Perceptual and decisional factors influencing the discrimination of inversion in the Thatcher illusion.
Cornes, K., Donnelly, N., Godwin, H.J. and Wenger, M.J. (2010) Perceptual and decisional factors influencing the discrimination of inversion in the Thatcher illusion. Journal of Experimental Psychology: Human Perception and Performance.
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Recent research has shown that the results of tasks used to demonstrate configural processing of faces (e.g. interference effects in the recognition of composite faces) can be explained solely by changes in decision criterion (e.g. Richler et al., 2008). In this experiment, we employed a complete identification paradigm in conjunction with analyses based on General Recognition Theory (Ashby & Townsend, 1986) to examine whether the Thatcher illusion (Thompson, 1980) is underpinned by perceptual and/or decisional dependencies between features. On every trial, participants judged the orientation of the eyes, mouth and face outline. The data highlighted violations of perceptual and decisional separability and perceptual independence. We therefore conclude that perception of the Thatcher illusion is underpinned by both perceptual and decisional dependencies between eyes and mouths and between the internal features and the face context.
|Subjects:||Q Science > QP Physiology|
|Divisions:||University Structure - Pre August 2011 > School of Psychology > Division of Cognition
|Date Deposited:||27 Apr 2010 13:30|
|Last Modified:||24 Aug 2012 00:10|
|Contributors:||Cornes, K. (Author)
Donnelly, N. (Author)
Godwin, H.J. (Author)
Wenger, M.J. (Author)
|Date:||23 April 2010|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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