September 2019
Volume 19, Issue 10
Open Access
Vision Sciences Society Annual Meeting Abstract  |   September 2019
The dominance of spatial information in location judgments: A persistent congruency bias even amidst conflicting statistical regularities
Author Affiliations & Notes
  • Anisha S Babu
    Department of Psychology, The Ohio State University
  • Paul S Scotti
    Department of Psychology, The Ohio State University
  • Julie D Golomb
    Department of Psychology, The Ohio State University
Journal of Vision September 2019, Vol.19, 31. doi:https://doi.org/10.1167/19.10.31
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      Anisha S Babu, Paul S Scotti, Julie D Golomb; The dominance of spatial information in location judgments: A persistent congruency bias even amidst conflicting statistical regularities. Journal of Vision 2019;19(10):31. doi: https://doi.org/10.1167/19.10.31.

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

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Abstract

During object recognition, visual features such as shape and location must be integrated. Previous studies investigating object feature binding posit that location plays a unique role in the binding process. Further, a “spatial congruency bias,” or a tendency to report objects as the same identity if they are presented at the same location, was discovered (Golomb et al, 2014, JEP:Gen), supporting a privileged role for location in object recognition. The current study investigated the persistence of this bias. Specifically, while maintaining central fixation, subjects were sequentially presented with two objects in the periphery. The objects were novel-object morphs of either the same or different identity, and they appeared at either the same or different location. Subjects were then asked whether the objects were of the same or different identity. To see if we could override the spatial congruency bias, we biased the statistical regularities in the opposite direction, such that 75% of same location trials included different identity objects, and 75% of different location trials included same identity objects. If the spatial congruency bias were still observed, it would indicate that the role of location in object perception is preserved despite contradictory associations. A calculation of d’ and response bias revealed that subjects were indeed still more biased to report objects as the same identity when they appeared in the same location compared to different location trials. These results indicate the preservation of the spatial congruency bias even with conflicting statistical regularities, further reinforcing the dominant role of spatial information during object feature binding.

Acknowledgement: NIH R01-EY025648 (JG), Alfred P. Sloan (JG) 
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