal energy",
        "Spiritual field"
      ],
      "related": [
        "Energy",
        "Spirit"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Baseline Reading",
      "slug": "baseline-reading",
      "definition": "An initial measurement or observation recorded before an investigation or controlled test, used as a comparison point to help identify anomalies or changes in conditions.",
      "tags": [
        "Evidence",
        "Research"
      ],
      "aliases": [
        "Baseline",
        "Initial reading"
      ],
      "related": [
        "Compromised Evidence",
        "Control",
        "Environmental Contamination"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Battery Drain",
      "slug": "battery-drain",
      "definition": "An unexpected loss of battery charge that may be interpreted as anomalous activity or as evidence of it.",
      "tags": [
        "Evidence",
        "Physical Phenomenon"
      ],
      "aliases": [
        "Battery loss",
        "Drained battery",
        "Energy drain",
        "Power drain"
      ],
      "related": [
        "Anomalous Activity",
        "Energy",
        "Physical Phenomena"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.8.0"
    },
    {
      "term": "Benevolent",
      "slug": "benevolent",
      "definition": "Describes reported activity or presence perceived as helpful, protective, harmless, or positive in intent.",
      "tags": [
        "Entity-Related",
        "Interpretation"
      ],
      "aliases": [
        "Benign",
        "Friendly",
        "Helpful",
        "Positive",
        "Protective"
      ],
      "related": [
        "Haunting",
        "Intelligent Activity",
        "Malevolent",
        "Spirit"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Bibliomancy",
      "slug": "bibliomancy",
      "definition": "A practice in which a book or written text is opened and a page, word, or passage is selected at random and interpreted for significance.",
      "tags": [
        "Practice"
      ],
      "aliases": [
        "Book divination",
        "Rhapsodomancy",
        "Text divination"
      ],
      "related": [
        "Instrumental Trans-Communication",
        "Ouija",
        "Psychography"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Call and Response",
      "slug": "call-and-response",
      "definition": "A technique in which an investigator prompts for a reply, often by asking a question or making a noise, and then monitors for a response.",
      "tags": [
        "Audio Phenomenon",
        "Technique"
      ],
      "aliases": [
        "Call-and-response",
        "Question and response",
        "Response session"
      ],
      "related": [
        "Disembodied Voice",
        "Electronic Voice Phenomenon",
        "Instrumental Trans-Communication",
        "Intelligent Activity",
        "Provoking",
        "Spirit Box"
      ],
      "versionAdded": "0.5.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Cat Balls",
      "slug": "cat-balls",
      "definition": "Motion-activated light-up balls, often sold as pet toys, used during investigations as visible indicators of movement or vibration.",
      "tags": [
        "Equipment"
      ],
      "aliases": [
        "Cat ball",
        "Cat toy",
        "Devil's Marble",
        "Light-up ball",
        "Motion ball"
      ],
      "related": [
        "Baseline Reading"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Chain of Custody",
      "slug": "chain-of-custody",
      "definition": "Documentation of how evidence was collected, handled, stored, and reviewed.",
      "tags": [
        "Evidence"
      ],
      "aliases": [
        "Custody record",
        "Evidence custody"
      ],
      "related": [
        "Compromised Evidence",
        "Corroboration"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Collective Experience",
      "slug": "collective-experience",
      "definition": "An event or perception reported by more than one person, either at the same time or in close sequence, and interpreted as involving the same anomalous activity, presence, or phenomenon.",
      "tags": [
        "Perceptual Factor",
        "Personal Experience",
        "Witness Account"
      ],
      "aliases": [
        "Collective apparition",
        "Collective phenomena",
        "Collective report",
        "Collective sighting",
        "Shared experience"
      ],
      "related": [
        "Anomalous Activity",
        "Apparition",
        "Auditory Illusion",
        "Corroboration",
        "Personal Experience",
        "Suggestibility"
      ],
      "versionAdded": "0.7.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Compromised Evidence",
      "slug": "compromised-evidence",
      "definition": "Evidence affected by environmental contamination, handling, instrument error, or other conditions that make it unreliable or unsuitable for analysis.",
      "tags": [
        "Evidence"
      ],
      "aliases": [
        "Contaminated evidence",
        "Unusable evidence"
      ],
      "related": [
        "Chain of Custody",
        "Environmental Contamination"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Control",
      "slug": "control",
      "definition": "A known or intentionally arranged condition used to help distinguish reported anomalous activity from ordinary environmental, technical, psychological, or procedural explanations.",
      "tags": [
        "Research"
      ],
      "aliases": [
        "Control condition",
        "Control session",
        "Controlled experiment"
      ],
      "related": [
        "Baseline Reading",
        "Compromised Evidence",
        "Debunking",
        "Environmental Contamination",
        "False Positive"
      ],
      "versionAdded": "0.7.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Corroboration",
      "slug": "corroboration",
      "definition": "Evidence from another witness or source that supports or aligns with a report or other evidence.",
      "tags": [
        "Evidence"
      ],
      "aliases": [
        "Independent support",
        "Supporting evidence"
      ],
      "related": [
        "Anomalous Activity",
        "False Positive",
        "Personal Experience"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Data Logger",
      "slug": "data-logger",
