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Effects of Recent Alcohol Consumption Level on Neurocognitive Performance in HIV+ Individuals
Kara R Douglas-Newman1, Rachel V Smith1,2, Mary V Spiers3
1Behavioral Health Service, Crescenz VAMC, 3900 Woodland Ave., Philadelphia, PA 19104.
Cognitive performance in individuals with HIV (human immunodeficiency virus) was not strongly linked to alcohol consumption levels. However, higher recent drinking was associated with poorer visual memory and attention, indicating nuanced effects.
Area of Science:
- Neuroscience
- Infectious Diseases
- Addiction Medicine
Background:
- Individuals with HIV may face heightened risks of alcohol-related cognitive impairment.
- Understanding the relationship between alcohol consumption and cognitive function in this population is crucial.
Purpose of the Study:
- To investigate if higher recent alcohol intake in HIV-positive individuals correlates with diminished cognitive performance.
- Specifically examining effects on executive functioning (EF) and memory.
Main Methods:
- A cognitive test battery was administered to 120 HIV-positive participants who had consumed alcohol recently.
- Cognitive domains assessed included EF, memory, attention, and psychomotor speed.
- The Iowa Gambling Task evaluated decision-making abilities.
Main Results:
- HIV-positive participants exhibited slower psychomotor speed compared to normative data.
- Most cognitive domains showed no significant association with recent alcohol consumption.
- Poorer visual memory and attention were linked to higher recent drinking and alcohol use disorder.
Conclusions:
- Cognitive deficits were observed in HIV-positive drinkers, but alcohol level wasn't the main driver.
- A comprehensive cognitive profile is recommended due to population heterogeneity.
- Further longitudinal research is needed on combined HIV and heavy drinking effects.
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