Selective deficits in episodic feeling of knowing in ageing: A novel use of the general knowledge task |
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Authors: | Suzannah M Morson Chris JA Moulin Céline Souchay |
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Institution: | 1. Institute of Psychological Sciences, University of Leeds, Leeds LS2 9JT, United Kingdom;2. LEAD UMR CNRS 5022, Université de Bourgogne, 21065 Dijon, France |
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Abstract: | Failure to recall an item from memory can be accompanied by the subjective experience that the item is known but currently unavailable for report. The feeling of knowing (FOK) task allows measurement of the predictive accuracy of this reflective judgement. Young and older adults were asked to provide answers to general knowledge questions both prior to and after learning, thus measuring both semantic and episodic memory for the items. FOK judgements were made at each stage for all unrecalled responses, providing a measure of predictive accuracy for semantic and episodic knowledge. Results demonstrated a selective effect of age on episodic FOK resolution, with older adults found to have impaired episodic FOK accuracy while semantic FOK accuracy remained intact. Although recall and recognition measures of episodic memory are equivalent between the two age groups, older adults may have been unable to access contextual details on which to base their FOK judgements. The results suggest that older adults are not able to accurately predict future recognition of unrecalled episodic information, and consequently may have difficulties in monitoring recently encoded memories. |
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Keywords: | Metamemory Ageing Feeling of knowing Episodic memory Semantic memory |
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