      "definition": "A device used to record multiple measurements or environmental conditions over time for later review.",
      "tags": [
        "Equipment"
      ],
      "aliases": [
        "Environmental logger",
        "Logger"
      ],
      "related": [
        "Baseline Reading",
        "Electromagnetic Field",
        "Environmental Contamination",
        "Temperature Changes"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Debunking",
      "slug": "debunking",
      "definition": "The process of disproving a claim that specific activity, evidence, or an experience is or was paranormal in origin.",
      "tags": [
        "Natural Explanation",
        "Research"
      ],
      "aliases": [
        "Debunk",
        "Disproving a claim"
      ],
      "related": [
        "Anomalous Activity",
        "Compromised Evidence",
        "Environmental Contamination",
        "False Positive",
        "Paranormal"
      ],
      "versionAdded": "0.5.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Demon",
      "slug": "demon",
      "definition": "A presence believed or interpreted as nonhuman or spiritual, commonly associated with harmful, hostile, deceptive, or malevolent intent.",
      "tags": [
        "Entity Term",
        "Interpretation"
      ],
      "aliases": [
        "Demonic entity",
        "Demonic presence",
        "Evil spirit"
      ],
      "related": [
        "Attachment",
        "Exorcism",
        "Malevolent",
        "Possession",
        "Spirit"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Disembodied Voice",
      "slug": "disembodied-voice",
      "definition": "A voice-like or speech-like sound heard at the time it occurs without an apparent source.",
      "tags": [
        "Audio Phenomenon"
      ],
      "aliases": [
        "Audible voice phenomena",
        "Direct voice phenomena",
        "Unexplained voice",
        "Voice anomaly"
      ],
      "related": [
        "Audio Phenomena",
        "Electronic Voice Phenomenon",
        "Whispers"
      ],
      "versionAdded": "0.1.0",
      "versionUpdated": "0.7.3"
    },
    {
      "term": "Dowsing",
      "slug": "dowsing",
      "definition": "A practice in which the movement of a handheld tool, such as rods or a pendulum, is interpreted as indicating hidden objects, substances, or paranormal activity.",
      "tags": [
        "Practice",
        "Technique"
      ],
      "aliases": [
        "Divining",
        "Rhabdomancy",
        "Water witching"
      ],
      "related": [
        "Dowsing Rods",
        "Instrumental Trans-Communication"
      ],
      "versionAdded": "0.10.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Dowsing Rods",
      "slug": "dowsing-rods",
      "definition": "Handheld rods believed to sometimes indicate paranormal activity by moving, crossing, or pointing.",
      "tags": [
        "Equipment"
      ],
      "aliases": [
        "Divining rods",
        "Dowsing sticks",
        "L-rods"
      ],
      "related": [
        "Call and Response",
        "Dowsing",
        "Instrumental Trans-Communication",
        "Intelligent Activity"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Ectoplasm",
      "slug": "ectoplasm",
      "definition": "Historically, a substance claimed in mediumship to appear during spirit communication; in modern investigations, also used for web-like or fibrous material found at a location and interpreted as possible paranormal evidence.",
      "tags": [
        "Evidence",
        "Physical Phenomenon"
      ],
      "aliases": [
        "Ectoplasmic substance",
        "Spirit substance",
        "Teleplasm",
        "Web-like substance"
      ],
      "related": [
        "Environmental Contamination",
        "Materialization",
        "Physical Phenomena"
      ],
      "versionAdded": "0.8.0",
      "versionUpdated": "0.8.0"
    },
    {
      "term": "Electromagnetic Field",
      "slug": "electromagnetic-field",
      "definition": "A field of combined electric and magnetic forces produced by electric charges and their movement. Changes in electromagnetic field readings are sometimes interpreted as possible evidence of paranormal activity.",
      "tags": [
        "Environmental Factor"
      ],
      "aliases": [
        "Electromagnetic field measurement",
        "Electromagnetic field reading",
        "EMF"
      ],
      "related": [
        "EMF Spike",
        "Paranormal",
        "Temperature Changes"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Electronic Audio Phenomenon",
      "slug": "electronic-audio-phenomenon",
      "definition": "Recorded audio interpreted as an anomalous sound, signal, voice, or noise that was not observed at the time of recording.",
      "tags": [
        "Audio Phenomenon",
        "Evidence"
      ],
      "aliases": [
        "EAP",
        "Electronic audio phenomena",
        "Electronic sound phenomena",
        "Electronic sound phenomenon",
        "Recorded audio anomaly"
      ],
      "related": [
        "Audio Phenomena",
        "Auditory Illusion",
        "Disembodied Voice",
        "Electronic Voice Phenomenon",
        "Instrumental Trans-Communication",
        "Spirit Box"
      ],
      "versionAdded": "0.7.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Electronic Voice Phenomenon",
      "slug": "electronic-voice-phenomenon",
      "definition": "Recorded audio interpreted as voices or speech that were otherwise not observed at the time of recording.",
      "tags": [
        "Audio Phenomenon",
        "Evidence"
      ],
      "aliases": [
        "Electronic voice phenomena",
        "EVP"
      ],
      "related": [
        "Audio Phenomena",
        "Disembodied Voice"
      ],
      "versionAdded": "0.1.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "EMF Meter",
      "slug": "emf-meter",
      "definition": "A device used to measure electromagnetic fields or changes in electromagnetic field strength.",
      "tags": [
        "Equipment"
      ],
      "aliases": [
        "Electromagnetic field meter",
        "EMF detector",
        "K-II meter",
        "K2 meter"
      ],
      "related": [
        "Electromagnetic Field",
        "EMF Spike",
        "TriField Meter"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "EMF Spike",
      "slug": "emf-spike",
