May 2008
Volume 8, Issue 6
Free
Vision Sciences Society Annual Meeting Abstract  |   May 2008
Inverting faces does not abolish cultural diversity in eye movements
Author Affiliations
  • David Kelly
    Department of Psychology and Centre for Cognitive Neuroimaging, University of Glasgow, UK
  • Rachael Jack
    Department of Psychology and Centre for Cognitive Neuroimaging, University of Glasgow, UK
  • Caroline Blais
    Department of Psychology and Centre for Cognitive Neuroimaging, University of Glasgow, UK
  • Anne-Sarah Caldara
    Department of Psychology and Centre for Cognitive Neuroimaging, University of Glasgow, UK
  • Bruno Rossion
    Department of Psychology, Universite catholique de Louvain (UCL), Belgium
  • Christoph Scheepers
    Department of Psychology, Universite catholique de Louvain (UCL), Belgium
  • Roberto Caldara
    Department of Psychology and Centre for Cognitive Neuroimaging, University of Glasgow, UK
Journal of Vision May 2008, Vol.8, 643. doi:10.1167/8.6.643
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      David Kelly, Rachael Jack, Caroline Blais, Anne-Sarah Caldara, Bruno Rossion, Christoph Scheepers, Roberto Caldara; Inverting faces does not abolish cultural diversity in eye movements. Journal of Vision 2008;8(6):643. doi: 10.1167/8.6.643.

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

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Abstract

Face processing is thought to be invariant across all humans. Since the seminal work of Yarbus (1965), studies of eye movements have consistently revealed systematic, analytical sequences of fixations over the eyes and the mouth during face processing. This triangular scanpath observed in Western Caucasian (WC) observers has long been assumed to represent a universal, biologically-determined information extraction pattern for faces. However, we recently reported a striking cultural contrast. Contrary to intuition, East Asian (EA) observers focused on the central region of faces to extract information holistically during upright face recognition (Jack et al., 2006), questioning the universality of eye movements for faces. It is well established that vertical inversion of objects disrupts natural perceptual strategies and markedly impairs individual face recognition (e.g., Yin, 1969). The comparable lack of experience across cultures with inverted faces represents a unique opportunity to establish the extent to which perceptual cultural strategies are robust and might reveal fine-grained use of diagnostic information. Here we monitored the eye movements of WC and EA observers while they learned and recognized WC and EA inverted faces. Both groups of observers showed a comparable impairment in recognizing inverted faces of both races. In contrast, eye movements revealed differential facial fixation scanpaths. WC showed a scatter inverted triangular scanpath with a bias towards the mouth, whereas EA uniformly extended the focus of their fixations from the center towards one eye. Interestingly, the bias towards the upper part of the face (i.e., mouth) in WC suggests that the extraction of visual information from inverted faces is driven by spatial tuning more than diagnostic information (i.e., eyes). Overall, cultural perceptual differences in eye movements resist the face inversion effect and, critically, reinforce the view that face processing can no longer be considered as arising from a universal series of perceptual events.

Kelly, D. Jack, R. Blais, C. Caldara, A.-S. Rossion, B. Scheepers, C. Caldara, R. (2008). Inverting faces does not abolish cultural diversity in eye movements [Abstract]. Journal of Vision, 8(6):643, 643a, http://journalofvision.org/8/6/643/, doi:10.1167/8.6.643. [CrossRef]
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