September 2015
Volume 15, Issue 12
Free
Vision Sciences Society Annual Meeting Abstract  |   September 2015
Mental tracking of dynamic features
Author Affiliations
  • Julian De Freitas
    Department of Experimental Psychology, University of Oxford
  • Nicholas Myers
    Department of Experimental Psychology, University of Oxford Oxford Centre for Human Brain Activity, Department of Psychiatry, University of Oxford
  • Anna Nobre
    Department of Experimental Psychology, University of Oxford Oxford Centre for Human Brain Activity, Department of Psychiatry, University of Oxford
Journal of Vision September 2015, Vol.15, 565. doi:10.1167/15.12.565
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      Julian De Freitas, Nicholas Myers, Anna Nobre; Mental tracking of dynamic features. Journal of Vision 2015;15(12):565. doi: 10.1167/15.12.565.

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

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Abstract

A temporarily occluded object is perceived as persisting through occlusion, emerging as the same unitary object. In the real world, an object's features are also often changing as they become occluded. However, it is unknown how the brain continues to keep track of such dynamic, invisible features, binding them to the correct objects. In a first case study of this question, we found that such featural information (dynamic orientation change) was mentally extrapolated forwards in time (E1). This effect scaled with the speed of the object (E2), occurred for both moving and stationary objects (E3), occurred only during free eye movements (E4), and is an effect of mental transformation (E5). These results demonstrate how the brain tracks a dynamic feature through ‘gaps’ of visual input.

Meeting abstract presented at VSS 2015

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