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Face recognition impairments despite normal holistic processing and face space coding : evidence from a case of developmental prosopagnosia

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/175279

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Title: Face recognition impairments despite normal holistic processing and face space coding : evidence from a case of developmental prosopagnosia
Related: Cognitive neuropsychology, Vol. 27, Issue 8, (2010), p.636-664
DOI: 10.1080/02643294.2011.613372
Publisher: Taylor & Francis
Date: 2010
Author/Creator: Susilo, Tirta
Author/Creator: McKone, Elinor
Author/Creator: Rhodes, Gillian
Author/Creator: Dennett, Hugh
Author/Creator: Darke, Hayley
Author/Creator: Palermo, Romina
Author/Creator: Hall, Ashleigh
Author/Creator: Pidcock, Madeleine
Author/Creator: Dawel, Amy
Author/Creator: Jeffery, Linda
Author/Creator: Wilson, C. Ellie
Description: Holistic processing and face space coding are widely considered primary perceptual mechanisms behind good face recognition. Here, however, we present the case of S.P., a developmental prosopagnosic who demonstrated severe impairments in face memory and face perception, yet showed normal holistic processing and face space coding. Across three composite experiments, S.P. showed normal-strength holistic processing for upright faces and no composite effect for inverted faces. Across five aftereffect experiments, S.P. showed normal-sized face aftereffects, which derived normally from face space rather than shape-generic mechanisms. The case of S.P. implies: (a) normal holistic processing and face space coding can be insufficient for good face recognition even when present in combination; and (b) the focus of recent literature on holistic processing and face space should be expanded to include other potential face processing mechanisms (e.g., part-based processing). Our article also highlights the importance of internal task reliability in drawing inferences from single-case studies.
Description: 29 page(s)
Subject Keyword: Face perception
Subject Keyword: Face recognition
Subject Keyword: Developmental prosopagnosia
Subject Keyword: Holistic processing
Subject Keyword: Face space
Subject Keyword: Composite effect
Subject Keyword: Face adaptation
Subject Keyword: Face aftereffect
Resource Type: journal article
Organisation: Macquarie University. Macquarie Centre for Cognitive Science

Identifier: http://hdl.handle.net/1959.14/175279
Identifier: ISSN:0264-3294
Identifier: mq_res-20120625-155650
Language: eng
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