Long-Term Memory Performance in Adult ADHD: A Meta-Analysis
Abstract
Objective: Memory problems are a frequently reported symptom in adult ADHD, and it is well-documented that adults with ADHD perform poorly on long-term memory tests. However, the cause of this effect is still controversial. The present meta-analysis examined underlying mechanisms that may lead to long-term memory impairments in adult ADHD. Method: We performed separate meta-analyses of measures of memory acquisition and long-term memory using both verbal and visual memory tests. In addition, the influence of potential moderator variables was examined. Results: Adults with ADHD performed significantly worse than controls on verbal but not on visual long-term memory and memory acquisition subtests. The long-term memory deficit was strongly statistically related to the memory acquisition deficit. In contrast, no retrieval problems were observable. Conclusion: Our results suggest that memory deficits in adult ADHD reflect a learning deficit induced at the stage of encoding. Implications for clinical and research settings are presented.
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Long-term memory deficits in ADHD are often ascribed to deviant encoding rather than to problems during consolidation or retrieval.
“Children and adults suffering from ADHD are known to display long-term memory deficits [9,45] which are often ascribed to deviant encoding rather than to problems during consolidation or retrieval [6].”
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- Authors
- Skodzik, T., Holling, H., & Pedersen, A.
- Affiliations
- University of Münster (DE)
- Corresponding author
- Skodzik, Timo
- Venue
- Journal of Attention Disorders
- Publisher
- SAGE Publications
- Published
- 2016-07-28
- Volume
- 21
- Issue
- 4
- Pages
- 267-283
- ISSN
- 1087-0547 (ISSN-L)
- 1557-1246
- OpenAlex
- W2008845997
- Cited by
- 120
- References
- 89
- Citations by year
- 2026: 7 · 2025: 23 · 2024: 11 · 2023: 20 · 2022: 10 · 2021: 11 · 2020: 7 · 2019: 9 · 2018: 10 · 2017: 2 · 2016: 2 · 2015: 6 · 2014: 1 · 2013: 1
- FWCI
- 2.36
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Attention Disorders (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
- Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Developmental and Educational Neuropsychology
- Keywords
- adult ADHD, long-term memory, memory acquisition, verbal memory, visual memory, memory encoding, learning deficits, memory retrieval
- MeSH terms
- Self-Control, Adult, Attention Deficit Disorder with Hyperactivity, Female, Humans, Male, Memory Disorders, Neuropsychological Tests, Executive Function, Memory, Long-Term
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