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. 1983 Jul;38(4):439-46.
doi: 10.1093/geronj/38.4.439.

Age-related differences in memory for lateral orientation of pictures

Age-related differences in memory for lateral orientation of pictures

J C Bartlett et al. J Gerontol. 1983 Jul.

Abstract

Two experiments examined memory for the lateral orientation of scenic pictures by young and elderly adults. In Experiment 1, an input list of pictures was followed by a test demanding discrimination between (a) targets versus reversed copies of input items, or (b) targets versus new pictures which verbally resembled input items. The age-related difference was reliably larger in the former task than in the latter. Experiment 2 compared incidental versus intentional acquisition of orientation under conditions of short (1 second) and long (5 second) presentation of pictures at input. With short presentation, though not with long presentation, intentional instructions reliably impaired orientation memory. With both presentation times, robust age-related differences were obtained. The results suggest an age-related deficit in truly non-intentional encoding of orientation, and pose a challenge for capacity theories of memory across the lifespan.

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Figures

Figure 1
Figure 1
Discrimination (A′) between targets and reversals (reversal condition) and between targets and verbal-match items (verbal-match condition) as a function of age and discrimination-difficulty.

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