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Adult age differences in short-term memory for serial order: data and a model
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Maylor, Elizabeth A., Vousden, Janet I. and Brown, G. D. A. (Gordon D. A.). (1999) Adult age differences in short-term memory for serial order: data and a model. Psychology and Aging, Vol.14 (No.4). pp. 572-594. ISSN 0882-7974
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Official URL: http://dx.doi.org/10.1037/0882-7974.14.4.572
Abstract
Age-related deficits in short-term memory have been widely reported, but reduced overall scores could reflect increased order errors, increased omissions, or increased intrusions. Different explanations for reduced short-term memory with aging lead to different predictions. Zn this study, young (n = 68; M age = 20 years) and older(n = 99; M age = 65 years) adults were presented with lists of letters and were asked to recall each list immediately in the correct order. Age differences in error patterns were similar for auditory and visual presentation. For example, older adults made more errors of every type, and a greater proportion of the older adults' errors were omissions. An additional condition, in which older adults were encouraged to guess, ruled out an age increase in response threshold as a full explanation for the results. The data were modeled by an oscillator-based computational model of memory for serial order. A good fit to the aging data was achieved by simultaneously altering two parameters that were interpreted as corresponding to frontal decline and response slowing.
| Item Type: | Journal Article |
|---|---|
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology |
| Divisions: | Faculty of Science > Psychology |
| Library of Congress Subject Headings (LCSH): | Short-term memory, Memory -- Age factors , Human information processing -- Age factors |
| Journal or Publication Title: | Psychology and Aging |
| Publisher: | American Psychological Society |
| ISSN: | 0882-7974 |
| Date: | December 1999 |
| Volume: | Vol.14 |
| Number: | No.4 |
| Number of Pages: | 23 |
| Page Range: | pp. 572-594 |
| Identification Number: | 10.1037/0882-7974.14.4.572 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Funder: | Economic and Social Research Council (Great Britain) (ESRC), Medical Research Council (Great Britain) (MRC) |
| Grant number: | G9608199 (MRC), G9606610N (MRC), R000236216 (ESRC) |
| Conference Paper Type: | Paper |
| Title of Event: | 7th Cognitive Aging Conference |
| Type of Event: | Conference |
| Location of Event: | Atlanta, Georgia |
| Date(s) of Event: | April 1998 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/13790 |
Data sourced from Thomson Reuters' Web of Knowledge
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