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心理学报  2018, Vol. 50 Issue (2): 168-175    DOI: 10.3724/SP.J.1041.2018.00168
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 错觉轮廓的适应效应
 张秀玲1;  侯亚楠1;  张福绪1;  梅松丽2;  康静梅1
 (1东北师范大学心理学院, 长春 130024) (2吉林大学公共卫生学院, 长春 130021)
 The adaptation to Kanizsa-type illusory contours
 ZHANG Xiuling1; HOU Yanan1; ZHANG Fuxu1; MEI Songli2; KANG Jingmei1
 (1 School of Psychology, Northeast Normal University, Changchun 130024, China) (2 School of Public Health, Jilin University, Changchun 130021, China)
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摘要  错觉轮廓反映知觉的主动建构过程, 考察其是否存在适应效应有助于理解视觉系统反馈调节的特性。我们采用Kanizsa这种典型的错觉轮廓来研究其适应过程, 结果发现:Kanizsa错觉轮廓具有适应效应, 并且这种适应主要是由主观形成的整体轮廓造成的, 而不是由Pac-Man上的线条引起的。表明依赖于高级视觉皮层反馈调节的主观建构过程和自下而上的神经元信息一样, 会随呈现时间的增加, 神经活动减弱, 体现为适应效应。
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张秀玲
侯亚楠
张福绪
梅松丽
康静梅
关键词 Kanizsa错觉轮廓 适应 反馈调节    
Abstract: One grouping principle of visual perception is to integrate spatially separated and partially occluded local parts into whole object representations. For example, in the processing of Kanizsa-type illusory contours (ICs), a subjective shape contour is perceived despite the inducers being isolated. The shape discrimination of the Kanizsa illusory contours depends on feedback signals in the brain. Thus, investigations of the adaptation to Kanizsa illusory contours can help us understand the temporal properties of top-down signals in the visual system. In the present study, four experiments were conducted to explore the adaptation to Kanizsa illusory contours. Participants adapted to +5° and −5° illusory contours in experiments 1a and 1b. In experiments 2a and 2b, in order to eliminate the possibility that the adaptation effect could be explained by the lines on the inducers, the inducer lines (experiment 2a) or the whole shape (experiment 2b) was used as the adapting images. For all of the experiments, illusory contours of varied degrees were used as test images. Subjects were instructed to respond as accurately and quickly as possible to the test images to judge whether they were fat or thin. When adapting to fat illusory contours, the participants tended to perceive the following tests as thin; on the contrary, when adapting to thin contours, they tended to perceive the test images as fat. These results showed significant adaption effect of Kanizsa contours. Further control experiments (2a and 2b) indicated that the adaptation effect was mainly caused by the illusory contour itself, rather than by the lines on the Pac-Man. These results revealed that adaptation effect existed in voluntary construction processes, indicating that the strength of feedback signals from higher-level visual cortex could become weak over time.
Key wordsKanizsa illusory contour    feedback signals    adaptation
收稿日期: 2016-09-08      出版日期: 2017-12-26
ZTFLH:     
  B842  
基金资助: 国家自然科学基金(31100730); 博士后科学基金(2013T60305)特别资助。
通讯作者: 张秀玲, E-mail: journeyonstars@126.com; 康静梅, E-mail: kangjm666@nenu.edu.cn   
引用本文:   
张秀玲, 侯亚楠, 张福绪, 梅松丽, 康静梅.  错觉轮廓的适应效应[J]. 心理学报, 2018, 50(2): 168-175.
ZHANG Xiuling, HOU Yanan, ZHANG Fuxu, MEI Songli, KANG Jingmei.  The adaptation to Kanizsa-type illusory contours. Acta Psychologica Sinica, 2018, 50(2): 168-175.
链接本文:  
http://journal.psych.ac.cn/xlxb/CN/10.3724/SP.J.1041.2018.00168      或      http://journal.psych.ac.cn/xlxb/CN/Y2018/V50/I2/168
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