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Author | Rosenzweig, M.R. | ||||
Title | Representations of the Two Ears at the Auditory Cortex | Type | Journal Article | ||
Year | 1951 | Publication | American Journal of Physiology -- Legacy Content | Abbreviated Journal | |
Volume | 167 | Issue | 1 | Pages | 147-158 |
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Abstract | This investigation is part of a more general study of binaural perception and its electrophysiological correlates. In order to account for some of the phenomena of binaural perception, Boring (I) proposed that the two ears are represented at the auditory cortex by two different populations of cortical units. We have attempted to test this hypothesis, taking up two aspects in succession: I) Do the populations of cortical units that represent the two ears differ in size at the two cerebral hemispheres?S timulation of either ear evokes electrophysiological responseso ver the entire extent of the auditory cortex of both hemispheres. It has been suggestedt hat the responsesa re larger in amplitude at the hemisphere contralateral to the ear stimulated (2-4), but this has also been denied (5). We will present quantitative evidence to show that at both hemispheres the response of the contralateral ear is significantly larger than the response of the ipsilateral ear.3 2> Are the two ears represented by independent populations of cortical units, or are they represented by overlapping populations of cortical units? Results from a small number of experiments indicate that the two populations overlap considerably. |
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Notes | Approved | no | |||
Call Number | Equine Behaviour @ team @ | Serial | 5359 | ||
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