      "definition": "A sudden or notable increase in an EMF reading during an investigation that may be interpreted as possible evidence of paranormal activity.",
      "tags": [
        "Environmental Factor"
      ],
      "aliases": [
        "Electromagnetic field spike",
        "EMF anomaly",
        "EMF fluctuation"
      ],
      "related": [
        "Electromagnetic Field",
        "Paranormal"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Energy",
      "slug": "energy",
      "definition": "A nonspecific term for a force or essence believed to underlie, accompany, or explain anomalous activity.",
      "tags": [
        "Foundational Concept",
        "Interpretation"
      ],
      "aliases": [
        "Demonic energy",
        "Ka",
        "Life force",
        "Negative energy",
        "Paranormal energy",
        "Residual energy",
        "Spiritual energy"
      ],
      "related": [
        "Anomalous Activity",
        "Aura",
        "Battery Drain",
        "Electromagnetic Field",
        "Paranormal",
        "Supernatural",
        "Temperature Changes"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Environmental Contamination",
      "slug": "environmental-contamination",
      "definition": "An environmental condition or factor that may affect, distort, or inhibit analysis of reported or recorded activity.",
      "tags": [
        "Environmental Factor",
        "Evidence",
        "Natural Explanation",
        "Research"
      ],
      "aliases": [
        "Environmental interference",
        "Noise"
      ],
      "related": [
        "Compromised Evidence"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Estes Method",
      "slug": "estes-method",
      "definition": "A technique in which a listener wearing headphones is isolated from outside visual and auditory cues and speaks words or sounds they hear from an audio-generating device such as a spirit box.",
      "tags": [
        "Audio Phenomenon",
        "Technique"
      ],
      "aliases": [
        "Estes session",
        "Estes technique"
      ],
      "related": [
        "Call and Response",
        "Instrumental Trans-Communication",
        "Sensory Deprivation",
        "Spirit Box"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Exorcism",
      "slug": "exorcism",
      "definition": "A ritual or practice intended to remove, expel, or separate a spirit, entity, or other nonphysical presence from a person, place, or object.",
      "tags": [
        "Entity-Related",
        "Practice"
      ],
      "aliases": [
        "Deliverance",
        "Exorcism ritual",
        "Spiritual cleansing"
      ],
      "related": [
        "Attachment",
        "Demon",
        "Malevolent",
        "Possession",
        "Spirit"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "False Awakening",
      "slug": "false-awakening",
      "definition": "A scenario in which a person believes they have awakened, often in a familiar setting, before later realizing they were still asleep; unusual events during the experience may be interpreted as paranormal activity.",
      "tags": [
        "Natural Explanation",
        "Perceptual Factor",
        "Personal Experience"
      ],
      "aliases": [
        "False awakening dream"
      ],
      "related": [
        "Personal Experience",
        "Sleep Paralysis"
      ],
      "versionAdded": "0.7.0",
      "versionUpdated": "0.7.0"
    },
    {
      "term": "False Positive",
      "slug": "false-positive",
      "definition": "Evidence that appears to indicate anomalous activity but is later explained by ordinary causes.",
      "tags": [
        "Natural Explanation",
        "Research"
      ],
      "aliases": [
        "False alarm",
        "Misidentified anomaly"
      ],
      "related": [
        "Anomalous Activity",
        "Auditory Illusion",
        "Compromised Evidence",
        "Debunking",
        "Environmental Contamination",
        "Pareidolia"
      ],
      "versionAdded": "0.5.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Footsteps",
      "slug": "footsteps",
      "definition": "Footstep-like sounds heard or recorded without an apparent source.",
      "tags": [
        "Audio Phenomenon",
        "Physical Phenomenon"
      ],
      "aliases": [
        "Footstep sounds",
        "Steps",
        "Unexplained footsteps",
        "Walking sounds"
      ],
      "related": [
        "Anomalous Activity",
        "Audio Phenomena",
        "Knocking"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Ghost",
      "slug": "ghost",
      "definition": "A common term for unexplained activity interpreted as involving a person, animal, object, place, or presence that is not ordinarily observable.",
      "tags": [
        "Entity Term",
        "Foundational Concept"
      ],
      "aliases": [
        "Haint",
        "Phantom",
        "Presence",
        "Specter",
        "Wraith"
      ],
      "related": [
        "Apparition",
        "Paranormal",
        "Shadow People",
        "Spirit"
      ],
      "versionAdded": "0.1.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Gravity Hill",
      "slug": "gravity-hill",
      "definition": "A location where the surrounding landscape creates the visual impression that a slight downhill slope is uphill, making vehicles or objects appear to roll against gravity; these sites are sometimes associated with ghost stories or mistaken for paranormal activity.",
      "tags": [
        "Environmental Factor",
        "Natural Explanation",
        "Perceptual Factor"
      ],
      "aliases": [
        "Ghost hill",
        "Magnetic hill",
        "Mystery hill",
        "Mystery spot"
      ],
      "related": [
        "Anomalous Activity",
        "Debunking",
        "Environmental Contamination",
        "False Positive"
      ],
      "versionAdded": "0.7.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Haunting",
      "slug": "haunting",
      "definition": "A pattern of unexplained activity associated with a person, place, or object.",
      "tags": [
        "Category",
        "Foundational Concept"
      ],
      "aliases": [
        "Haunt",
        "Haunted activity",
        "Haunted house"
      ],
      "related": [
        "Anomalous Activity",
        "Ghost",
        "Paranormal",
        "Supernatural"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.3"
    },
    {
      "term": "Hypnagogia",
