A case of prosopagnosia following moderate closed head injury with left hemisphere focal lesion

Audrey J. Mattson, Harvey S. Levin*, Jordan Grafman

*Corresponding author for this work

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

This study describes a left handed woman with prosopagnosia following traumatic brain injury with a focal lesion confined to the left-posterior hemisphere. Few cases of prosopagnosia following unilateral left hemisphere lesions have previously been reported in the literature. Corrected visual acuity was 20/70 (binocular), color vision was intact on screening, and shape detection was borderline. Impairments in higher order visual perception were evident to varying degrees on nonfacial tasks. Matching of unfamiliar faces was very slow but accurate. A marked impairment in the ability to recognize familiar faces and learn new face-name associations was evident on experimental tasks relative to the performance of healthy control subjects. In contrast, identification of characteristics of faces (gender, age) and identification and matching of facial expressions were relatively preserved. We discuss the cognitive processing stages that appear to be disrupted using Bruce and Young's model of facial recognition and perception as a framework.

Original languageEnglish (US)
Pages (from-to)125-137
Number of pages13
JournalCortex
Volume36
Issue number1
DOIs
StatePublished - Jan 1 2000

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Prosopagnosia
Closed Head Injuries
Binocular Vision
Color Vision
Visual Perception
Facial Expression
Aptitude
Visual Acuity
Names
Healthy Volunteers

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

Cite this

Mattson, Audrey J. ; Levin, Harvey S. ; Grafman, Jordan. / A case of prosopagnosia following moderate closed head injury with left hemisphere focal lesion. In: Cortex. 2000 ; Vol. 36, No. 1. pp. 125-137.
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A case of prosopagnosia following moderate closed head injury with left hemisphere focal lesion. / Mattson, Audrey J.; Levin, Harvey S.; Grafman, Jordan.

In: Cortex, Vol. 36, No. 1, 01.01.2000, p. 125-137.

Research output: Contribution to journalArticle

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