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  Two cases of selective developmental voice-recognition impairments

Roswandowitz, C., Mathias, S. R., Hintz, F., Kreitewolf, J., Schelinski, S., & von Kriegstein, K. (2014). Two cases of selective developmental voice-recognition impairments. Current Biology, 24(19), 2348-2353. doi:10.1016/j.cub.2014.08.048.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-C8B2-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-F3A4-3
Genre: Journal Article

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 Creators:
Roswandowitz, Claudia1, 2, Author              
Mathias, Samuel R.3, Author
Hintz, Florian4, 5, Author              
Kreitewolf, Jens1, Author              
Schelinski, Stefanie1, Author              
von Kriegstein, Katharina1, 6, Author              
Affiliations:
1Max Planck Research Group Neural Mechanisms of Human Communication, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634556              
2International Max Planck Research School on Neuroscience of Communication, 04103 Leipzig, Germany, ou_persistent22              
3Department of Psychiatry, Yale University, New Haven CT 06511, US, ou_persistent22              
4Psychology of Language Department, MPI for Psycholinguistics, Max Planck Society, ou_792545              
5International Max Planck Research School for Language Sciences, 6500 AH Nijmegen, The Netherlands, ou_persistent22              
6Department of Psychology, Humboldt Universität zu Berlin, 12489 Berlin, Germany, ou_persistent22              

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 Abstract: Recognizing other individuals is an essential skill in humans and in other species [1, 2 and 3]. Over the last decade, it has become increasingly clear that person-identity recognition abilities are highly variable. Roughly 2% of the population has developmental prosopagnosia, a congenital deficit in recognizing others by their faces [4]. It is currently unclear whether developmental phonagnosia, a deficit in recognizing others by their voices [5], is equally prevalent, or even whether it actually exists. Here, we aimed to identify cases of developmental phonagnosia. We collected more than 1,000 data sets from self-selected German individuals by using a web-based screening test that was designed to assess their voice-recognition abilities. We then examined potentially phonagnosic individuals by using a comprehensive laboratory test battery. We found two novel cases of phonagnosia: AS, a 32-year-old female, and SP, a 32-year-old male; both are otherwise healthy academics, have normal hearing, and show no pathological abnormalities in brain structure. The two cases have comparable patterns of impairments: both performed at least 2 SDs below the level of matched controls on tests that required learning new voices, judging the familiarity of famous voices, and discriminating pitch differences between voices. In both cases, only voice-identity processing per se was affected: face recognition, speech intelligibility, emotion recognition, and musical ability were all comparable to controls. The findings confirm the existence of developmental phonagnosia as a modality-specific impairment and allow a first rough prevalence estimate.

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Language(s): eng - English
 Dates: 2014-08-2020142014
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.cub.2014.08.048
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Title: Current Biology
  Other : Curr. Biol.
Source Genre: Journal
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Publ. Info: London, UK : Cell Press
Pages: - Volume / Issue: 24 (19) Sequence Number: - Start / End Page: 2348 - 2353 Identifier: ISSN: 0960-9822
CoNE: /journals/resource/954925579107