      "slug": "hypnagogia",
      "definition": "A transitional state between wakefulness and sleep in which vivid sensory experiences, imagery, sounds, or feelings may occur and sometimes be interpreted as paranormal activity.",
      "tags": [
        "Natural Explanation",
        "Perceptual Factor",
        "Personal Experience"
      ],
      "aliases": [
        "Hypnagogic experience",
        "Hypnagogic hallucination",
        "Hypnagogic state"
      ],
      "related": [
        "False Awakening",
        "Personal Experience",
        "Sleep Paralysis"
      ],
      "versionAdded": "0.7.0",
      "versionUpdated": "0.7.0"
    },
    {
      "term": "Imitative Sounds",
      "slug": "imitative-sounds",
      "definition": "Sounds heard or recorded that resemble familiar object-based sounds, such as doors closing or furniture moving, when the associated objects are not present or cannot be identified.",
      "tags": [
        "Audio Phenomenon"
      ],
      "aliases": [
        "Imitative noises",
        "Object sounds"
      ],
      "related": [
        "Audio Phenomena",
        "Environmental Contamination",
        "Poltergeist"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Imprint",
      "slug": "imprint",
      "definition": "The idea that energy, emotion, activity, or significant events can linger in a place, environment, object, or person and later be experienced as anomalous or paranormal activity.",
      "tags": [
        "Foundational Concept",
        "Interpretation"
      ],
      "aliases": [
        "Energy imprint",
        "Psychic echo",
        "Psychic imprint"
      ],
      "related": [
        "Energy",
        "Haunting",
        "Recurrent Activity"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Infrared Camera",
      "slug": "infrared-camera",
      "definition": "A camera that records infrared light, used to document visual information outside normal visible-light conditions.",
      "tags": [
        "Equipment",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Infrared video camera",
        "IR camera",
        "Night vision camera"
      ],
      "related": [
        "Data Logger",
        "Visual Phenomena"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Infrasound",
      "slug": "infrasound",
      "definition": "Sound below the usual lower limit of human hearing that can cause physical symptoms, including discomfort, unease, or vibration.",
      "tags": [
        "Audio Phenomenon",
        "Environmental Factor",
        "Natural Explanation"
      ],
      "aliases": [
        "Low-frequency sound",
        "Sub-audible sound"
      ],
      "related": [
        "Audio Phenomena",
        "Paranormal"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Instrumental Trans-Communication",
      "slug": "instrumental-trans-communication",
      "definition": "The use of devices, usually electronic, to attempt communication in the context of paranormal activity.",
      "tags": [
        "Entity-Related",
        "Technique"
      ],
      "aliases": [
        "Instrumental transcommunication",
        "ITC"
      ],
      "related": [
        "Electronic Voice Phenomenon",
        "Spirit Box",
        "Word Generator"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Intelligent Activity",
      "slug": "intelligent-activity",
      "definition": "Unexplained activity interpreted as showing awareness, intention, or purposeful behavior.",
      "tags": [
        "Category",
        "Entity-Related",
        "Foundational Concept",
        "Interpretation"
      ],
      "aliases": [
        "Intelligent haunting",
        "Interactive activity"
      ],
      "related": [
        "Ghost",
        "Paranormal",
        "Spirit",
        "Supernatural"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.3"
    },
    {
      "term": "Kinetic Phenomena",
      "slug": "kinetic-phenomena",
      "definition": "A category of phenomena involving apparent movement, force, vibration, or disturbance of physical objects.",
      "tags": [
        "Category",
        "Physical Phenomenon"
      ],
      "aliases": [
        "Kinetic activity",
        "Movement",
        "Vibrations"
      ],
      "related": [
        "Physical Phenomena",
        "Poltergeist"
      ],
      "versionAdded": "0.8.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Knocking",
      "slug": "knocking",
      "definition": "Knocks, taps, bangs, or similar impact-like sounds that are heard or recorded without an apparent source.",
      "tags": [
        "Audio Phenomenon",
        "Physical Phenomenon"
      ],
      "aliases": [
        "Bangs",
        "Knocks",
        "Rapping",
        "Raps",
        "Taps"
      ],
      "related": [
        "Anomalous Activity",
        "Audio Phenomena",
        "Footsteps",
        "Poltergeist"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Laser Grid",
      "slug": "laser-grid",
      "definition": "A projected pattern of laser points or lines, or the device that produces it, used as a visible reference for detecting movement or visual disturbances.",
      "tags": [
        "Equipment",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Laser grid pen",
        "Laser grid projector",
        "Laser matrix",
        "Light grid"
      ],
      "related": [
        "Baseline Reading",
        "Cat Balls",
        "Infrared Camera",
        "SLS Camera",
        "Visual Phenomena"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Legend Tripping",
      "slug": "legend-tripping",
      "definition": "A practice in which people visit a site associated with a legend, ghost story, or reported paranormal activity, often at night and as a dare, ritual, or rite of passage.",
      "tags": [
        "Practice"
      ],
      "aliases": [
        "Legend quest",
        "Legend trip"
      ],
      "related": [
        "Haunting",
        "Paranormal Tourism",
        "Paranormal Tours"
      ],
      "versionAdded": "0.10.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Lost Time",
      "slug": "lost-time",
      "definition": "An experience in which a person perceives that an unexplained gap, delay, or discontinuity occurred in their awareness or memory.",
      "tags": [
        "Perceptual Factor",
        "Personal Experience"
      ],
      "aliases": [
        "Missing time",
        "Time loss"
