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Harvey M. Sussman, PhD; Peter F. MacNeilage, PhD

Arch Otolaryngol. 1975;101(6):389-391.

Abstract
Patients with left or right anterior temporal lobectomies show severe deficits on the ear contralateral to the lesion in responding to dichotic speech stimuli. One patient with a left and one with a right anterior temporal lobectomy were tested on a dichotic pursuit auditory tracking task. There were no severe performance deficits that would have indicated difficulty in processing either pure tone stimulus.

The resected areas were apparently not necessary for relatively efficient processing of these simple nonspeech stimuli, either because other parts of the damaged hemisphere were sufficient for task performance or because ipsilateral auditory transmission pathways can be used in this task. Both patients showed a speech-related right ear advantage for the jaw generated tone but not for the hand generated tone.

Author Affiliations
From the Department of Speech Communication and Linguistics (Dr. Sussman) and Linguistics and Psychology (Dr. MacNeilage), University of Texas at Austin.

Footnotes
Accepted for publication Sept 30, 1974.

Reprint requests to the Department of Linguistics, University of Texas at Austin, College of Social and Behavioral Sciences, Austin, TX 78712 (Dr. Sussman).

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