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Research Article

First report of prevalence of non‐syndromic hereditary prosopagnosia (HPA)*

Ingo Kennerknecht

Corresponding Author

E-mail address:kennerk@uni‐muenster.de

Institute of Human Genetics, Westfälische Wilhelms‐Universität, Münster, Germany

Institute of Human Genetics, University of Muenster, Vesaliusweg 12–14, D‐48149 Münster, Germany.
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Thomas Grueter

Nottulner Landweg, Münster, Germany

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Brigitte Welling

Institute of Human Genetics, Westfälische Wilhelms‐Universität, Münster, Germany

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Sebastian Wentzek

Institute of Human Genetics, Westfälische Wilhelms‐Universität, Münster, Germany

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Jürgen Horst

Institute of Human Genetics, Westfälische Wilhelms‐Universität, Münster, Germany

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Steve Edwards

Department of Psychology, Zululand University, KwaDlangezwa, South Africa

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Martina Grueter

Institute of Human Genetics, Westfälische Wilhelms‐Universität, Münster, Germany

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First published: 30 June 2006
Cited by: 110
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How to cite this article: Kennerknecht I, Grueter T, Welling B, Wentzek S, Horst J, Edwards S, Grueter M. 2006. First report of prevalence of non‐syndromic hereditary prosopagnosia (HPA). Am J Med Genet Part A 140A:1617–1622.

Abstract

Acquired prosopagnosia (PA) is a rare condition after, for example, a stroke or brain injury. The congenital form of PA is generally considered to be even less common. Beside a few single case reports and anecdotal mentioning of familial cases no data on the epidemiology exists. Following a questionnaire‐based screening in local secondary schools and at our medical faculty, candidates suspicious for PA underwent a semi‐structured interview followed by examinations of first degree relatives. Among 689 local pupils and medical students of our university we found 17 with congenital PA. This corresponds to a prevalence rate of 2.47% (95% CI 1.31–3.63). The frequency is among the highest known for a monogenic disorder. All those index subjects (n = 14) of the target group who agreed to further examinations of their family members had other first degree relatives with the same cognitive disorder. This study provides epidemiological evidence that congenital PA is a very common cognitive disorder which almost always runs in families. The segregation pattern of this hereditary prosopagnosia (HPA) is fully compatible with autosomal dominant inheritance. © 2006 Wiley‐Liss, Inc.

Number of times cited: 110

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