      ],
      "related": [
        "Personal Experience"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Malevolent",
      "slug": "malevolent",
      "definition": "Describes reported activity or presence perceived as harmful, threatening, hostile, or negative in intent.",
      "tags": [
        "Entity-Related",
        "Interpretation"
      ],
      "aliases": [
        "Evil spirit",
        "Harmful",
        "Hostile",
        "Malicious",
        "Negative",
        "Threatening"
      ],
      "related": [
        "Benevolent",
        "Demon",
        "Exorcism",
        "Haunting",
        "Intelligent Activity",
        "Possession",
        "Scratches",
        "Spirit"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.8.0"
    },
    {
      "term": "Manifestation",
      "slug": "manifestation",
      "definition": "A perceived expression of anomalous or paranormal activity, including sensory, environmental, visual, audio, or physical phenomena.",
      "tags": [
        "Category",
        "Foundational Concept"
      ],
      "aliases": [
        "Paranormal manifestation"
      ],
      "related": [
        "Audio Phenomena",
        "Materialization",
        "Phantom Smells",
        "Temperature Changes",
        "Visual Phenomena"
      ],
      "versionAdded": "0.8.0",
      "versionUpdated": "0.8.0"
    },
    {
      "term": "Mass Psychogenic Illness",
      "slug": "mass-psychogenic-illness",
      "definition": "A condition in which physical symptoms, sensations, or perceptions spread among members of a group through social or psychological influence rather than an identified physical cause, sometimes offered as an explanation for collective experiences.",
      "tags": [
        "Natural Explanation",
        "Perceptual Factor"
      ],
      "aliases": [
        "Collective hysteria",
        "Epidemic hysteria",
        "Mass delusion",
        "Mass hallucination",
        "Mass hysteria",
        "Mass sociogenic illness",
        "MPI"
      ],
      "related": [
        "Collective Experience",
        "Physiological Phenomena",
        "Suggestibility"
      ],
      "versionAdded": "0.10.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Materialization",
      "slug": "materialization",
      "definition": "A manifestation in which a person, figure, object, substance, or physical form is perceived as appearing or becoming visible.",
      "tags": [
        "Physical Phenomenon",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Physical manifestation"
      ],
      "related": [
        "Apparition",
        "Apport",
        "Manifestation",
        "Physical Phenomena",
        "Visual Phenomena"
      ],
      "versionAdded": "0.8.0",
      "versionUpdated": "0.8.0"
    },
    {
      "term": "Mimicking",
      "slug": "mimicking",
      "definition": "A phenomenon in which a voice, sound, or noise is perceived as resembling a specific person, animal, object, or source that is not present or cannot be identified.",
      "tags": [
        "Audio Phenomenon",
        "Interpretation"
      ],
      "aliases": [
        "Mimic",
        "Mimicry",
        "Voice mimicking"
      ],
      "related": [
        "Audio Phenomena",
        "Disembodied Voice",
        "Electronic Voice Phenomenon",
        "Imitative Sounds",
        "Poltergeist",
        "Whispers"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Mists",
      "slug": "mists",
      "definition": "Visible haze, vapor, smoke, fog-like forms, or clouded areas witnessed in person or seen in images.",
      "tags": [
        "Environmental Factor",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Ecto-mist",
        "Haze",
        "Mist",
        "Vapor"
      ],
      "related": [
        "Apparition",
        "Orbs",
        "Pareidolia",
        "Visual Phenomena"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Nonhuman Presence",
      "slug": "nonhuman-presence",
      "definition": "A presence believed or interpreted as spiritual, nonphysical, or entity-like without being identified as formerly human.",
      "tags": [
        "Entity Term",
        "Interpretation"
      ],
      "aliases": [
        "Inhuman presence",
        "Inhuman spirit",
        "Non-human spirit",
        "Nonhuman spirit"
      ],
      "related": [
        "Demon",
        "Shadow People",
        "Spirit",
        "Supernatural"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Orbs",
      "slug": "orbs",
      "definition": "Circular or spherical forms, usually light-emitting and sometimes dark, seen in photographs, video, or direct observation.",
      "tags": [
        "Environmental Factor",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Light anomaly",
        "Light sphere",
        "Orb"
      ],
      "related": [
        "Mists",
        "Paranormal",
        "Pareidolia",
        "Visual Phenomena"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Ouija",
      "slug": "ouija",
      "definition": "A board or similar surface marked with letters, numbers, and other indicators, used with a planchette or pointer in attempts to receive messages or responses.",
      "tags": [
        "Entity-Related",
        "Equipment",
        "Practice"
      ],
      "aliases": [
        "Message board",
        "Ouija board",
        "Spirit board",
        "Talking board"
      ],
      "related": [
        "Instrumental Trans-Communication",
        "Psychography",
        "Spirit Box"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Paranormal",
      "slug": "paranormal",
      "definition": "A broad term for something that appears to fall outside ordinary explanation based on the information currently available.",
      "tags": [
        "Foundational Concept"
      ],
      "aliases": [
        "Paranormal claim"
      ],
      "related": [
        "Electromagnetic Field",
        "Ghost",
        "Parapsychology",
        "Pareidolia",
        "Temperature Changes"
      ],
      "versionAdded": "0.1.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Paranormal Entertainment",
      "slug": "paranormal-entertainment",
      "definition": "Media, events, performances, or commercial content centered on paranormal or haunted subjects for entertainment purposes.",
      "tags": [
        "Practice"
      ],
      "aliases": [
        "Paranormal entertainment industry",
