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Reading: Change Blindness to Gradual Changes in Facial Expressions

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Research Article

Change Blindness to Gradual Changes in Facial Expressions

Authors:

Elodie David ,

Université Libre de Bruxelles, BE
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Cédric Laloyaux,

Université Libre de Bruxelles, BE
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Christel Devue,

University of Liège, BE
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Axel Cleeremans

Université Libre de Bruxelles, BE
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Abstract

Change blindness – our inability to detect changes in a stimulus – occurs even when the change takes place gradually, without disruption (Simons, Franconeri, & Reimer, 2000). Such gradual changes are more difficult to detect than changes that involve a disruption. In this experiment, we extend previous findings to the domain of facial expressions of emotions occurring in the context of a realistic scene. Even with changes occurring in central, highly relevant stimuli such as faces, gradual changes still produced high levels of change blindness: Detection rates were three times lower for gradual changes than for displays involving disruption, with only 15% of the observers perceiving the gradual change within a single trial. However, despite this high rate of change blindness, changes on faces were significantly better detected than colour changes occurring on non facial objects in the same scene.
How to Cite: David, E. et al., (2006). Change Blindness to Gradual Changes in Facial Expressions. Psychologica Belgica. 46(4), pp.253–268. DOI: http://doi.org/10.5334/pb-46-4-253
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Published on 01 Dec 2006.
Peer Reviewed

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