Electrophysiological indices of selective auditory attention in subjects with and without tinnitus
Electrophysiological indices of selective auditory attention in subjects with and without tinnitus
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DOI：
10.1016/0378-5955(96)00055-x
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发表时间：
1996-08-01
期刊：
影响因子：
2.8
通讯作者：
Ahmad, BK
中科院分区：
文献类型：
--
作者：
Jacobson, GP;Calder, JA;Ahmad, BK
目前的研究试图确定正常受试者和患有烦人耳鸣的受试者之间的选择性听觉注意能力是否存在差异。受试者是37名患有耳鸣和高频听力损失(不影响500和1000赫兹的阈值)的成年人，以及15名听力和听力正常的受试者。结果提示，耳鸣患者早期选择性听觉注意的电生理指标(负差波，ND)较大。此外，仅在耳鸣受试者出现选择性注意的情况下，皮质N1成分出现的时间明显较晚。这项研究的结果可能支持这样的观点，即患有烦人耳鸣的受试者的早期选择性听觉注意与正常受试者不同。
The present investigation was conducted in an attempt to determine whether selective auditory attention abilities differed between normal subjects and subjects with bothersome tinnitus. Subjects were 37 adults with tinnitus and high-frequency hearing loss (not affecting thresholds at 500 and 1000 Hz) and 15 subjects who were audiometrically and otologically normal. Results suggested that an electrophysiological index of early selective auditory attention (i.e., the negative difference wave, Nd) was of greater magnitude in tinnitus patients. Also, the cortical N1 component occurred significantly later in the presence of selective attention in tinnitus subjects only. Results of this investigation may support the view that early selective auditory attention in subjects with bothersome tinnitus differs from that of normal subjects.