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Intercepting a sound without vision
Visual information is extremely important to generate internal spatial representations. In the auditory modality, the absence of visual cues during early infancy does not preclude the development of some spatial strategies. However, specific spatial abilities might result impaired. In the current st...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5421809/ https://www.ncbi.nlm.nih.gov/pubmed/28481939 http://dx.doi.org/10.1371/journal.pone.0177407 |
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author | Vercillo, Tiziana Tonelli, Alessia Gori, Monica |
author_facet | Vercillo, Tiziana Tonelli, Alessia Gori, Monica |
author_sort | Vercillo, Tiziana |
collection | PubMed |
description | Visual information is extremely important to generate internal spatial representations. In the auditory modality, the absence of visual cues during early infancy does not preclude the development of some spatial strategies. However, specific spatial abilities might result impaired. In the current study, we investigated the effect of early visual deprivation on the ability to localize static and moving auditory stimuli by comparing sighted and early blind individuals’ performance in different spatial tasks. We also examined perceptual stability in the two groups of participants by matching localization accuracy in a static and a dynamic head condition that involved rotational head movements. Sighted participants accurately localized static and moving sounds. Their localization ability remained unchanged after rotational movements of the head. Conversely, blind participants showed a leftward bias during the localization of static sounds and a little bias for moving sounds. Moreover, head movements induced a significant bias in the direction of head motion during the localization of moving sounds. These results suggest that internal spatial representations might be body-centered in blind individuals and that in sighted people the availability of visual cues during early infancy may affect sensory-motor interactions. |
format | Online Article Text |
id | pubmed-5421809 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-54218092017-05-14 Intercepting a sound without vision Vercillo, Tiziana Tonelli, Alessia Gori, Monica PLoS One Research Article Visual information is extremely important to generate internal spatial representations. In the auditory modality, the absence of visual cues during early infancy does not preclude the development of some spatial strategies. However, specific spatial abilities might result impaired. In the current study, we investigated the effect of early visual deprivation on the ability to localize static and moving auditory stimuli by comparing sighted and early blind individuals’ performance in different spatial tasks. We also examined perceptual stability in the two groups of participants by matching localization accuracy in a static and a dynamic head condition that involved rotational head movements. Sighted participants accurately localized static and moving sounds. Their localization ability remained unchanged after rotational movements of the head. Conversely, blind participants showed a leftward bias during the localization of static sounds and a little bias for moving sounds. Moreover, head movements induced a significant bias in the direction of head motion during the localization of moving sounds. These results suggest that internal spatial representations might be body-centered in blind individuals and that in sighted people the availability of visual cues during early infancy may affect sensory-motor interactions. Public Library of Science 2017-05-08 /pmc/articles/PMC5421809/ /pubmed/28481939 http://dx.doi.org/10.1371/journal.pone.0177407 Text en © 2017 Vercillo et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
spellingShingle | Research Article Vercillo, Tiziana Tonelli, Alessia Gori, Monica Intercepting a sound without vision |
title | Intercepting a sound without vision |
title_full | Intercepting a sound without vision |
title_fullStr | Intercepting a sound without vision |
title_full_unstemmed | Intercepting a sound without vision |
title_short | Intercepting a sound without vision |
title_sort | intercepting a sound without vision |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5421809/ https://www.ncbi.nlm.nih.gov/pubmed/28481939 http://dx.doi.org/10.1371/journal.pone.0177407 |
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