The Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms

Abstract When normal faces are rapidly presented in the visual periphery, they are perceived as grotesque and distorted. This phenomenon, “The flashed-face distortion effect” (FFDE) is a powerful illusion that may reveal important properties of how faces are coded in peripheral vision. Despite the s...

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Autores principales:	Benjamin Balas, Hannah Pearson
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/51e8d9a3732345fa90977772f7a1857d
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spelling	oai:doaj.org-article:51e8d9a3732345fa90977772f7a1857d2021-12-02T16:08:05ZThe Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms10.1038/s41598-018-37991-92045-2322https://doaj.org/article/51e8d9a3732345fa90977772f7a1857d2019-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-37991-9https://doaj.org/toc/2045-2322Abstract When normal faces are rapidly presented in the visual periphery, they are perceived as grotesque and distorted. This phenomenon, “The flashed-face distortion effect” (FFDE) is a powerful illusion that may reveal important properties of how faces are coded in peripheral vision. Despite the strength of the illusion (and its popularity), there has been almost no follow-up work to examine what governs the strength of the illusion or to develop a clear account of its phenomenology. Presently, our goal was to address this by manipulating aspects of facial appearance and spatial/temporal properties of the flashed-face stimulus to determine what factors modulate the illusion’s strength. In three experiments, we investigated the extent to which local contrast (operationalized by the presence or absence of makeup), image eccentricity, image size, face inversion, and presentation rate of images within the sequence each contributed to the strength of the FFDE. We found that some of these factors (eccentricity and presentation rate) mattered a great deal, while others (makeup, face inversion and image size) made little contribution to the strength of the FFDE. We discuss the implications of these results for a mechanistic account of the FFDE, and suggest several avenues for future research based on this compelling visual illusion.Benjamin BalasHannah PearsonNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-11 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Benjamin Balas Hannah Pearson The Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms
description	Abstract When normal faces are rapidly presented in the visual periphery, they are perceived as grotesque and distorted. This phenomenon, “The flashed-face distortion effect” (FFDE) is a powerful illusion that may reveal important properties of how faces are coded in peripheral vision. Despite the strength of the illusion (and its popularity), there has been almost no follow-up work to examine what governs the strength of the illusion or to develop a clear account of its phenomenology. Presently, our goal was to address this by manipulating aspects of facial appearance and spatial/temporal properties of the flashed-face stimulus to determine what factors modulate the illusion’s strength. In three experiments, we investigated the extent to which local contrast (operationalized by the presence or absence of makeup), image eccentricity, image size, face inversion, and presentation rate of images within the sequence each contributed to the strength of the FFDE. We found that some of these factors (eccentricity and presentation rate) mattered a great deal, while others (makeup, face inversion and image size) made little contribution to the strength of the FFDE. We discuss the implications of these results for a mechanistic account of the FFDE, and suggest several avenues for future research based on this compelling visual illusion.
format	article
author	Benjamin Balas Hannah Pearson
author_facet	Benjamin Balas Hannah Pearson
author_sort	Benjamin Balas
title	The Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms
title_short	The Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms
title_full	The Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms
title_fullStr	The Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms
title_full_unstemmed	The Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms
title_sort	flashed face distortion effect does not depend on face-specific mechanisms
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/51e8d9a3732345fa90977772f7a1857d
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The Flashed Face Distortion Effect Does Not Depend on Face-Specific Mechanisms

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