hallucination

hallucination is a topic covered in the Taber's Medical Dictionary.

To view the entire topic, please or .

Taber’s Cyclopedic Medical Dictionary 24th Edition Online + App from F.A. Davis and Unbound Medicine. Find 75,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Explore these free sample topics:

-- The first section of this topic is shown below --

(hă-loos-ĭ-nā′shŏn)

To hear audio pronunciation of this topic, purchase a subscription or log in.

[L. hallucinari, to wander in one's mind]
A false perception having no relation to reality and not accounted for by any exterior stimulus. It is a dreamlike or nightmarish perception occurring while awake. It may be visual, esp. in medical illnesses or drug withdrawal syndromes; auditory, esp. in psychoses; tactile; gustatory; or olfactory. Affected patients typically appear confused and agitated and are unable to distinguish between the real and the imaginary.
SEE: delusion; SEE: illusion

-- To view the remaining sections of this topic, please or --

(hă-loos-ĭ-nā′shŏn)

To hear audio pronunciation of this topic, purchase a subscription or log in.

[L. hallucinari, to wander in one's mind]
A false perception having no relation to reality and not accounted for by any exterior stimulus. It is a dreamlike or nightmarish perception occurring while awake. It may be visual, esp. in medical illnesses or drug withdrawal syndromes; auditory, esp. in psychoses; tactile; gustatory; or olfactory. Affected patients typically appear confused and agitated and are unable to distinguish between the real and the imaginary.
SEE: delusion; SEE: illusion

There's more to see -- the rest of this topic is available only to subscribers.