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The 20 item prosopagnosia index (PI20): relationship with the Glasgow face-matching test.


ABSTRACT: The 20 item prosopagnosia index (PI20) was recently developed to identify individuals with developmental prosopagnosia. While the PI20's principal purpose is to aid researchers and clinicians, it was suggested that it may serve as a useful screening tool to identify people with face recognition difficulties in applied settings where face matching is a critical part of their occupation. Although the PI20 has been validated using behavioural measures of face recognition, it has yet to be validated against a measure of face-matching ability that is more representative of applied settings. In this study, the PI20 was therefore administered with the Glasgow face-matching test (GFMT). A strong correlation was observed between PI20 and GFMT scores, providing further validation for the PI20, indicating that it is likely to be of value in applied settings.

SUBMITTER: Shah P 

PROVIDER: S-EPMC4680610 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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The 20 item prosopagnosia index (PI20): relationship with the Glasgow face-matching test.

Shah Punit P   Sowden Sophie S   Gaule Anne A   Catmur Caroline C   Bird Geoffrey G  

Royal Society open science 20151104 11


The 20 item prosopagnosia index (PI20) was recently developed to identify individuals with developmental prosopagnosia. While the PI20's principal purpose is to aid researchers and clinicians, it was suggested that it may serve as a useful screening tool to identify people with face recognition difficulties in applied settings where face matching is a critical part of their occupation. Although the PI20 has been validated using behavioural measures of face recognition, it has yet to be validated  ...[more]

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