Abstract
In this study, we evaluated an associative deficit hypothesis. This hypothesis suggests that the deficit seen in the episodic memory performance of older adults is due, in considerable part, to older adults’ difficulty in binding together unrelated components of an episode into a cohesive entity (Naveh-Benjamin, 2000). The study extended the conditions under which older adults show a differential deficit in tests requiring associations among the episode components to situations in which the item and the associative recognition tests are equated on the response mode used and on the amount of information displayed. In addition, we tested the potential role of a decrease in attentional resources in the associative deficit of older adults by comparing their performance to that of younger adults under conditions of reduced attentional resources. The results of the study, which indicate that younger adults under divided attention do not show an associative deficit, are interpreted as indicating that the associative deficit of older adults is due to factors other than depleted attentional resources.
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This research was supported in part by grants from the Ben-Gurion University Faculty of Humanities and Social Sciences and from the Zlotowski Center for the Neurosciences to M.N.-B. Parts of the manuscript were written while the first author was a visiting scientist at the Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto.
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Naveh-Benjamin, M., Guez, J. & Shulman, S. Older adults’ associative deficit in episodic memory: Assessing the role of decline in attentional resources. Psychonomic Bulletin & Review 11, 1067–1073 (2004). https://doi.org/10.3758/BF03196738
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DOI: https://doi.org/10.3758/BF03196738