ArticleBrain sciences2026
Cognitive Functioning in Abstinent Patients with Alcohol Use Disorder: Exploring Evidence for Premature Aging.
Article in Brain sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND/
objectivesChronic alcohol use accelerates biological and cognitive aging, yet it remains unclear how cognitive aging progresses during abstinence in alcohol use disorder (AUD). It is also unknown to what extent this follows models such as accelerated aging or the age-related decline as proposed by the vulnerability hypothesis. This study examined age-related changes and cognitive recovery during abstinence in patients with AUD.
methodsA total of 197 clinically admitted patients, referred for detoxification and extensive neuropsychological examination, were included. Neuropsychological testing was administered in the second and sixth week of admission using well-normed instruments. Using both multi-assessment and cross-sectional data, relationships between age and normed cognitive outcome scores were examined.
resultsAfter six weeks of abstinence, age-related deviations were observed for perceptual reasoning (PRI), verbal comprehension (VCI), and short-term memory (SMI) but not for ten other cognitive indices. During admission, age significantly influenced the change in belonging to a specific recovery category. Each additional year of age reduced the odds of showing no cognitive impairment by 5% and reduced the odds of cognitive recovery by approximately 4%, compared to non-improvers.
conclusionsAge-related influences appear limited to specific cognitive functions and do not follow a uniform or easily interpretable pattern. Perceptual reasoning seems negatively affected after age 60 for participants with six weeks of abstinence. Older participants showed a reduced likelihood of cognitive recovery and a reduced likelihood of having no cognitive problems at all. The findings do not support accelerated aging and are still too weak to be considered evidence for the vulnerability hypothesis. Implications for future research are discussed.
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