Abstract
A serial mental-rotation (MR) task similar to one developed by Bethell-Fox and Shepard (1988) was used to evaluate adult age differences in encoding, rotation, and decision processes. Older adults’ response times were longer in each processing stage, and there were small age differences in rotation-stage slopes. Decision times and error rates increased as a function of rotation angle, and were differentially affected by age. The results are consistent with the hypothesis of age-related loss of information from spatial working memory when rotational transformation is required, and suggest that a proportion of age-related slowing in MR slopes found in simultaneous presentation of pairs of figures may reflect age differences in the speed of postrotational decision processes.
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The present research was supported by a grant to the first author from the National Institute on Aging (R01 AG06123). A version of this paper was presented at the 1990 Annual Meeting of the Psychonomic Society, New Orleans, LA.
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Hertzog, C., Rypma, B. Age differences in components of mental-rotation task performance. Bull. Psychon. Soc. 29, 209–212 (1991). https://doi.org/10.3758/BF03335237
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DOI: https://doi.org/10.3758/BF03335237