This Article  • References  • Full text PDF  • Reply to article  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Citation map  • Contact me when this article is cited  Related Content  • Similar articles in this journal  Social Bookmarking   What's this?

Findings in Patients With Temporal Lobe Damage

Jerry L. Cranford, PhD; Richard W. Stream, PhD; Carol V. Rye, MA; Theodore L. Slade, MD

Arch Otolaryngol. 1982;108(6):350-356.

Abstract
• Based on earlier experiments with cats, we have developed two new hearing tests to evaluate the ability of patients with temporal lobe damage to discriminate tones of short temporal duration. Earlier published studies suggested that patients exhibit notably increased thresholds for detecting tone pulses shorter than 200 ms in length when the signals are presented to the ear located contralateral to the damaged hemisphere. Our experiments with cats indicated that auditory cortex lesions had no effect on the cats' ability to detect brief tones but did impair their ability to discriminate small changes in the frequency of such signals. In giving the brief-tone tests to seven patients with temporal lobe damage, we found a similar behavioral dissociation. All patients exhibited normal detection thresholds in conjunction with substantially elevated frequency difference limina.

(Arch Otolaryngol 1982;108:350-356)

Author Affiliations
From the Department of Otolaryngology (Dr Cranford and Ms Rye) and the Department of Surgery, Division of Neurosurgery (Dr Slade), University of Texas Medical Branch, Galveston; and the Department of Communications, North Texas State University, Denton (Dr Stream).

Footnotes
Accepted for publication Dec 14, 1981.

Reprints not available.

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?