Article (Scientific journals)
Undetected changes in visible stimuli influence subsequent decisions.
Laloyaux, Cédric; Devue, Christel; Doyen, Stéphane et al.
2008In Consciousness and Cognition, 17 (3), p. 646-56
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Keywords :
Decision Making; Facial Expression; Humans; Recognition (Psychology); Signal Detection (Psychology); Visual Perception; Visual attention; change blindness
Abstract :
[en] Change blindness-our inability to detect changes in a stimulus-occurs even when the change takes place gradually, without any disruption [Simons, D. J., Franconeri, S. L., & Reimer, R. L. (2000). Change blindness in the absence of a visual disruption. Perception, 29(10), 1143-1154]. Such gradual changes are more difficult to detect than changes that involve a disruption. Using this method, David et al. [David, E., Laloyaux, C., Devue, C., & Cleeremans, A. (in press). Change blindness to gradual changes in facial expressions. Psychologica Belgica] recently showed substantial blindness to changes that involve facial expressions of emotion. In this experiment, we show that people who failed to detect any change in the displays were (1) nevertheless influenced by the changing information in subsequent recognition decisions about which facial expression they had seen, and (2) that their confidence in their decisions was lower after exposure to changing vs. static displays. The findings therefore support the notion that undetected changes that occur in highly salient stimuli may be causally efficacious and influence subsequent behavior. Implications concerning the nature of the representations associated with undetected changes are discussed.
Disciplines :
Theoretical & cognitive psychology
Author, co-author :
Laloyaux, Cédric ;  Université de Liège - ULiège > Département des sciences cognitives > Psychologie cognitive
Devue, Christel ;  Université de Liège - ULiège > Département des sciences cognitives > Psychologie cognitive
Doyen, Stéphane
David, Elodie
Cleeremans, Axel
Language :
English
Title :
Undetected changes in visible stimuli influence subsequent decisions.
Publication date :
2008
Journal title :
Consciousness and Cognition
ISSN :
1053-8100
eISSN :
1090-2376
Publisher :
Academic Press, San Diego, United States - California
Volume :
17
Issue :
3
Pages :
646-56
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 13 August 2009

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