Objective Patterns of Face Recognition Deficits in 165 Adults with Self-Reported Developmental Prosopagnosia

Bate, Sarah, Bennetts, Rachel J, Gregory, Nicola, Tree, Jeremy J, Murray, Ebony ORCID: 0000-0003-4928-5871, Adams, Amanda, Bobak, Anna K, Penton, Tegan, Yang, Tao and Banissy, Michael J (2019) Objective Patterns of Face Recognition Deficits in 165 Adults with Self-Reported Developmental Prosopagnosia. Brain Sciences, 9 (6). p. 133. doi:10.3390/brainsci9060133

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Abstract

In the last 15 years, increasing numbers of individuals have self-referred to research laboratories in the belief that they experience severe everyday difficulties with face recognition. The condition “developmental prosopagnosia” (DP) is typically diagnosed when impairment is identified on at least two objective face-processing tests, usually involving assessments of face perception, unfamiliar face memory, and famous face recognition. While existing evidence suggests that some individuals may have a mnemonic form of prosopagnosia, it is also possible that other subtypes exist. The current study assessed 165 adults who believe they experience DP, and 38% of the sample were impaired on at least two of the tests outlined above. While statistical dissociations between face perception and face memory were only observed in four cases, a further 25% of the sample displayed dissociations between impaired famous face recognition and intact short-term unfamiliar face memory and face perception. We discuss whether this pattern of findings reflects (a) limitations within dominant diagnostic tests and protocols, (b) a less severe form of DP, or (c) a currently unrecognized but prevalent form of the condition that affects long-term face memory, familiar face recognition or semantic processing.

Item Type:	Article
Article Type:	Article
Additional Information:	This article belongs to the Special Issue The Development of Face Processing: Insights from Typical and Atypical Functioning
Uncontrolled Keywords:	prosopagnosia; face recognition; face perception; individual differences
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Divisions:	Schools and Research Institutes > School of Education and Science
Research Priority Areas:	Health, Life Sciences, Sport and Wellbeing
Depositing User:	Anne Pengelly
Date Deposited:	19 Nov 2019 12:59
Last Modified:	31 Aug 2023 09:04
URI:	https://eprints.glos.ac.uk/id/eprint/7617

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