Cognitive and Affective Theory of Mind in Healthy Aging.
2020
BACKGROUND Previous studies on the effect of healthy aging on Theory of Mind (ToM) have produced mixed results. A possible explanation may be that different ToM components and types of inference have not systematically been considered. This study examined the effect of aging on ToM by assessing both first and second order cognitive and affective components within a single task. METHODS We compared performance of young (M = 18.3y) and older adults (M = 61.0y) on the Yoni task. This task allows for a within-subject assessment of both first and second order cognitive and affective ToM. RESULTS We observed that older adults had longer reaction times than young adults across cognitive and affective first order items. For second order items, this age difference was larger for affective than cognitive items. Results showed no indications that these findings could be explained by age differences in speed/accuracy trade-offs. CONCLUSION Our findings suggest that decision processes underlying ToM are slower in older adults on both first and second order inferences, but that age differences in these processes between cognitive and affective ToM are selective to second order inferences. We propose that the observed age differences may be associated with cortical and mental changes that occur with aging.
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