        "Paranormal media"
      ],
      "related": [
        "Paranormal",
        "Paranormal Tourism",
        "Paranormal Tours"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Paranormal Tourism",
      "slug": "paranormal-tourism",
      "definition": "Travel, visitation, or public interest associated with places known, believed, or promoted as having paranormal or haunted significance.",
      "tags": [
        "Practice"
      ],
      "aliases": [
        "Ghost tourism",
        "Haunted tourism"
      ],
      "related": [
        "Ghost",
        "Haunting",
        "Paranormal",
        "Paranormal Tours"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Paranormal Tours",
      "slug": "paranormal-tours",
      "definition": "Organized visits or guided experiences centered on places presented as paranormal, haunted, or historically associated with unusual activity.",
      "tags": [
        "Practice"
      ],
      "aliases": [
        "Ghost tours",
        "Haunted tours"
      ],
      "related": [
        "Haunting",
        "Paranormal Entertainment",
        "Paranormal Tourism"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Parapsychology",
      "slug": "parapsychology",
      "definition": "The study of claimed psi-related experiences and abilities, such as telepathy, clairvoyance, precognition, psychokinesis, and survival-related claims.",
      "tags": [
        "Research"
      ],
      "aliases": [
        "Psi research",
        "Psychical research"
      ],
      "related": [
        "Paranormal",
        "Spirit"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Pareidolia",
      "slug": "pareidolia",
      "definition": "The perception of meaningful patterns, faces, figures, words, or voices in ambiguous or random sensory information.",
      "tags": [
        "Audio Phenomenon",
        "Natural Explanation",
        "Perceptual Factor"
      ],
      "aliases": [
        "Matrixing",
        "Pattern perception"
      ],
      "related": [
        "Apparition",
        "Mists",
        "Orbs",
        "Paranormal",
        "Shadow People"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Personal Experience",
      "slug": "personal-experience",
      "definition": "A firsthand account of an event directly experienced by an individual, typically without corroborating evidence.",
      "tags": [
        "Evidence",
        "Witness Account"
      ],
      "aliases": [
        "Firsthand account",
        "Personal account",
        "Witness account"
      ],
      "related": [
        "Anomalous Activity",
        "Corroboration"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Phantom Smells",
      "slug": "phantom-smells",
      "definition": "Odors perceived without an apparent source, commonly including smoke, perfume, or other distinctive smells.",
      "tags": [
        "Environmental Factor",
        "Perceptual Factor",
        "Personal Experience"
      ],
      "aliases": [
        "Clairolfaction",
        "Olfactory hallucination",
        "Phantom odors",
        "Phantosmia",
        "Unexplained smells"
      ],
      "related": [
        "Anomalous Activity",
        "Environmental Contamination",
        "Haunting",
        "Personal Experience",
        "Physical Phenomena"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Physical Phenomena",
      "slug": "physical-phenomena",
      "definition": "A category of phenomena involving changes in physical objects, substances, or environmental conditions, such as movement, marks, odors, or temperature shifts.",
      "tags": [
        "Category",
        "Physical Phenomenon"
      ],
      "aliases": [
        "Physical activity",
        "Physical effects"
      ],
      "related": [
        "Apport",
        "Asport",
        "Battery Drain",
        "Ectoplasm",
        "Kinetic Phenomena",
        "Materialization",
        "Phantom Smells",
        "Poltergeist",
        "Temperature Changes"
      ],
      "versionAdded": "0.8.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Physiological Phenomena",
      "slug": "physiological-phenomena",
      "definition": "A category of phenomena involving physical sensations or symptoms interpreted as paranormal in origin, such as headaches, dizziness, chills, goosebumps, nausea, pressure, or fatigue.",
      "tags": [
        "Category",
        "Perceptual Factor",
        "Personal Experience"
      ],
      "aliases": [
        "Bodily sensations",
        "Dizziness",
        "Goosebumps",
        "Physical symptoms",
        "Physiological responses",
        "Somatic responses"
      ],
      "related": [
        "Electromagnetic Field",
        "Environmental Contamination",
        "Infrasound",
        "Personal Experience",
        "Suggestibility",
        "Temperature Changes"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Poltergeist",
      "slug": "poltergeist",
      "definition": "A type of anomalous activity commonly associated with physical disturbances such as object movement, knocking or banging sounds, or other physical events.",
      "tags": [
        "Audio Phenomenon",
        "Category",
        "Physical Phenomenon"
      ],
      "aliases": [
        "Noisy spirit",
        "Poltergeist activity"
      ],
      "related": [
        "Anomalous Activity",
        "Haunting",
        "Kinetic Phenomena",
        "Knocking",
        "Physical Phenomena"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.8.0"
    },
    {
      "term": "Portal",
      "slug": "portal",
      "definition": "The idea that a place or location can act as a passage or access point for paranormal activity, spirits, entities, or other nonphysical presences.",
      "tags": [
        "Entity-Related",
        "Interpretation"
      ],
      "aliases": [
        "Doorway",
        "Gateway",
        "Paranormal portal",
        "Spiritual portal"
      ],
      "related": [
        "Haunting",
        "Spirit",
        "Supernatural"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Possession",
      "slug": "possession",
      "definition": "A state in which a person is believed or interpreted as influenced, controlled, or inhabited by a spirit, entity, or other nonphysical presence.",
      "tags": [
        "Entity-Related",
        "Interpretation"
      ],
      "aliases": [
        "Entity possession",
