撒切尔幻觉揭示的怪人效应中的知觉加工作用

IF 1.5 4区 心理学 Q4 NEUROSCIENCES
Akira Sarodo , Kentaro Yamamoto , Katsumi Watanabe
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引用次数: 0

摘要

当重复出现一个相同的刺激后,又出现一个新的刺激(奇异球)时,奇异球被认为比重复刺激持续的时间更长,这种现象被称为奇异球效应。我们研究了重复刺激和怪球刺激之间的知觉差异还是物理差异对怪球效应更为重要。为了在保持物理视觉特征不变的情况下操纵知觉上的差异,我们使用了撒切尔幻觉,在这种幻觉中,倒置的人脸会阻碍对其面部特征扭曲的识别。我们发现,在重复呈现一张完整的脸之后,再呈现一张柴契尔幻觉化的脸,当这些脸直立时比倒置时引起的怪球效应更强(实验 1)。然而,当重复呈现一张 Thatcherized 人脸后,再呈现一张完整的人脸作为奇异球时,却观察不到不同人脸方向的奇异球效应差异(实验 2)。当被试在一次实验中同时进行完整重复和 Thatcherized 重复两个条件时,上述结果得到了重复(实验 3)。两个对照实验证实,重复呈现前面的刺激是发生时长失真差异的必要条件(实验 4 和 5)。这些结果表明,知觉加工在奇异球效应中起着相当重要的作用。我们从预测编码的角度讨论了完整重复和茅塞顿开重复条件下的结果差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The role of perceptual processing in the oddball effect revealed by the Thatcher illusion

When a novel stimulus (oddball) appears after repeated presentation of an identical stimulus, the oddball is perceived to last longer than the repeated stimuli, a phenomenon known as the oddball effect. We investigated whether the perceptual or physical differences between the repeated and oddball stimuli are more important for the oddball effect. To manipulate the perceptual difference while keeping their physical visual features constant, we used the Thatcher illusion, in which an inversion of a face hinders recognition of distortion in its facial features. We found that the Thatcherized face presented after repeated presentation of an intact face induced a stronger oddball effect when the faces were upright than when they were inverted (Experiment 1). However, the difference in the oddball effect between face orientations was not observed when the intact face was presented as the oddball after repeated presentation of a Thatcherized face (Experiment 2). These results were replicated when participants performed both the intact-repeated and Thatcherized-repeated conditions in a single experiment (Experiment 3). Two control experiments confirmed that the repeated presentation of the preceding stimuli is necessary for the difference in duration distortion to occur (Experiments 4 and 5). The results suggest the considerable role of perceptual processing in the oddball effect. We discuss the discrepancy in the results between the intact-repeated and Thatcherized-repeated conditions in terms of predictive coding.

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来源期刊
Vision Research
Vision Research 医学-神经科学
CiteScore
3.70
自引率
16.70%
发文量
111
审稿时长
66 days
期刊介绍: Vision Research is a journal devoted to the functional aspects of human, vertebrate and invertebrate vision and publishes experimental and observational studies, reviews, and theoretical and computational analyses. Vision Research also publishes clinical studies relevant to normal visual function and basic research relevant to visual dysfunction or its clinical investigation. Functional aspects of vision is interpreted broadly, ranging from molecular and cellular function to perception and behavior. Detailed descriptions are encouraged but enough introductory background should be included for non-specialists. Theoretical and computational papers should give a sense of order to the facts or point to new verifiable observations. Papers dealing with questions in the history of vision science should stress the development of ideas in the field.
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