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- Title
The Effects of Structural Complexity on Age-Related Deficits in Implicit Probabilistic Sequence Learning.
- Authors
Stillman, Chelsea M.; Howard Jr., James H.; Howard, Darlene V.
- Abstract
Objective: The primary objective was to determine whether age deficits in implicit sequence learning occur not only for second-order probabilistic regularities (event n - 2 predicts n), as reported earlier, but also for first-order regularities (event w - 1 predicts event n). A secondary goal was to determine whether age differences in learning vary with level of structure. Method: Younger and older adults completed a nonmotor sequence learning task containing either a first- or second-order structure. Learning scores were calculated for each subject and compared to address our research objectives. Results: Age deficits in implicit learning emerged not only for second-order probabilistic structure, but also for simple, first-order structure. In addition, age differences did not vary significantly with structure; both first and second order yielded similar age deficits. Discussion: These findings are consistent with the view that there is an associative binding deficit in aging and that this deficit occurs for implicit as well as explicit learning and across simple and more complex sequence structures.
- Subjects
WASHINGTON (D.C.); AGE distribution; ANALYSIS of variance; LEARNING strategies; NEUROPSYCHOLOGICAL tests; RESEARCH funding; SOCIOECONOMIC factors; UNDERGRADUATES; DATA analysis software; DESCRIPTIVE statistics
- Publication
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2016, Vol 71, Issue 2, p212
- ISSN
1079-5014
- Publication type
Article
- DOI
10.1093/geronb/gbu135