organic brain syndrome


Also found in: Dictionary, Thesaurus, Legal, Acronyms, Encyclopedia, Wikipedia.

organic

 [or-gan´ik]
1. pertaining to an organ or organs.
2. having an organized structure.
3. arising from an organism.
4. pertaining to substances derived from living organisms.
5. denoting chemical substances containing covalently bonded carbon atoms.
6. pertaining to or cultivated by use of animal or vegetable fertilizers, rather than synthetic chemicals.
organic anxiety syndrome a term used in a former system of classification for an organic mental syndrome characterized by prominent, recurrent panic attacks or generalized anxiety caused by a specific organic factor and not associated with delirium. Such disorders are now mainly classified as substance-induced anxiety disorders and anxiety disorders due to a general medical condition. See also substance-induced disorders.
organic brain syndrome organic mental syndrome.
organic delusional syndrome a term used in a former system of classification, denoting an organic mental syndrome characterized by delusions caused by a specific organic factor and not associated with clouding of consciousness (delirium), intellectual impairment (dementia), or prominent hallucinations (organic hallucinosis). The disorders are now mainly classified as substance-induced psychotic disorders and psychotic disorders due to a general medical condition. See also substance-induced disorders.
organic disease a disease due to or accompanied by structural changes in organs or tissues.
organic mental disorder a term formerly used to denote any mental disorder with a specifically known or presumed organic etiology; now discouraged because of the implication that other disorders do not have an organic basis. The term was sometimes used as a synonym of organic mental syndrome.
organic mental syndrome former term for a constellation of psychological or behavioral signs and symptoms associated with brain dysfunction of unknown or unspecified etiology, grouped according to symptoms (see also organic mental disorder). The designating of certain conditions as having an organic basis, possibly implying that other conditions do not, is currently discouraged.
organic mood syndrome a term used in a former system of classification, denoting an organic mental syndrome characterized by manic or depressive mood disturbance caused by a specific organic factor and not associated with clouding of consciousness (delirium), intellectual impairment (dementia), or prominent delusions or hallucinations (organic delusional syndrome or organic hallucinosis). Such disorders are now mainly classified as substance-induced mood disorders and mood disorders due to a general medical condition. See also substance-induced disorders.
organic personality syndrome former term for an organic mental syndrome characterized by a marked change in behavior or personality, e.g., emotional instability, marked apathy, or impaired impulse control, caused by a specific organic factor and not associated with delirium, prominent mood disturbance, delusions, or hallucinations. Such disorders are now mainly classified on the basis of etiology, such as those that are substance-induced or are due to a general medical condition.

or·gan·ic brain syn·drome (OBS),

a constellation of behavioral or psychological signs and symptoms including problems with attention, concentration, memory, confusion, anxiety, and depression caused by transient or permanent dysfunction of the brain.

organic brain syndrome

n.
Any of various disorders of cognition caused by permanent or temporary brain dysfunction and characterized especially by dementia.

organic brain syndrome

organic brain syndrome

Chronic organic brain syndrome, organic mental disorder Neurology Cerebral degeneration as cortical atrophy with 'simplification' of myelinated tracts, a process that is usually irreversible, often age-related, and associated with atherosclerosis. See Lacunar state, Multi-infarct dementia Psychiatry An alteration in mental status, behavior, or mood attributed to organic disease–eg, alcoholic liver disease–hepatic encephalopathy, infections–AIDS dementia, renal failure–uremia, and others.

or·gan·ic brain syn·drome

(OBS) (ōr-gan'ik brān sin'drōm)
A constellation of behavioral or psychological signs and symptoms including problems with attention, concentration, memory, confusion, anxiety, and depression caused by transient or permanent dysfunction of the brain.

organic brain syndrome

Any psychiatric disorder secondary to brain damage arising from disease or injury. The condition most commonly features irritability, confusion, impaired judgment, deterioration in personal habits, defective intellectual function and DEMENTIA.

or·gan·ic brain syn·drome

(ōr-gan'ik brān sin'drōm)
Constellation of behavioral or psychological signs and symptoms including problems with attention, concentration, memory, confusion, anxiety, and depression caused by transient or permanent dysfunction of the brain.
References in periodicals archive ?
Diagnosis includes organic brain syndrome, bi-point affective disorder, Alzheimer's, age 80.
Symptoms of postpartum psychosis are similar to those of other organic brain syndromes and include extreme confusion, distractibility, and disorientation.