Functional Mapping of the Primate Auditory System

Author:

Poremba Amy1,Saunders Richard C.2,Crane Alison M.3,Cook Michelle4,Sokoloff Louis4,Mishkin Mortimer2

Affiliation:

1. Department of Psychology and Neuroscience Program, University of Iowa, Iowa City, IA 52242, USA.

2. Laboratory of Neuropsychology, National Institute of Mental Health, Bethesda, MD 20892, USA.

3. Center for Perceptual Systems, University of Texas, Austin, TX 78712, USA.

4. Laboratory of Cerebral Metabolism, National Institute of Mental Health, Bethesda, MD 20892, USA.

Abstract

Cerebral auditory areas were delineated in the awake, passively listening, rhesus monkey by comparing the rates of glucose utilization in an intact hemisphere and in an acoustically isolated contralateral hemisphere of the same animal. The auditory system defined in this way occupied large portions of cerebral tissue, an extent probably second only to that of the visual system. Cortically, the activated areas included the entire superior temporal gyrus and large portions of the parietal, prefrontal, and limbic lobes. Several auditory areas overlapped with previously identified visual areas, suggesting that the auditory system, like the visual system, contains separate pathways for processing stimulus quality, location, and motion.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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