hypnagogic hallucination

hallucination /hal·lu·ci·na·tion/ (hah-loo″sĭ-na´shun) a sense perception (sight, touch, sound, smell, or taste) that has no basis in external stimulation.hallu´cinativehallu´cinatory

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haptic hallucination  tactile h.

kinesthetic hallucination  a hallucination involving the sense of bodily movement.

somatic hallucination  a hallucination involving the perception of a physical experience with the body.

hypnagogic hallucination  one occurring just at the onset of sleep.

hypnopompic hallucination  one occurring during awakening.

tactile hallucination  one involving the sense of touch.

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hypnagogic hallucination

[hip′nəgoj′ik]

Etymology: Gk, hypnos, sleep, agogos, leading

a vivid image that occurs while falling asleep.

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hallucination [hah-loo″sĭ-na´shun]

a sensory impression (sight, touch, sound, smell, or taste) that has no basis in external stimulation. Hallucinations can have psychologic causes, as in mental illness, or they can result from drugs, alcohol, organic illnesses, such as brain tumor or senility, or exhaustion. When hallucinations have a psychologic origin, they usually represent a disguised form of a repressed conflict. adj. adj hallu´cinative, hallu´cinatory.

auditory hallucination a hallucination of hearing; the most common type.

gustatory hallucination a hallucination of taste.

haptic hallucination tactile hallucination.

hypnagogic hallucination a vivid, dreamlike hallucination occurring at sleep onset.

hypnopompic hallucination a vivid, dreamlike hallucination occurring on awakening.

kinesthetic hallucination a hallucination involving the sense of bodily movement.

olfactory hallucination a hallucination of smell.

somatic hallucination a hallucination involving the perception of a physical experience occurring within the body.

tactile hallucination a hallucination of touch.

visual hallucination a hallucination of sight.