What types of visual recognition tasks are mediated by the system that subserves face recognition?

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2001-01-01
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Brooks, Brian
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Altmetrics
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Psychology
The Department of Psychology may prepare students with a liberal study, or for work in academia or professional education for law or health-services. Graduates will be able to apply the scientific method to human behavior and mental processes, as well as have ample knowledge of psychological theory and method.
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Two experiments tested for hemispheric specialization during subordinate and basic-level face recognition and during basic and superordinate-level animal recognition. The purpose of the experiments was to test current hypotheses about the types of recognition tasks that are mediated by the neural subsystem that subserves face recognition. One hypothesis is that the subsystem is used to recognize biological stimuli whereas a second hypothesis is that it mediates subordinate-level recognition tasks. A third hypothesis is that the subsystem mediates expert recognition tasks whereas a fourth hypothesis is that it is used whenever the demands of the recognition task require the use of coordinate spatial relations. A right hemisphere recognition advantage is indicative of the subsystem that subserves face recognition. Experiment 1 found a right hemisphere advantage for subordinate but not basic-level face recognition. Experiment 2 found a right hemisphere advantage for basic but not superordinate-level animal recognition. This pattern of hemispheric specialization is consistent with the hypothesis that the face subsystem is used whenever a recognition task requires the use of coordinate relations and is inconsistent with the other hypotheses about the types of recognition tasks that are mediated using the neural subsystem that mediates face recognition.

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Mon Jan 01 00:00:00 UTC 2001