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A cognitive training program based on principles of brain plasticity: results from the improvement in memory with plasticity-based adaptive cognitive training (IMPACT) study
Open accessAbstract
OBJECTIVES: To investigate the efficacy of a novel brain plasticity–based computerized cognitive training program in older adults and to evaluate the effect on untrained measures of memory and attention and participant‐reported outcomes. DESIGN: Multisite randomized controlled double‐blind trial with two treatment groups. SETTING: Communities in northern and southern California and Minnesota. PARTICIPANTS: Community‐dwelling adults aged 65 and older (N=487) without a diagnosis of clinically significant cognitive impairment. INTERVENTION: Participants were randomized to receive a broadly‐available brain plasticity–based computerized cognitive training program (intervention) or a novelty‐ and intensity‐matched general cognitive stimulation program modeling treatment as usual (active control). Duration of training was 1 hour per day, 5 days per week, for 8 weeks, for a total of 40 hours. MEASUREMENTS: The primary outcome was a composite score calculated from six subtests of the Repeatable Battery for the Assessment of Neuropsychological Status that use the auditory modality (RBANS Auditory Memory/Attention). Secondary measures were derived from performance on the experimental program, standardized neuropsychological assessments of memory and attention, and participant‐reported outcomes. RESULTS: RBANS Auditory Memory/Attention improvement was significantly greater ( P =.02) in the experimental group (3.9 points, 95% confidence interval (CI)=2.7–5.1) than in the control group (1.8 points, 95% CI=0.6–3.0). Multiple secondary measures of memory and attention showed significantly greater improvements in the experimental group (word list total score, word list delayed recall, digits backwards, letter–number sequencing; P <.05), as did the participant‐reported outcome measure ( P =.001). No advantage for the experimental group was seen in narrative memory. CONCLUSION: The experimental program improved generalized measures of memory and attention more than an active control program.
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“In the ACT study, the cognitive training intervention involved completing 40 hours of computerized tasks from a commercially-available program that have produced performance gains in older adults [33,65,66].”
From Primary outcome from the augmenting cognitive training in older adults study (ACT): A tDCS and cognitive training randomized clinical trial (2023) · cites this paper as [65]
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Metadata
- Authors
- Smith, G. E., Housen, P., Yaffe, K., Ruff, R., Kennison, R. F., Mahncke, H. W., & Zelinski, E. M.
- Affiliations
- University of Southern California (US)
- Venue
- Journal of the American Geriatrics Society
- Publisher
- Wiley
- Published
- 2009-04
- Volume
- 57
- Issue
- 4
- Pages
- 594-603
- ISSN
- 0002-8614 (ISSN-L)
- 1532-5415
- PMC
- PMC4169294
- OpenAlex
- W1944313983
- Cited by
- 785
- References
- 55
- Citations by year
- 2026: 18 · 2025: 24 · 2024: 23 · 2023: 28 · 2022: 38 · 2021: 43 · 2020: 33 · 2019: 89 · 2018: 48 · 2017: 57 · 2016: 51 · 2015: 73 · 2014: 58 · 2013: 69 · 2012: 49
- FWCI
- 56.18
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Journal of the American Geriatrics Society (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute on Aging (R01AG010569)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Keywords
- cognitive training, neuroplasticity, older adults, memory, attention, impact studies, narrative memory, cognitive stimulation
- MeSH terms
- Aged, California, Cognition, Cognition Disorders, Double-Blind Method, Female, Humans, Male, Memory, Minnesota, Neuronal Plasticity, Neuropsychological Tests, Treatment Outcome
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