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  Behavioral evidence for a predominant and nonlateralized coarse-to-fine encoding for face categorization

de Moraes, R., Kauffmann, L., Fukusima, S. S., & Faubert, J. (2016). Behavioral evidence for a predominant and nonlateralized coarse-to-fine encoding for face categorization. Psychology & Neuroscience, 9(4), 399-410. doi:10.1037/pne0000065.

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 Creators:
de Moraes, Rui1, Author
Kauffmann, Louise2, 3, Author              
Fukusima, Sérgio S.1, Author
Faubert, Jocelyn4, Author
Affiliations:
1Department of Psychology, University of São Paulo, Brazil, ou_persistent22              
2Université Grenoble Alpes, France, ou_persistent22              
3Max Planck Research Group Neural Mechanisms of Human Communication, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634556              
4School of Optometry, University of Montréal, QC, Canada, ou_persistent22              

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Free keywords: Coarse-to-fine; Fine-to-coarse; Face perception; Spatial frequency; Hemispheric specialization
 Abstract: Influential models on visual perception assume that there is a precedence of low over high spatial frequencies (SFs) in the processing time course of the visual input, that is, a coarse-to-fine (CtF) encoding. Additionally, hemispheric asymmetries for strategies of SF processing have been shown. A CtF processing would be favored in the right hemisphere, whereas the reverse fine-to-coarse (FtC) processing would be favored in the left hemisphere. In the current article, we aimed to behaviorally investigate which temporal strategy, that is, CtF or FtC, each brain hemisphere performs to integrate SF information of human faces. To address this issue, we conducted a male–female categorization task using the divided visual field paradigm; CtF and FtC brief dynamic sequences of faces were presented in the left, right, and central visual fields. Results of the correct response time and the inverse efficiency score showed an overall advantage of CtF processing for face categorization, irrespective of the visual field of presentation. Error rate data also highlights the role of the right hemisphere in CtF processing. Here, we provide evidence at the behavioral level for a general and nonlateralized precedence of the default CtF strategy carried out by the visual system to encode faces, a complex stimulus with ecological value.

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Language(s): eng - English
 Dates: 2016-08-192016-03-102016-09-012016-10-202016-12
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1037/pne0000065
 Degree: -

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Title: Psychology & Neuroscience
  Other : Psychology and Neuroscience
Source Genre: Journal
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Publ. Info: Rio De Janeiro : Departamento de Psicologia
Pages: - Volume / Issue: 9 (4) Sequence Number: - Start / End Page: 399 - 410 Identifier: ISSN: 1983-3288
CoNE: https://pure.mpg.de/cone/journals/resource/1983-3288