Vertical sound localization in blind humans

It is widely held that early-blind people compensate their visual loss by a general sharpening of spatial hearing. The present study reports a possible exception to this view: when the vertical position (elevation) of a sound source had to be localized, four out of six early-blind subjects exhibited...

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Veröffentlicht in:	Neuropsychologia 2002, Vol.40 (12), p.1868-1872
1. Verfasser:	Lewald, Jörg
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Age of Onset Auditory system Biological and medical sciences Blindness Blindness - congenital Blindness - psychology Compensatory plasticity Female Fundamental and applied biological sciences. Psychology Handicap Hearing Humans Linear Models Male Psychology and medicine Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Sound elevation Sound Localization - physiology Space perception Visual calibration
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container_title	Neuropsychologia
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creator	Lewald, Jörg
description	It is widely held that early-blind people compensate their visual loss by a general sharpening of spatial hearing. The present study reports a possible exception to this view: when the vertical position (elevation) of a sound source had to be localized, four out of six early-blind subjects exhibited systematic deviations in pointing, while two early-blind subjects were as accurate as sighted controls. On the other hand, blind and sighted individuals were able to judge relative positions of different sound locations with similar precision. These results suggest that visual experience may be used to accurately calibrate the relation between the vertical coordinates of auditory space and body, but is not needed to develop sufficiently high resolution of spatial hearing.
doi_str_mv	10.1016/S0028-3932(02)00071-4
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These results suggest that visual experience may be used to accurately calibrate the relation between the vertical coordinates of auditory space and body, but is not needed to develop sufficiently high resolution of spatial hearing.</description><subject>Adult</subject><subject>Age of Onset</subject><subject>Auditory system</subject><subject>Biological and medical sciences</subject><subject>Blindness</subject><subject>Blindness - congenital</subject><subject>Blindness - psychology</subject><subject>Compensatory plasticity</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Handicap</subject><subject>Hearing</subject><subject>Humans</subject><subject>Linear Models</subject><subject>Male</subject><subject>Psychology and medicine</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. 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Psychophysiology</topic><topic>Sound elevation</topic><topic>Sound Localization - physiology</topic><topic>Space perception</topic><topic>Visual calibration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lewald, Jörg</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Neuropsychologia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lewald, Jörg</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vertical sound localization in blind humans</atitle><jtitle>Neuropsychologia</jtitle><addtitle>Neuropsychologia</addtitle><date>2002</date><risdate>2002</risdate><volume>40</volume><issue>12</issue><spage>1868</spage><epage>1872</epage><pages>1868-1872</pages><issn>0028-3932</issn><eissn>1873-3514</eissn><coden>NUPSA6</coden><abstract>It is widely held that early-blind people compensate their visual loss by a general sharpening of spatial hearing. 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subjects	Adult Age of Onset Auditory system Biological and medical sciences Blindness Blindness - congenital Blindness - psychology Compensatory plasticity Female Fundamental and applied biological sciences. Psychology Handicap Hearing Humans Linear Models Male Psychology and medicine Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Sound elevation Sound Localization - physiology Space perception Visual calibration
title	Vertical sound localization in blind humans
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