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Recognizing and identifying people: A neuropsychological review
Jason J S Barton1, Sherryse L Corrow1
1Human Vision and Eye Movement Laboratory, Department of Medicine (Neurology), Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, Canada; Human Vision and Eye Movement Laboratory, Department of Psychology, University of British Columbia, Vancouver, Canada.
Summary
Neuropsychological studies on person recognition reveal evidence for distinct familiarity processing for faces, voices, and names. However, evidence for dissociations in linking person information after brain lesions remains limited, highlighting research gaps.
Area of Science:
- Cognitive Neuroscience
- Neuropsychology
- Human Recognition
Background:
- Person recognition is a complex cognitive function involving multiple processing stages and parallel information routes.
- Neuropsychological case reports offer valuable insights into person recognition models, but data quality and scope vary significantly.
Purpose of the Study:
- To review the requirements for neuropsychological evidence supporting models of person recognition.
- To assess the current evidence regarding dissociations in familiarity processing (faces, voices, names).
- To evaluate evidence for or against differential effects of lesions on linking diverse person information (e.g., face, voice, name, biographic data).
Main Methods:
- Literature review of neuropsychological studies on person recognition.
- Analysis of evidence for dissociations in familiarity processing.
- Examination of evidence for dissociations in linking different types of person information.
Main Results:
- There is substantial evidence supporting dissociations in familiarity processing for faces, voices, and names.
- Evidence regarding differential impairments in linking various sources of person information (e.g., face, voice, name) is inconclusive.
- Current literature shows deficiencies that need to be addressed in future research designs.
Conclusions:
- The review supports the existence of distinct processing for familiarity across different person information modalities.
- The organization of semantic knowledge in person recognition (distributed vs. person-hub models) remains poorly understood due to limited evidence on linkage dissociations.
- Future research should focus on designing studies to better investigate the dissociation of person information linkages.
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