False recognition in younger and older adults: exploring the characteristics of illusory memories.
Roediger and McDermott (1995) demonstrated that when subjects hear a list of associates to a "theme word" that has itself not been presented, they frequently claim to recollect having heard the nonpresented theme word on the study list. In Experiment 1, we found that asking subjects to explain their remember responses, by writing down exactly what they remembered about the item's presentation at study, did not significantly diminish the rate of remember false alarms to nonpresented theme words. We also found that older adults were relatively more susceptible than younger adults to this false-recognition effect. Subjects' explanations suggested that both veridical and illusory memories were predominantly composed of associative information as opposed to sensory and contextual detail. In Experiment 2, we obtained quantitative evidence for this conclusion, using a paradigm in which subjects were asked focused questions about the contents of their recollective experience. Lastly, we found that both younger and older adults recalled more sensory and contextual detail in conjunction with studied items than with nonpresented theme words, although these differences were less pronounced in older adults.
Norman
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Department of Psychology, Harvard University, Cambridge, MA 02138, USA. norman@wjh.harvard.edu
Schacter
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D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D008568:Memory; D008875:Middle Aged