A source memory task, using everyday objects in actions performed by either the participant or the experimenter, was given to probable Alzheimer's disease (AD) and elderly normal (EN) individuals. When the overall recognition performance of the two groups was made equivalent by increasing the test delay intervals for the control group, EN and AD participants showed similar patterns of correct and incorrect responses. Moreover, both groups showed evidence of a generation effect and of an advantage for items repeated at study. the findings of this study suggest that, for a given level of event memory, memory for the source of the events is comparable between EN and AD individuals.
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