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Executive functioning in chronic alcoholism and Korsakoff syndrome
Malini Maharasingam1, Jamie A B Macniven, Oliver J Mason
1North East London NHS Foundation Trust, London, UK.
Journal of Clinical and Experimental Neuropsychology
|May 10, 2013
Summary
Korsakoff syndrome (KS) patients exhibit more severe executive dysfunction than chronic alcoholics. This study highlights significant differences in cognitive impairment between these groups.
Area of Science:
- Neuroscience
- Clinical Psychology
- Neurology
Background:
- Korsakoff syndrome (KS) is a severe memory disorder often linked to chronic alcoholism.
- Executive functioning deficits are common in KS, but direct comparisons with chronic alcoholics are limited.
Purpose of the Study:
- To compare executive functioning between patients with Korsakoff syndrome and chronic alcoholics.
- To investigate the extent of dysexecutive symptoms in KS compared to non-KS alcoholics.
Main Methods:
- A group comparison design was employed.
- 15 KS patients and 16 chronic alcoholic patients were assessed.
- The Behavioural Assessment of the Dysexecutive Syndrome (BADS) and secondary measures were utilized.
Main Results:
- The KS group showed significantly greater overall impairment on the BADS compared to the chronic alcoholic group (p < .05).
- Korsakoff patients demonstrated more pronounced executive dysfunction than non-Korsakoff chronic alcoholics.
Conclusions:
- Korsakoff syndrome is associated with more severe executive functioning deficits than chronic alcoholism alone.
- These findings underscore the distinct impact of KS on cognitive abilities beyond memory impairment.
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