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Identifying sources of configurality in three face processing tasks.

Mestry, N., Menneer, T., Wenger, M.J. and Donnelly, N., 2012. Identifying sources of configurality in three face processing tasks. Frontiers in Psychology, 3, 456.

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Mestry, Menneer, Wenger, & Donnelly (2012).pdf - Published Version
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DOI: 10.3389/fpsyg.2012.00456


Participants performed three feature-complete face processing tasks involving detection of changes in: (1) feature size and (2) feature identity in successive matching tasks, and (3) feature orientation. In each experiment, information in the top (eyes) and bottom (mouths) parts of faces were manipulated. All tasks were performed with upright and inverted faces. Data were analyzed first using group-based analysis of signal detection measures (sensitivity and bias), and second using analysis of multidimensional measures of sensitivity and bias along with probit regression models in order to draw inferences about independence and separability as defined within general recognition theory (Ashby and Townsend, 1986). The results highlighted different patterns of perceptual and decisional influences across tasks and orientations. There was evidence of orientation specific configural effects (violations of perceptual independence, perceptual seperability and decisional separabilty) in the Feature Orientation Task. For the Feature Identity Task there were orientation specific performance effects and there was evidence of configural effects (violations of decisional separability) in both orientations. Decisional effects are consistent with previous research (Wenger and Ingvalson, 2002, 2003; Richler et al., 2008; Cornes et al., 2011). Crucially, the probit analysis revealed violations of perceptual independence that remain undetected by marginal analysis.

Item Type:Article
Uncontrolled Keywords:configural processing; face processing; faces; general recognition theory; inversion; perceptual independence
Group:Faculty of Science & Technology
ID Code:31898
Deposited By: Symplectic RT2
Deposited On:26 Feb 2019 16:55
Last Modified:14 Mar 2022 14:15


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