Some consequences of normal aging for generating conceptual explanations: A case study of vitalist biology

Cognitive Psychology
Nathan TardiffDeborah Zaitchik

Abstract

Accumulating evidence suggests that not only diseases of old age, but also normal aging, affect elderly adults' ability to draw on the framework theories that structure our abstract causal-explanatory knowledge, knowledge that we use to make sense of the world. One such framework theory, the cross-culturally universal vitalist biology, gives meaning to the abstract concepts life and death. Previous work shows that many elderly adults are animists, claiming that active, moving entities such as the sun and the wind are alive (Zaitchik & Solomon, 2008). Such responses are characteristic of young children, who, lacking an intuitive theory of biology, distinguish animals from non-animals on the basis of a theory of causal and intentional agency. What explains such childlike responses? Do the elderly undergo semantic degradation of their intuitive biological theory? Or do they merely have difficulty deploying their theory of biology in the face of interference from the developmentally prior agency theory? Here we develop an analytic strategy to answer this question. Using a battery of vitalist biology tasks, this study demonstrates-for the first time-that animism in the elderly is due to difficulty in deployment of the vitalist theor...Continue Reading

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