Time Course of Cultural Differences in Spatial Frequency Use for Face Identification

Abstract Several previous studies of eye movements have put forward that, during face recognition, Easterners spread their attention across a greater part of their visual field than Westerners. Recently, we found that culture’s effect on the perception of faces reaches mechanisms deeper than eye mov...

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Autores principales:	Amanda Estéphan, Daniel Fiset, Camille Saumure, Marie-Pier Plouffe-Demers, Ye Zhang, Dan Sun, Caroline Blais
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/687614e2b85547be9bf76e2916ee5ad1
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spelling	oai:doaj.org-article:687614e2b85547be9bf76e2916ee5ad12021-12-02T15:08:25ZTime Course of Cultural Differences in Spatial Frequency Use for Face Identification10.1038/s41598-018-19971-12045-2322https://doaj.org/article/687614e2b85547be9bf76e2916ee5ad12018-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-19971-1https://doaj.org/toc/2045-2322Abstract Several previous studies of eye movements have put forward that, during face recognition, Easterners spread their attention across a greater part of their visual field than Westerners. Recently, we found that culture’s effect on the perception of faces reaches mechanisms deeper than eye movements, therefore affecting the very nature of information sampled by the visual system: that is, Westerners globally rely more than Easterners on fine-grained visual information (i.e. high spatial frequencies; SFs), whereas Easterners rely more on coarse-grained visual information (i.e. low SFs). These findings suggest that culture influences basic visual processes; however, the temporal onset and dynamics of these culture-specific perceptual differences are still unknown. Here, we investigate the time course of SF use in Western Caucasian (Canadian) and East Asian (Chinese) observers during a face identification task. Firstly, our results confirm that Easterners use relatively lower SFs than Westerners, while the latter use relatively higher SFs. More importantly, our results indicate that these differences arise as early as 34 ms after stimulus onset, and remain stable through time. Our research supports the hypothesis that Westerners and Easterners initially rely on different types of visual information during face processing.Amanda EstéphanDaniel FisetCamille SaumureMarie-Pier Plouffe-DemersYe ZhangDan SunCaroline BlaisNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-14 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Amanda Estéphan Daniel Fiset Camille Saumure Marie-Pier Plouffe-Demers Ye Zhang Dan Sun Caroline Blais Time Course of Cultural Differences in Spatial Frequency Use for Face Identification
description	Abstract Several previous studies of eye movements have put forward that, during face recognition, Easterners spread their attention across a greater part of their visual field than Westerners. Recently, we found that culture’s effect on the perception of faces reaches mechanisms deeper than eye movements, therefore affecting the very nature of information sampled by the visual system: that is, Westerners globally rely more than Easterners on fine-grained visual information (i.e. high spatial frequencies; SFs), whereas Easterners rely more on coarse-grained visual information (i.e. low SFs). These findings suggest that culture influences basic visual processes; however, the temporal onset and dynamics of these culture-specific perceptual differences are still unknown. Here, we investigate the time course of SF use in Western Caucasian (Canadian) and East Asian (Chinese) observers during a face identification task. Firstly, our results confirm that Easterners use relatively lower SFs than Westerners, while the latter use relatively higher SFs. More importantly, our results indicate that these differences arise as early as 34 ms after stimulus onset, and remain stable through time. Our research supports the hypothesis that Westerners and Easterners initially rely on different types of visual information during face processing.
format	article
author	Amanda Estéphan Daniel Fiset Camille Saumure Marie-Pier Plouffe-Demers Ye Zhang Dan Sun Caroline Blais
author_facet	Amanda Estéphan Daniel Fiset Camille Saumure Marie-Pier Plouffe-Demers Ye Zhang Dan Sun Caroline Blais
author_sort	Amanda Estéphan
title	Time Course of Cultural Differences in Spatial Frequency Use for Face Identification
title_short	Time Course of Cultural Differences in Spatial Frequency Use for Face Identification
title_full	Time Course of Cultural Differences in Spatial Frequency Use for Face Identification
title_fullStr	Time Course of Cultural Differences in Spatial Frequency Use for Face Identification
title_full_unstemmed	Time Course of Cultural Differences in Spatial Frequency Use for Face Identification
title_sort	time course of cultural differences in spatial frequency use for face identification
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/687614e2b85547be9bf76e2916ee5ad1
work_keys_str_mv	AT amandaestephan timecourseofculturaldifferencesinspatialfrequencyuseforfaceidentification AT danielfiset timecourseofculturaldifferencesinspatialfrequencyuseforfaceidentification AT camillesaumure timecourseofculturaldifferencesinspatialfrequencyuseforfaceidentification AT mariepierplouffedemers timecourseofculturaldifferencesinspatialfrequencyuseforfaceidentification AT yezhang timecourseofculturaldifferencesinspatialfrequencyuseforfaceidentification AT dansun timecourseofculturaldifferencesinspatialfrequencyuseforfaceidentification AT carolineblais timecourseofculturaldifferencesinspatialfrequencyuseforfaceidentification
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Time Course of Cultural Differences in Spatial Frequency Use for Face Identification

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