COGNITIVE IMPAIRMENT DUE TO ALCOHOL ABUSE: CURRENT STATUS OF RESEARCH
DOI:
https://doi.org/10.21638/11701/spbu11.2017.306Abstract
Alcohol abuse causes significant changes in cognitive functioning. These effects are related to the fact that ethanol and acetaldehyde, its first metabolite, affect the the brain’s neurotransmitter systems. Long-term abuse may lead to the dysexecutive syndrome (DES) exhibited through emotional, behavioral and cognitive symptoms. Alcohol has a specific dose-dependent effect on memory that serves as a block of memory consolidation, i.e. transition of the short-term memories to the long-term storage.This effect displays either as reversible amnesias of events from the alcohol abuse period (blackouts), or as an irreversible fixation amnesia within Korsakoff’s syndrome. Refs 34.
Keywords:
alcohol, amnesia, blackouts, dysexecutive syndrome
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