Central auditory deficits associated with compromise of the primary auditory cortex.
Central auditory deficits associated with compromise of the primary auditory cortex.
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DOI：
10.3766/jaaa.15.2.2
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发表时间：
2004-02-01
影响因子：
1.2
通讯作者：
Musiek, Frank E
中科院分区：
文献类型：
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作者：
Baran, Jane A;Bothfeldt, Richard W;Musiek, Frank E
本研究的受试者是一名46岁的女性，患有脑血管意外（CVA）。磁共振成像显示大脑中动脉分布区受损，累及左半球的大部分（如果不是全部的话）初级听觉区。在CVA之前未观察到听觉问题;然而，在CVA之后，受试者报告了许多听觉困难。纯音听阈在CVA后正常，如果在反应和下一个测试项目的呈现之间提供足够的时间，则双耳的语音识别测试性能良好。双耳的持续时间模式、强度辨别力和中潜伏期反应测试结果均异常，听觉融合测试和两种二分语音测试（数字和押韵）中右耳缺陷明显。这种情况是重要的，因为它证明了已知的关键听觉区域的损害和中央听觉测试结果之间的良好相关性。
The subject of this study was a 46-year-old female who had suffered a cerebrovascular accident (CVA). Magnetic resonance imaging revealed damage in the area of the distribution of the middle cerebral artery involving most, if not all, of the primary auditory area of the left hemisphere. No auditory problems were noted prior to the CVA; however, following the CVA, the subject reported a number of auditory difficulties. Pure-tone thresholds were normal post-CVA, and performance on speech recognition testing was good in both ears if ample time was provided between a response and the presentation of the next test item. Duration pattern, intensity discrimination, and middle latency response test results were abnormal for both ears, and right ear deficits were evident on an auditory fusion test and two dichotic speech tests (digits and rhymes). This case is significant in that it demonstrates a good correlation between damage to known key auditory regions and central auditory test results.