Investigation of bistable perception with the &quot; silhouette spinner&quot;: Sit still, spin the dancer with your will

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題名:	Investigation of bistable perception with the ";silhouette spinner";: Sit still, spin the dancer with your will
作者:	洪蘭;Liu, Chao-Hsuan;Tzeng, Ovid J.L.;Hung, Daisy L.;Tseng, Philip;Juan, Chi-Hung
貢獻者:	生醫理工學院認知神經科學研究所
關鍵詞:	Active perception;Analysis of Variance;Attention - physiology;Biological plausibility;Bistable motion perception;Female;Fixation, Ocular - physiology;Humans;Intention;Male;Motion Perception - physiology;Optical Illusions - physiology;Photic Stimulation - methods;Rotation;Taiwan;Voluntary control
日期:	2012-05-01
上傳時間:	2026-04-23 14:28:58 (UTC+8)
出版者:	Elsevier Ltd.;England: Elsevier Ltd
摘要:	摘要： ► Human can intentionally alternate their percepts of a bistable moving body rapidly. ► The alternate rate can be as many as 25 switches of the bistable percepts per minute. ► The alternate rate depends on the biological constraint of the bistable stimuli. Many studies have used static and non-biologically related stimuli to investigate bistable perception and found that the percept is usually dominated by their intrinsic nature with some influence of voluntary control from the viewer. Here we used a dynamic stimulus of a rotating human body, the silhouette spinner illusion, to investigate how the viewers’ intentions may affect their percepts. In two experiments, we manipulated observer intention (active or passive), fixation position (body or feet), and spinning velocity (fast, medium, or slow). Our results showed that the normalized alternating rate between two bistable percepts was greater when (1) participants actively attempted to switch percepts, (2) when participants fixated at the spinner’s feet rather than the body, inducing as many as 25 switches of the bistable percepts within 1min, and (3) when they watched the spinner at high velocity. These results suggest that a dynamic biologically-bistable percept can be quickly alternated by the viewers’ intention. Furthermore, the higher alternating rate in the feet condition compared to the body condition suggests a role for biological meaningfulness in determining bistable percepts, where ‘biologically plausible’ interpretations are favored by the visual system. 其他題名： Vision Res 出版者： England: Elsevier Ltd 出版日期： 2012-05-01 出處： Vision research (Oxford), 2012-05, Vol.60, p.34-39 資源來源： ScienceDirect - Freedom Collection 版權： 2012 Elsevier Ltd 版權： Copyright © 2012 Elsevier Ltd. All rights reserved. 識別號： ISSN: 0042-6989 識別號： ISSN: 1878-5646 識別號： EISSN: 1878-5646 識別號： DOI: 10.1016/j.visres.2012.03.005 識別號： PMID: 22465540
顯示於類別:	[認知與神經科學研究所 ] 期刊論文

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