Profile analysis with an asynchronous target: evidence for auditory grouping.
Profile analysis with an asynchronous target: evidence for auditory grouping.
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具有异步目标的轮廓分析：听觉分组的证据。
DOI：
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发表时间：
1997
影响因子：
2.4
通讯作者：
Peter J. Bailey
中科院分区：
文献类型：
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作者：
N. I. Hill;Peter J. Bailey
格林和戴[在听觉生理学和知觉中，由Y.Cazals，L.Demany和K.Horner(Pergamon，牛津，1992)编辑]报道了一系列实验，这些实验表明，当目标组件和侧翼组件在不同的时间开始或结束时，听者同时进行跨频率强度比较的能力受到严重损害。本实验试图复制非同步开始的效应，并包括一个附加条件，即非同步目标成分的前导部分伴随着一对“捕获”声调。捕获音调的目的是促进一种知觉组织，在这种组织中，异步目标成分的前导部分和同步部分与不同的听觉对象分组。对于所有六个收听者，320毫秒的异步性大大提高了相对于同步启动条件的阈值，增加的幅度在6到16分贝之间。相比之下，在捕获者在场的情况下，阈值的平均升高只有3db，尽管对于所有听者来说，阈值仍然高于同步发作条件下的阈值。这一结果支持了以下观点，即发声不同步对轮廓分析成绩的有害影响是由于听觉分组原则的操作。
Green and Dai [in Auditory Physiology and Perception, edited by Y. Cazals, L. Demany, and K. Horner (Pergamon, Oxford, 1992)] reported a series of experiments which suggested that listeners' ability to perform simultaneous across-frequency comparisons of intensity is severely impaired when the target and flanking components begin or end at different times. The present experiment sought to replicate the effect of onset asynchrony and included an additional condition in which the leading portion, of the asynchronous target component was accompanied by a pair of "captor" tones. The intended purpose of the captor tones was to promote a perceptual organization in which the leading and synchronous portions of the asynchronous target component were grouped with different auditory objects. For all six listeners an asynchrony of 320 ms raised thresholds substantially relative to the synchronous onset condition, the magnitude of the increase ranging between 6 and 16 dB. By contrast, the mean elevation of threshold in the presence of the captor was only 3 dB, although for all listeners thresholds were still greater than for the synchronous onset condition. The results support the view that the deleterious effect of onset asynchrony on profile analysis performance is due to the operation of auditory grouping principles.