| Abstract: | The present experiment provides evidence for a double dissociation between item and source memory, thereby strengthening the claim that the 2 kinds of memory rely on different brain structures. Elderly participants were divided preexperimentally into 2 groups on the basis of their scores on a composite measure of frontal lobe function. In a subsequent test of sentence memory, the 2 groups did not differ; on a test of memory for the voice in which sentences were spoken, participants with high-frontal function outperformed those with low-frontal function. When the same participants were divided according to a composite measure of medial temporal lobe function, the high-functioning adults outperformed the low-functioning adults on memory for the sentence, but the groups did not differ on memory for voice. Results focus on different theories of frontal lobe function. (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
