No inhibitory deficit in older adults' episodic memory |
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Authors: | Aslan Alp Bäuml Karl-Heinz Pastötter Bernhard |
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Affiliation: | Department of Experimental Psychology, Regensburg University, Regensburg, Germany. |
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Abstract: | Selectively retrieving a subset of previously studied material can cause forgetting of the unpracticed material. Such retrieval-induced forgetting is attributed to an inhibitory mechanism recruited to resolve interference among competing items. According to the inhibition-deficit hypothesis, older people experience a specific decline in inhibitory function and thus should show reduced retrieval-induced forgetting. However, the results of the two experiments reported here show the same amount of retrieval-induced forgetting in younger and older adults. These results indicate that retrieval inhibition is intact in older adults' episodic recall. The findings suggest that the common view of a general inhibitory deficit in older adults needs to be updated and that older adults show intact inhibition in some cognitive tasks and deficient inhibition in others. |
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