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Carla J. Dance, Graham Hole, Julia Simner
(2023).
The role of visual imagery in face recognition and the construction of facial composites. Evidence from Aphantasia.
Cortex, 167, 318-334.
Elsevier BV.
- Publication date
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October 2023
- Identifier
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10.1016/j.cortex.2023.06.015
- Authors
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Carla J. Dance,
Graham Hole,
Julia Simner
- Source
- Cortex
- Details
- 167, 318-334
- Reference type
- article
- Publisher
- Elsevier BV
- Metadata source
- crossref
Abstract
People with aphantasia have a markedly impaired ability to form visual images in the mind's eye. Here, by testing people with and without aphantasia, we examine the relationship between visual imagery and face processing. We show that aphantasics have weaker face recognition than people with visual imagery, using both self-report (Prosopagnosia Index) and behavioural measures (Cambridge Face Memory Test). However, aphantasics nonetheless have a fully intact ability to construct facial composites from memory (i.e., composites produced using EFIT6 by aphantasics and imagers were rated as equally accurate in terms of their resemblance to a target face). Additionally, we show that aphantasics were less able than imagers to see the resemblance between composites and a target face, suggestive of potential issues with face matching (perception). Finally, we show that holistic and featural methods of composite construction using EFIT6 produce equally accurate composites. Our results suggest that face recognition, but not face composite construction, is facilitated by the ability to represent visual properties as 'pictures in the mind'. Our findings have implications for the study of aphantasia, and also for forensic settings, where face composite systems are commonly used to aid criminal investigations.
Study authors in this cited reference