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  2. Delirium tremens - Wikipedia

    en.wikipedia.org/wiki/Delirium_tremens

    The main symptoms of delirium tremens are nightmares, agitation, global confusion, disorientation, visual and auditory hallucinations, [8] tactile hallucinations, fever, high heart rate, high blood pressure, heavy sweating, and other signs of autonomic hyperactivity. These symptoms may appear suddenly but typically develop two to three days ...

  3. Tactile hallucination - Wikipedia

    en.wikipedia.org/wiki/Tactile_hallucination

    Tactile hallucination is the false perception of tactile sensory input that creates a hallucinatory sensation of physical contact with an imaginary object. [1] It is caused by the faulty integration of the tactile sensory neural signals generated in the spinal cord and the thalamus and sent to the primary somatosensory cortex (SI) and secondary ...

  4. Cenesthopathy - Wikipedia

    en.wikipedia.org/wiki/Cenesthopathy

    Ernest Dupré (1862-1921), French psychiatrist and coiner of the term Cenestopathy alongside Albert Camus. Cenesthopathy (from French: cénestopathie, [1] formed from the Ancient Greek κοινός (koinós) "common", αἴσθησῐς (aísthēsis) "feeling", "perception" + πᾰ́θος (páthos) "feeling, suffering, condition"), also known as coenesthesiopathy, [2] is a rare psychiatric ...

  5. Alcohol withdrawal syndrome - Wikipedia

    en.wikipedia.org/wiki/Alcohol_withdrawal_syndrome

    Alcohol hallucinosis: patients have transient visual, auditory, or tactile hallucinations, but are otherwise clear. [12] Withdrawal seizures: seizures occur within 48 hours of alcohol cessation and occur either as a single generalized tonic-clonic seizure or as a brief episode of multiple seizures. [14]

  6. Hallucinogen persisting perception disorder - Wikipedia

    en.wikipedia.org/wiki/Hallucinogen_persisting...

    Hallucinogen persisting perception disorder (HPPD) is a non-psychotic disorder in which a person experiences apparent lasting or persistent visual hallucinations or perceptual distortions after using drugs, [1] including but not limited to psychedelics, dissociatives, entactogens, tetrahydrocannabinol (THC), and SSRIs.

  7. Category:Hallucinations - Wikipedia

    en.wikipedia.org/wiki/Category:Hallucinations

    Articles relating to hallucinations, perceptions in the absence of an external stimulus that have the qualities of real perceptions. Hallucinations are vivid, substantial, and are perceived to be located in external objective space. Hallucinations are a combination of 2 conscious states of brain wakefulness and REM sleep.

  8. Multistable perception - Wikipedia

    en.wikipedia.org/wiki/Multistable_perception

    Examples of visually ambiguous patterns. From top to bottom: Necker cube, Schroeder stairs and a figure that can be interpreted as black or white arrows. Multistable perception (or bistable perception) is a perceptual phenomenon in which an observer experiences an unpredictable sequence of spontaneous subjective changes.

  9. N,N-Dimethyltryptamine - Wikipedia

    en.wikipedia.org/wiki/N,N-Dimethyltryptamine

    Subjective experiences of DMT includes profound time-dilatory, visual, auditory, tactile, and proprioceptive distortions and hallucinations, and other experiences that, by most firsthand accounts, defy verbal or visual description. [26] Examples include perceiving hyperbolic geometry or seeing Escher-like impossible objects. [27]