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Published on: January 5, 2018
Cognitive performance in treatment-naïve active alcoholics
1Neurobehavioral Research, Inc., Honolulu, Hawaii 96814, USA.
Alcoholism, Clinical and Experimental Research
|September 24, 2010
Summary
Treatment-naïve alcohol-dependent individuals show intact cognitive function, even outperforming controls in attention. This suggests chronic alcohol use may not significantly impair cognition in those not seeking treatment.
Area of Science:
- Neuroscience
- Psychology
Background:
- Most studies on alcoholic cognitive deficits use treatment samples, which may not represent the broader alcoholic population.
- Treatment-naïve alcohol-dependent (TNAD) individuals differ from treated alcoholics in alcohol use and disease severity.
- Previous research often overlooks cognitive differences between male and female alcohol-dependent individuals.
Purpose of the Study:
- To assess cognitive functions in treatment-naïve alcohol-dependent (TNAD) individuals compared to nonalcoholic controls (NAC).
- To investigate potential differential effects of alcohol dependence on cognitive performance in TNAD men versus women.
Main Methods:
- A comprehensive neuropsychological assessment was performed on 55 TNAD individuals and 55 matched NAC.
- Nine cognitive domains were evaluated: attention, auditory working memory, verbal processing, abstraction/cognitive flexibility, psychomotor function, immediate memory, delayed memory, reaction time, and spatial processing.
Main Results:
- No significant cognitive deficits were observed in TNAD individuals compared to NAC across the nine domains.
- TNAD individuals actually demonstrated superior performance in the attention domain.
- While men outperformed women in spatial processing, no significant group-by-gender interactions were found for any cognitive domain.
Conclusions:
- Treatment-naïve alcohol-dependent individuals exhibit minimal cognitive impairment from chronic heavy alcohol use.
- Cognitive intactness in TNAD individuals contrasts with findings from treated alcoholic samples, likely due to differences in alcohol consumption and other factors.
- Alcohol dependence does not appear to differentially affect cognitive performance in men and women within the TNAD group, suggesting similar cerebral impact severity.
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