How distinct is the coding of face identity and expression? Evidence for some common dimensions in face space

Rhodes, Gillian, Pond, Stephen, Burton, Nichola, Kloth, Nadine, Jeffery, Linda, Bell, Jason, Ewing, Louise, Calder, Andrew and Palermo, Romina (2015) How distinct is the coding of face identity and expression? Evidence for some common dimensions in face space. Cognition, 142. 123 - 137. ISSN 0010-0277

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Abstract

Traditional models of face perception emphasize distinct routes for processing face identity and expression. These models have been highly influential in guiding neural and behavioural research on the mechanisms of face perception. However, it is becoming clear that specialised brain areas for coding identity and expression may respond to both attributes and that identity and expression perception can interact. Here we use perceptual aftereffects to demonstrate the existence of dimensions in perceptual face space that code both identity and expression, further challenging the traditional view. Specifically, we find a significant positive association between face identity aftereffects and expression aftereffects, which dissociates from other face (gaze) and non-face (tilt) aftereffects. Importantly, individual variation in the adaptive calibration of these common dimensions significantly predicts ability to recognize both identity and expression. These results highlight the role of common dimensions in our ability to recognize identity and expression, and show why the high-level visual processing of these attributes is not entirely distinct.

Item Type: Article
Uncontrolled Keywords: face perception,face aftereffects,adaptive coding,face recognition
Faculty \ School: Faculty of Social Sciences > School of Psychology
Depositing User: Pure Connector
Date Deposited: 25 Feb 2016 14:00
Last Modified: 31 Oct 2019 14:45
URI: https://ueaeprints.uea.ac.uk/id/eprint/57279
DOI: 10.1016/j.cognition.2015.05.012

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