Eccentricity bias as an organizing principle for human high-order object areas

Uri Hasson, Ifat Levy, Marlene Behrmann, Talma Hendler, Rafael Malach

Research output: Contribution to journalArticlepeer-review

407 Scopus citations


We have recently proposed a center-periphery organization based on resolution needs, in which objects engaging in recognition processes requiring central-vision (e.g., face-related) are associated with center-biased representations, while objects requiring large-scale feature integration (e.g., buildings) are associated with periphery-biased representations. Here we tested this hypothesis by comparing the center-periphery organization with activations to five object categories: faces, buildings, tools, letter strings, and words. We found that faces, letter strings, and words were mapped preferentially within the center-biased representation. Faces showed a hemispheric lateralization opposite to that of letter strings and words. In contrast, buildings were mapped mainly to the periphery-biased representation, while tools activated both central and peripheral representations. The results are compatible with the notion that center-periphery organization allows the optimal allocation of cortical magnification to the specific requirements of various recognition processes.

Original languageEnglish (US)
Pages (from-to)479-490
Number of pages12
Issue number3
StatePublished - Apr 25 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Neuroscience


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