A temporary mental state with a sudden onset, usually reversible, including symptoms of confusion, inability to concentrate, disorientation, anxiety, and sometimes hallucinations. Causes can include dehydration, drug intoxication, and severe infection.
(pathology) A psychiatric diagnosis denoting a persistent, often chronic, mental illness characterised by abnormal perception, thinking, behavior and emotion, often marked by delusions.
A state in which the thoughts, expressions, and actions are wild, irregular, and incoherent; mental aberration; a roving or wandering of the mind, - usually dependent on a fever or some other disease, and so distinguished from mania, or madness.
Any condition in which disparate or mutually exclusive activities coexist; a lack of decision between options.
Strong excitement; wild enthusiasm; madness.
‘The popular delirium [of the French Revolution] at first caught his enthusiastic mind.’; ‘The delirium of the preceding session (of Parliament).’;
any of several psychotic disorders characterized by distortions of reality and disturbances of thought and language and withdrawal from social contact
state of violent mental agitation
Schizophrenia is a mental disorder characterized by continuous or relapsing episodes of psychosis. Major symptoms include hallucinations (typically hearing voices), delusions, and disorganized thinking.
a usually brief state of excitement and mental confusion often accompanied by hallucinations
Delirium, also known as acute confusional state, is an organically caused decline from a previous baseline mental functioning, that develops over a short period of time, typically hours to days. Delirium is a syndrome encompassing disturbances in attention, consciousness, and cognition.