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The neural representation of personally familiar and unfamiliar faces in the distributed system for face perception

View ORCID ProfileMatteo Visconti di Oleggio Castello, View ORCID ProfileYaroslav O. Halchenko, View ORCID ProfileJ. Swaroop Guntupalli, Jason D. Gors, View ORCID ProfileM. Ida Gobbini
doi: https://doi.org/10.1101/138297
Matteo Visconti di Oleggio Castello
1Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH 03755, USA
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  • ORCID record for Matteo Visconti di Oleggio Castello
  • For correspondence: mariaida.gobbini@unibo.it mvdoc.gr@dartmouth.edu yoh@dartmouth.edu
Yaroslav O. Halchenko
1Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH 03755, USA
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  • For correspondence: mariaida.gobbini@unibo.it mvdoc.gr@dartmouth.edu yoh@dartmouth.edu
J. Swaroop Guntupalli
1Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH 03755, USA
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Jason D. Gors
1Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH 03755, USA
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M. Ida Gobbini
1Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH 03755, USA
2Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale (DIMES), Medical School, University of Bologna, Bologna, Italy
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  • For correspondence: mariaida.gobbini@unibo.it mvdoc.gr@dartmouth.edu yoh@dartmouth.edu
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Abstract

Personally familiar faces are processed more robustly and efficiently than unfamiliar faces. The human face processing system comprises a core system that analyzes the visual appearance of faces and an extended system for the retrieval of person-knowledge and other nonvisual information. We applied multivariate pattern analysis to fMRI data to investigate aspects of familiarity that are shared by all familiar identities and information that distinguishes specific face identities from each other. Both identity-independent familiarity information and face identity could be decoded in an overlapping set of areas in the core and extended systems. Representational similarity analysis revealed a clear distinction between the two systems and a subdivision of the core system into ventral, dorsal and anterior components. This study provides evidence that activity in the extended system carries information about both individual identities and personal familiarity, while clarifying and extending the organization of the core system for face perception.

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Posted May 15, 2017.
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The neural representation of personally familiar and unfamiliar faces in the distributed system for face perception
Matteo Visconti di Oleggio Castello, Yaroslav O. Halchenko, J. Swaroop Guntupalli, Jason D. Gors, M. Ida Gobbini
bioRxiv 138297; doi: https://doi.org/10.1101/138297
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The neural representation of personally familiar and unfamiliar faces in the distributed system for face perception
Matteo Visconti di Oleggio Castello, Yaroslav O. Halchenko, J. Swaroop Guntupalli, Jason D. Gors, M. Ida Gobbini
bioRxiv 138297; doi: https://doi.org/10.1101/138297

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