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Developmental phonagnosia: A selective deficit of vocal identity recognition

Garrido, L; Eisner, F; McGettigan, C; Stewart, L; Sauter, D; Hanley, JR; ... Duchaine, B; + view all (2009) Developmental phonagnosia: A selective deficit of vocal identity recognition. NEUROPSYCHOLOGIA , 47 (1) 123 - 131. 10.1016/j.neuropsychologia.2008.08.003.

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Abstract

Phonagnosia, the inability to recognize familiar voices, has been studied in brain-damaged patients but no cases due to developmental problems have been reported. Here we describe the case of KH, a 60-year-old active professional woman who reports that she has always experienced severe voice recognition difficulties. Her hearing abilities are normal, and an MRI scan showed no evidence of brain damage in regions associated with voice or auditory perception. To better understand her condition and to assess models of voice and high-level auditory processing, we tested KH on behavioural tasks measuring voice recognition, recognition of vocal emotions, face recognition, speech perception, and processing of environmental sounds and music. KH was impaired on tasks requiring the recognition of famous voices and the learning and recognition of new voices. In contrast, she performed well on nearly all other tasks. Her case is the first report of developmental phonagnosia, and the results suggest that the recognition of a speaker's vocal identity depends on separable mechanisms from those used to recognize other information from the voice or non-vocal auditory stimuli. (C) 2008 Elsevier Ltd. All rights reserved.

Type:Article
Title:Developmental phonagnosia: A selective deficit of vocal identity recognition
DOI:10.1016/j.neuropsychologia.2008.08.003
Keywords:Phonagnosia, Voice recognition, Voice perception, Developmental disorders, UNDERSTANDING FACE RECOGNITION, CONGENITAL PROSOPAGNOSIA, VOICE RECOGNITION, DYSLEXIA, PERCEPTION, BRAIN, DISSOCIATIONS, MECHANISMS, FAMILIAR, SPEECH
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Psychology and Language Sciences (Division of) > Institute of Cognitive Neuroscience
UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Neurology > Neurodegenerative Diseases
UCL > School of Life and Medical Sciences > Faculty of Life Sciences

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