Psychiatry

Psychiatry

The practice or science of diagnosing and treating mental disorders

Contributors in Psychiatry

Psychiatry

Negativism is found if, on examination, a patient resists attempts to move him and does opposite to what is asked. It is usually a sign of catatonia. It may progress to (catatonic) rigidity. It is ...

omega sign

Health care; Psychiatry

The omega sign is the occurrence of a fold (like the Greek letter omega, Ω ) in the forehead above the root of the nose produced by the excessive action of the corrugator muscle. It is sometimes seen ...

oneiroid state

Health care; Psychiatry

From Greek oneiros, meaning dream. In the Oneiroid state one feels and behaves as though in a dream.

palilalia

Health care; Psychiatry

Palilalia is characterized by the repetition of a word or phrase ie the subject continues to repeat a word or phrase after once having said. It is a perseveratory phenomenon.

palinacousis

Health care; Psychiatry

Palinacousis refers to a phenomenon in which the subject continues to listen to a word, a syllable or any sound, even after the withdrawal of stimulus. It is a type of perseveration.

palinopsia

Health care; Psychiatry

In palinopsia a visual image persists after the stimulus has gone (similar to an afterimage seen after looking into a bright light).

paraschemazia

Health care; Psychiatry

Paraschemazia is characterized by a distortion of a patient's body image. It can be caused by hallucinogenic drugs such as LSD and mescalin, epileptic auras, and sometimes migraines.