Towler, John and Eimer, Martin (2015) Early stages of perceptual face processing are confined to the contralateral hemisphere: evidence from the N170 component. Cortex 64 , pp. 89-101. ISSN 0010-9452.
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Abstract
High-level visual object processing is often assumed to be largely position-independent. Here we demonstrate that when faces and non-face objects simultaneously appear in opposite visual hemifields, the face-sensitive N170 component of the event-related brain potential (ERP) is exclusively generated in the contralateral hemisphere. The effects of face inversion on N170 amplitudes and latencies also show strong contralateral biases. These results reveal that retinotopic biases in low-level visual cortex extend well into category-selective high-level vision. We suggest that the contralateral organisation of face-sensitive visual processing results from generic competitive interactions between hemispheres during the simultaneous perception of visual objects.
Metadata
| Item Type: | Article |
|---|---|
| Keyword(s) / Subject(s): | Face perception, N170, Retinotopic, Category-selective, Competition, Ventral pathway |
| School: | Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences |
| Depositing User: | Administrator |
| Date Deposited: | 05 Nov 2014 12:34 |
| Last Modified: | 02 Aug 2023 17:13 |
| URI: | https://eprints.bbk.ac.uk/id/eprint/10909 |
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