        "Possessed",
        "Spirit possession"
      ],
      "related": [
        "Anomalous Activity",
        "Attachment",
        "Demon",
        "Exorcism",
        "Malevolent",
        "Spirit"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Provoking",
      "slug": "provoking",
      "definition": "A technique that uses confrontational, challenging, or emotionally charged statements in an attempt to elicit a response.",
      "tags": [
        "Technique"
      ],
      "aliases": [
        "Provocation",
        "Provoking method"
      ],
      "related": [
        "Anomalous Activity",
        "Call and Response",
        "Disembodied Voice",
        "Electronic Voice Phenomenon",
        "Intelligent Activity"
      ],
      "versionAdded": "0.5.0",
      "versionUpdated": "0.7.4"
    },
    {
      "term": "Psychography",
      "slug": "psychography",
      "definition": "Writing or written marks produced while a person holds a pen, pencil, marker, or other writing instrument and reports that they are not consciously moving it.",
      "tags": [
        "Entity-Related",
        "Physical Phenomenon",
        "Practice"
      ],
      "aliases": [
        "Automatic writing",
        "Spirit writing"
      ],
      "related": [
        "Instrumental Trans-Communication",
        "Ouija",
        "Spirit"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Recurrent Activity",
      "slug": "recurrent-activity",
      "definition": "Unexplained activity that appears to repeat in a similar way over time without apparent awareness, intention, or purposeful behavior.",
      "tags": [
        "Category",
        "Foundational Concept",
        "Interpretation"
      ],
      "aliases": [
        "Residual activity",
        "Residual haunting"
      ],
      "related": [
        "Intelligent Activity",
        "Paranormal",
        "Supernatural"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.3"
    },
    {
      "term": "REM Pod",
      "slug": "rem-pod",
      "definition": "A device that emits an electromagnetic field from its antenna and detects changes to that field, often producing lights or sounds when changes are detected.",
      "tags": [
        "Equipment"
      ],
      "aliases": [
        "Radiating electromagneticity pod",
        "REM pod device",
        "REM-Pod"
      ],
      "related": [
        "Baseline Reading",
        "Electromagnetic Field",
        "EMF Meter",
        "EMF Spike"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Scratches",
      "slug": "scratches",
      "definition": "Marks or welts appearing on the skin without an apparent cause, sometimes interpreted as evidence of paranormal activity.",
      "tags": [
        "Evidence",
        "Physical Phenomenon"
      ],
      "aliases": [
        "Scratch marks",
        "Skin marks",
        "Unexplained scratches"
      ],
      "related": [
        "Anomalous Activity",
        "False Positive",
        "Malevolent",
        "Personal Experience"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Sensory Conflict",
      "slug": "sensory-conflict",
      "definition": "A condition in which conflicting sensory cues, such as uneven floors, sloped surfaces, low ceilings, visual distortion, or unusual spatial layout, may cause physical sensations and/or emotional responses.",
      "tags": [
        "Natural Explanation",
        "Perceptual Factor"
      ],
      "aliases": [
        "Balance disturbance",
        "Disorientation",
        "Spatial disorientation"
      ],
      "related": [
        "Environmental Contamination",
        "Gravity Hill",
        "Personal Experience",
        "Physiological Phenomena",
        "Suggestibility"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Sensory Deprivation",
      "slug": "sensory-deprivation",
      "definition": "A technique that limits sensory input, commonly sight and/or hearing, in an attempt to reduce outside awareness and increase focus on selected sensations, impressions, or perceptions.",
      "tags": [
        "Perceptual Factor",
        "Technique"
      ],
      "aliases": [
        "Audio deprivation",
        "Sensory isolation",
        "Visual deprivation"
      ],
      "related": [
        "Call and Response",
        "Estes Method",
        "Instrumental Trans-Communication",
        "Spirit Box"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Shadow People",
      "slug": "shadow-people",
      "definition": "A common term for dark, shadow-like figures perceived as human-shaped or presence-like, commonly lacking clear features or seen briefly, peripherally, or under low-light conditions.",
      "tags": [
        "Entity Term",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Shadow being",
        "Shadow figure",
        "Shadow person"
      ],
      "related": [
        "Apparition",
        "Ghost",
        "Pareidolia",
        "Spirit",
        "Visual Phenomena"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.7.3"
    },
    {
      "term": "Sleep Paralysis",
      "slug": "sleep-paralysis",
      "definition": "A temporary state near sleep or waking in which a person is aware but unable to move, sometimes accompanied by vivid dreamlike perceptions that may be interpreted as paranormal activity.",
      "tags": [
        "Natural Explanation",
        "Perceptual Factor",
        "Personal Experience"
      ],
      "aliases": [
        "Dreaming while awake",
        "Waking dream"
      ],
      "related": [
        "Apparition",
        "Auditory Illusion",
        "Personal Experience",
        "Suggestibility"
      ],
      "versionAdded": "0.7.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "SLS Camera",
      "slug": "sls-camera",
      "definition": "A camera system that uses projected infrared light points and software to interpret human-shaped forms, often displaying them as stick figures.",
      "tags": [
        "Equipment",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Kinect camera",
        "Stick figure camera",
        "Structured light camera",
        "Structured light sensor camera"
      ],
      "related": [
        "Infrared Camera",
        "Laser Grid",
        "Pareidolia",
        "Visual Phenomena"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Spirit",
      "slug": "spirit",
