amnestic syndrome(redirected from amnesia syndrome)
characterized by or pertaining to amnesia.
amnestic disorders mental disorders characterized by acquired impairment in the ability to learn and recall new information, sometimes accompanied by inability to recall previously learned information, and not coupled to dementia or delirium. The disorders are subclassified on the basis of etiology as amnestic disorder due to a general medical condition, substance-induced persisting amnestic disorder, and amnestic disorder not otherwise specified.
amnestic syndrome a mental disorder characterized by impairment in short- and long-term memory, with anterograde and sometimes retrograde amnesia, occurring in a normal state of consciousness. Disorientation, confabulation, and a lack of insight into the memory deficit may be present. The most common cause is thiamine deficiency associated with chronic alcohol abuse (alcohol amnestic disorder, korsakoff's syndrome), but the syndrome may result from any pathologic process causing bilateral damage to certain structures in the medial temporal lobe and diencephalon, including head trauma, brain tumors, infarction, cerebral hypoxia, carbon monoxide poisoning, and herpes simplex encephalitis.
1. Synonym(s): Korsakoff syndrome
2. an organic brain syndrome with short-term (but not immediate) memory disturbance, regardless of the etiology.
amnestic syndrome(1) Korsakoff syndrome.
(2) Alcoholic dementia.
(3) A nonspecific term for amnesia of any etiology.
am·nes·tic syn·drome(am-nes'tik sin'drōm)
1. Synonym(s): Korsakoff syndrome.
2. An organic brain syndrome with short-term (but not immediate) memory disturbance, regardless of the etiology.
Korsakoff,(Korsakov), Sergei S., Russian neurologist and psychiatrist, 1853-1900.
Korsakoff psychosis - Synonym(s): Korsakoff syndrome
Korsakoff syndrome - an alcohol amnestic syndrome. Synonym(s): amnestic psychosis; amnestic syndrome; dysmnesic psychosis; Korsakoff psychosis; polyneuritic psychosis
Wernicke-Korsakoff syndrome - see under Wernicke