Imagery Interference Diminishes in Older Adults: Age-Related Differences in the Magnitude of the Perky Effect |
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Authors: | Craver-Lemley Catherine Bornstein Robert F Alexander Danielle N Barrett Anna M |
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Affiliation: | Department of Psychology, Elizabethtown College. |
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Abstract: | Studies have documented the negative effects of mental imagery on perception (also known as the Perky effect) in younger adults, but imagery-interference effects in older adults have never been assessed. Two experiments examined this issue directly. Experiment 1 demonstrated that visual mental images diminish visual acuity in younger adults (mean age = 19.0) but not older adults (mean age = 73.6). Experiment 2 obtained parallel results, showing that visual imagery interfered with performance on a visual detection task in younger (mean age = 18.7) but not older adults (mean age = 66.7). Processes underlying age-related differences in imagery-interference effects are discussed and implications of these results for changes in cognitive performance in older adults are considered. |
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