July 2013
Volume 13, Issue 9
Vision Sciences Society Annual Meeting Abstract  |   July 2013
Eye movements for scrambled faces
Author Affiliations
  • William G Hayward
    Department of Psychology, University of Hong Kong\nARC Centre of Excellence in Cognition and Its Disorders
  • Junpeng Lao
    Department of Psychology, University of Fribourg, Switzerland
  • Zhijie Cheng
    Department of Psychology, University of Hong Kong
  • Kate Crookes
    ARC Centre of Excellence in Cognition and Its Disorders\nDepartment of Psychology, University of Western Australia
  • Tina T Liu
    Department of Psychology, University of Hong Kong
  • Roberto Caldara
    Department of Psychology, University of Fribourg, Switzerland
Journal of Vision July 2013, Vol.13, 398. doi:https://doi.org/10.1167/13.9.398
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      William G Hayward, Junpeng Lao, Zhijie Cheng, Kate Crookes, Tina T Liu, Roberto Caldara; Eye movements for scrambled faces. Journal of Vision 2013;13(9):398. https://doi.org/10.1167/13.9.398.

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      © ARVO (1962-2015); The Authors (2016-present)

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We now have considerable evidence on the nature of face perception, and the way in which observers acquire information from intact faces in order to make judgments (e.g., identity, sex, age, ethnicity) about them. However, recent work has shown that faces can often be successfully recognized on the basis of individual features rather than the whole, intact face. Therefore, the goal of the current study was to investigate eye movements when participants were viewing sets of facial features that had been scrambled from their original configuration. Participants viewed scrambled and intact faces, in the context of a recognition memory test (where half the test items had been studied and half were new). During both study and test trials, fixation position was monitored. When presented with scrambled stimuli, fixations were largely centered on the two eyes, with relatively few fixations to the mouth, nose, or other features. With intact stimuli, however, fixations showed a different pattern, with more fixations to the nose and mouth (as well as to the eyes). We attribute this difference in eye movement patterns between intact and scrambled faces to the influence of the overall facial configuration in the former case. When facial features appear in the context of the intact facial configuration, the visual system is able to efficiently acquire information from across the whole face. Once the features are scrambled, however, observers appear to use a much more restricted focus of attention, which they position mainly on the eyes. These results also suggest that observers use a relatively small number of features as the basis for recognition decisions about scrambled faces.

Meeting abstract presented at VSS 2013


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