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Face processing is enhanced in the left and upper visual hemi-fields.

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Title: Face processing is enhanced in the left and upper visual hemi-fields.
Authors: Carlei, Christophe (AUTHOR), Framorando, David (AUTHOR), Burra, Nicolas (AUTHOR), Kerzel, Dirk (AUTHOR)
Source: Visual Cognition. Aug/Sep2017, Vol. 25 Issue 7/8, p749-761. 13p.
Subjects: Face perception testing, Visual perception testing, Recognition (Psychology), Gaze & psychology, Analysis of variance
Abstract: We tested whether two known hemi-field asymmetries would affect visual search with face stimuli. Holistic processing of spatial configurations is better in the left hemi-field, reflecting a right hemisphere specialization, and object recognition is better in the upper visual field, reflecting stronger projections into the ventral stream. Faces tap into holistic processing and object recognition at the same time, which predicts better performance in the left and upper hemifield, respectively. In the first experiment, participants had to detect a face with a gaze direction different from the remaining faces. Participants were faster to respond when targets were presented in the left and upper hemi-field. The same pattern of results was observed when only the eye region was presented. In the second experiment, we turned the faces upside-down, which eliminated the typical spatial configuration of faces. The left hemi-field advantage disappeared, showing that it is related to holistic processing of faces, whereas the upper hemifield advantage related to object recognition persisted. Finally, we made the search task easier by asking observers to search for a face with open among closed eyes or vice versa. The easy search task eliminated the need for complex object recognition and, accordingly, the advantage of the upper visual field disappeared. Similarly, the left hemi-field advantage was attenuated. In sum, our findings show that both horizontal and vertical asymmetries affect the search for faces and can be selectively suppressed by changing characteristics of the stimuli. [ABSTRACT FROM AUTHOR]
Copyright of Visual Cognition is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Face processing is enhanced in the left and upper visual hemi-fields.
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  Data: <searchLink fieldCode="AR" term="%22Carlei%2C+Christophe%22">Carlei, Christophe</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Framorando%2C+David%22">Framorando, David</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Burra%2C+Nicolas%22">Burra, Nicolas</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kerzel%2C+Dirk%22">Kerzel, Dirk</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Visual+Cognition%22">Visual Cognition</searchLink>. Aug/Sep2017, Vol. 25 Issue 7/8, p749-761. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Face+perception+testing%22">Face perception testing</searchLink><br /><searchLink fieldCode="DE" term="%22Visual+perception+testing%22">Visual perception testing</searchLink><br /><searchLink fieldCode="DE" term="%22Recognition+%28Psychology%29%22">Recognition (Psychology)</searchLink><br /><searchLink fieldCode="DE" term="%22Gaze+%26+psychology%22">Gaze & psychology</searchLink><br /><searchLink fieldCode="DE" term="%22Analysis+of+variance%22">Analysis of variance</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We tested whether two known hemi-field asymmetries would affect visual search with face stimuli. Holistic processing of spatial configurations is better in the left hemi-field, reflecting a right hemisphere specialization, and object recognition is better in the upper visual field, reflecting stronger projections into the ventral stream. Faces tap into holistic processing and object recognition at the same time, which predicts better performance in the left and upper hemifield, respectively. In the first experiment, participants had to detect a face with a gaze direction different from the remaining faces. Participants were faster to respond when targets were presented in the left and upper hemi-field. The same pattern of results was observed when only the eye region was presented. In the second experiment, we turned the faces upside-down, which eliminated the typical spatial configuration of faces. The left hemi-field advantage disappeared, showing that it is related to holistic processing of faces, whereas the upper hemifield advantage related to object recognition persisted. Finally, we made the search task easier by asking observers to search for a face with open among closed eyes or vice versa. The easy search task eliminated the need for complex object recognition and, accordingly, the advantage of the upper visual field disappeared. Similarly, the left hemi-field advantage was attenuated. In sum, our findings show that both horizontal and vertical asymmetries affect the search for faces and can be selectively suppressed by changing characteristics of the stimuli. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Visual Cognition is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/13506285.2017.1327466
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        Text: English
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      – SubjectFull: Recognition (Psychology)
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              Text: Aug/Sep2017
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