      "definition": "A presence believed or interpreted as nonphysical and as continuing after physical life.",
      "tags": [
        "Entity Term",
        "Foundational Concept"
      ],
      "aliases": [
        "Discarnate",
        "Entity",
        "Presence"
      ],
      "related": [
        "Apparition",
        "Ghost",
        "Parapsychology",
        "Shadow People"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Spirit Box",
      "slug": "spirit-box",
      "definition": "A device that rapidly scans radio frequencies or audio channels to generate sounds that may be interpreted as communication or other anomalous content.",
      "tags": [
        "Audio Phenomenon",
        "Entity-Related",
        "Equipment"
      ],
      "aliases": [
        "Broken radio",
        "Frank's Box",
        "Ghost box",
        "Radio sweep"
      ],
      "related": [
        "Audio Phenomena",
        "Compromised Evidence",
        "Electronic Voice Phenomenon",
        "Estes Method",
        "Instrumental Trans-Communication",
        "Word Generator"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.9.0"
    },
    {
      "term": "Suggestibility",
      "slug": "suggestibility",
      "definition": "The tendency for expectations or context to influence perception or interpretation.",
      "tags": [
        "Natural Explanation",
        "Perceptual Factor"
      ],
      "aliases": [
        "Affectability",
        "Expectation effect",
        "Influenceable",
        "Suggestion"
      ],
      "related": [
        "Apophenia",
        "Auditory Illusion",
        "Pareidolia",
        "Personal Experience"
      ],
      "versionAdded": "0.6.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Supernatural",
      "slug": "supernatural",
      "definition": "A broad term for phenomena interpreted as existing beyond the known laws of nature or not fully explained by them.",
      "tags": [
        "Foundational Concept"
      ],
      "aliases": [
        "Supernatural claim"
      ],
      "related": [
        "Ghost",
        "Paranormal",
        "Spirit"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Temperature Changes",
      "slug": "temperature-changes",
      "definition": "Reported or measured shifts in ambient temperature, surface temperature, or perceived heat or cold, commonly referred to as cold spots or hot spots.",
      "tags": [
        "Environmental Factor"
      ],
      "aliases": [
        "Cold spots",
        "Hot spots",
        "Temperature anomaly",
        "Thermal"
      ],
      "related": [
        "Electromagnetic Field",
        "Paranormal",
        "Physical Phenomena"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.8.0"
    },
    {
      "term": "Thermal Camera",
      "slug": "thermal-camera",
      "definition": "A camera that detects infrared radiation and displays or records temperature differences as an image.",
      "tags": [
        "Equipment"
      ],
      "aliases": [
        "FLIR camera",
        "Thermal imager",
        "Thermal imaging camera"
      ],
      "related": [
        "Ambient Temperature Deviation Detection",
        "Data Logger",
        "Infrared Camera",
        "Temperature Changes"
      ],
      "versionAdded": "0.4.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Time Slip",
      "slug": "time-slip",
      "definition": "An experience in which a person perceives their surroundings as briefly belonging to a different time period or era.",
      "tags": [
        "Perceptual Factor",
        "Personal Experience"
      ],
      "aliases": [
        "Time displacement",
        "Timeslip"
      ],
      "related": [
        "Lost Time",
        "Personal Experience"
      ],
      "versionAdded": "0.10.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "TriField Meter",
      "slug": "trifield-meter",
      "definition": "A meter commonly used to detect or measure AC magnetic fields, AC electric fields, and RF or microwave signals.",
      "tags": [
        "Equipment"
      ],
      "aliases": [
        "TF2",
        "Tri-field meter",
        "TriField"
      ],
      "related": [
        "Electromagnetic Field",
        "EMF Meter",
        "EMF Spike"
      ],
      "versionAdded": "0.3.0",
      "versionUpdated": "0.10.0"
    },
    {
      "term": "Trigger Object",
      "slug": "trigger-object",
      "definition": "An object used in an attempt to elicit or encourage paranormal activity.",
      "tags": [
        "Equipment"
      ],
      "aliases": [
        "Target object",
        "Trigger item"
      ],
      "related": [
        "Anomalous Activity",
        "Baseline Reading",
        "Intelligent Activity"
      ],
      "versionAdded": "0.5.0",
      "versionUpdated": "0.7.3"
    },
    {
      "term": "Visual Phenomena",
      "slug": "visual-phenomena",
      "definition": "A category of phenomena involving any visual event that is witnessed in person or documented in images or video.",
      "tags": [
        "Category",
        "Visual Phenomenon"
      ],
      "aliases": [
        "Sight phenomena",
        "Visual phenomenon"
      ],
      "related": [
        "Apparition",
        "Mists",
        "Orbs",
        "Shadow People"
      ],
      "versionAdded": "0.2.0",
      "versionUpdated": "0.7.2"
    },
    {
      "term": "Whispers",
      "slug": "whispers",
      "definition": "Low-volume voice-like or speech-like sounds heard or recorded without an apparent source.",
      "tags": [
        "Audio Phenomenon"
      ],
      "aliases": [
        "Low voice",
        "Whispering"
      ],
      "related": [
        "Audio Phenomena",
        "Disembodied Voice",
        "Electronic Voice Phenomenon"
      ],
      "versionAdded": "0.1.0",
      "versionUpdated": "0.7.3"
    },
    {
      "term": "Word Generator",
      "slug": "word-generator",
      "definition": "A device or application that selects words, sounds, or phrases from a precompiled list and produces or displays them for review as potentially meaningful output.",
      "tags": [
        "Audio Phenomenon",
        "Entity-Related",
        "Equipment"
      ],
      "aliases": [
        "Alice Box",
        "Ovilus",
        "Word bank"
      ],
      "related": [
        "Audio Phenomena",
        "Instrumental Trans-Communication",
        "Spirit Box"
      ],
      "versionAdded": "0.9.0",
      "versionUpdated": "0.9.0"
    }
  ]
}