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Spontaneous recovery of effects of contrast adaptation without awareness
Mei, Gaoxing1,2; Dong, Xue1; Dong, Bo1; Bao, Min1
2015-09-30
发表期刊FRONTIERS IN PSYCHOLOGY
ISSN1664-1078
文章类型Article
卷号6期号:0页码:1464
摘要Prolonged exposure to a high contrast stimulus reduces the neural sensitivity to subsequent similar patterns. Recent work has disclosed that contrast adaptation is controlled by multiple mechanisms operating over differing timescales. Adaptation to high contrast for a relatively longer period can be rapidly eliminated by adaptation to a lower contrast (or meanfield in the present study). Such rapid deadaptation presumably causes a short-term mechanism to signal for a sensitivity increase, canceling ongoing signals from long-term mechanisms. Once deadaptation ends, the short-term mechanism rapidly returns to baseline, and the slowly decaying effects in the long-term mechanisms reemerge, allowing the perceptual aftereffects to recover during continued testing. Although this spontaneous recovery effect is considered strong evidence supporting the multiple mechanisms theory, it remains controversial whether the effect is mainly driven by visual memory established during the initial longer-term adaptation period. To resolve this debate, we used a modified Continuous Flash Suppression (CFS) and visual crowding paradigms to render the adapting stimuli invisible, but still observed the spontaneous recovery phenomenon. These results exclude the possibility that spontaneous recovery found in the previous work was merely the consequence of explicit visual memory. Our findings also demonstrate that contrast adaptation, even at the unconscious processing levels, is controlled by multiple mechanisms.
关键词contrast adaptation spontaneous recovery awareness visual memory visual crowding continuous flash suppression
收录类别SSCI
语种英语
WOS记录号WOS:000363199200001
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/15270
专题中国科学院行为科学重点实验室
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Guizhou Normal Univ, Dept Psychol, Guiyang, Peoples R China
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GB/T 7714
Mei, Gaoxing,Dong, Xue,Dong, Bo,et al. Spontaneous recovery of effects of contrast adaptation without awareness[J]. FRONTIERS IN PSYCHOLOGY,2015,6(0):1464.
APA Mei, Gaoxing,Dong, Xue,Dong, Bo,&Bao, Min.(2015).Spontaneous recovery of effects of contrast adaptation without awareness.FRONTIERS IN PSYCHOLOGY,6(0),1464.
MLA Mei, Gaoxing,et al."Spontaneous recovery of effects of contrast adaptation without awareness".FRONTIERS IN PSYCHOLOGY 6.0(2015):1464.
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