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Powell, A, Sumnall, H, Smith, J, Kuiper, R and Montgomery, C (2024) Recovery of neuropsychological function following abstinence from alcohol in adults diagnosed with an alcohol use disorder: Systematic review of longitudinal studies. PLoS One, 19 (1). pp. 1-29. ISSN 1932-6203
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Recovery of neuropsychological function following abstinence from alcohol in adults diagnosed with an alcohl use disorder.pdf - Published Version Available under License Creative Commons Attribution. Download (1MB) | Preview |
Abstract
Background Alcohol use disorders (AUD) associate with structural and functional brain differences, including impairments in neuropsychological function; however, reviews (mostly cross-sectional) are inconsistent with regards to recovery of such functions following abstinence. Recovery is important, as these impairments associate with treatment outcomes and quality of life.Objective(s) To assess neuropsychological function recovery following abstinence in individuals with a clinical AUD diagnosis. The secondary objective was to assess predictors of neuropsychological recovery in AUD. Methods Following the preregistered protocol (PROSPERO: CRD42022308686), APA PsycInfo, EBSCO MEDLINE, CINAHL, and Web of Science Core Collection were searched between 1999–2022. Study reporting follows the Joanna Briggs Institute (JBI) Manual for Evidence Synthesis, study quality was assessed using the JBI Checklist for Cohort Studies. Eligible studies were those with a longitudinal design that assessed neuropsychological recovery following abstinence from alcohol in adults with a clinical diagnosis of AUD. Studies were excluded if participant group was defined by another or co-morbid condition/injury, or by relapse. Recovery was defined as function reaching ‘normal’ performance. Results Sixteen studies (AUD n = 783, controls n = 390) were selected for narrative synthesis. Most functions demonstrated recovery within 6–12 months, including sub-domains within attention, executive function, perception, and memory, though basic processing speed and working memory updating/tracking recovered earlier. Additionally, verbal fluency was not impaired at baseline (while verbal function was not assessed compared to normal levels), and concept formation and reasoning recovery was inconsistent. Conclusions These results provide evidence that recovery of most functions is possible. While overall robustness of results was good, methodological limitations included lack of control groups, additional methods to self-report to confirm abstinence, description/control for attrition, statistical control of confounds, and of long enough study durations to capture change.
| Item Type: | Article |
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| Uncontrolled Keywords: | General Science & Technology |
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine |
| Divisions: | Psychology (from Sep 2019) Public Health Institute |
| Publisher: | Public Library of Science |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 05 Jan 2024 12:27 |
| Last Modified: | 05 Jan 2024 12:30 |
| DOI or ID number: | 10.1371/journal.pone.0296043 |
| Editors: | Manippa, V |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/22204 |
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