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Time Dilation Caused by Oddball Serial Position and Pitch Deviancy
Music Perception ( IF 1.3 ) Pub Date : 2018-04-01 , DOI: 10.1525/mp.2018.35.4.425
Mohammad Ali Nazari 1 , Amir Ebneabbasi , Hoda Jalalkamali 2 , Simon Grondin 3
Affiliation  

When a deviant stimulus is presented within a stream of homogeneous stimuli, its duration tends to be overestimated. Two experiments investigated the effects of oddball serial position and pitch deviancy on perceived duration. In Experiment 1, the oddball method was used, in which an oddball stimulus is embedded in a series of standard stimuli and randomly positioned in each trial. In Experiment 2, the oddball position was stable and its deviancy varied from trial to trial. Musician and nonmusician participants were asked to judge whether the comparison interval was shorter or longer than the standards. The study indicates that for nonmusicians, the duration of an oddball stimulus appears longer than the repeated standard stimuli. Moreover, the oddballs occurring in later positions in the stream of stimuli are perceived to be longer than oddballs occurring in earlier positions in the stream. Also, a higher degree of oddball deviancy results in a greater dilation of perceived duration. In contrast with the results of nonmusicians, there is neither a position nor a deviancy effect with musician participants; the subjective duration remains constant. Several explanations are discussed in order to account for these group differences.

中文翻译:

奇数球串行位置和音高偏差引起的时间膨胀

当在同质刺激流中出现异常刺激时,其持续时间往往被高估。两项实验研究了奇数球串行位置和音高偏差对感知持续时间的影响。在实验1中,使用了奇数球方法,其中,将奇数球刺激嵌入一系列标准刺激中,并在每个试验中随机放置。在实验2中,奇数球的位置是稳定的,并且其偏差随试验的不同而不同。要求音乐家和非音乐家参与者判断比较间隔是否比标准间隔短或长。该研究表明,对于非音乐家,奇怪球刺激的持续时间似乎比重复的标准刺激更长。此外,发生在刺激流后面位置的奇异球比出现在刺激流前面位置的奇异球更长。同样,更高程度的奇数球偏差会导致感知持续时间更大的扩张。与非音乐家的结果相反,音乐家的参与者既没有地位也没有偏差。主观持续时间保持不变。为了解释这些组差异,讨论了几种解释。
更新日期:2018-04-01
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