July 2013
Volume 13, Issue 9
Vision Sciences Society Annual Meeting Abstract  |   July 2013
Macro-organization of object responses in occipito-temporal cortex
Author Affiliations
  • Talia Konkle
    Department of Psychology, Harvard University
  • Alfonso Caramazza
    Department of Psychology, Harvard University
Journal of Vision July 2013, Vol.13, 1388. doi:https://doi.org/10.1167/13.9.1388
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      Talia Konkle, Alfonso Caramazza; Macro-organization of object responses in occipito-temporal cortex. Journal of Vision 2013;13(9):1388. doi: https://doi.org/10.1167/13.9.1388.

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

  • Supplements

What are the dimensions that organize object representation? A common assumption is that the mosaic of category-selective areas are the only large-scale clusters, while the remaining object responses have more heterogenous response profiles with structure primarily at a finer spatial scale. In contrast, I will present results showing a large-scale of object responses spanning the entire ventral and lateral occipito-temporal cortex, based on the dimensions of animacy and size. Zones with systematic animacy-size preferences are arranged in a spoked organization emanating from the occipital pole along a single ventral-medial-to-lateral-to-dorsal-medial axis, bearing marked similarity to the organization of early visual areas. Regions selective for faces, bodies, and scenes fit within these zones, demonstrating consistent meso-scale structure. These results suggest that object cortex, just like early visual cortex, has structure that can be explained at multiple spatial scales. I will argue that understanding this multi-scale representation is valuable for inferring the nature of the underlying cognitive architecture.

Meeting abstract presented at VSS 2013


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