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Cortical Plasticity and Olfactory Function in Early Blindness
Over the last decade, functional brain imaging has provided insight to the maturation processes and has helped elucidate the pathophysiological mechanisms involved in brain plasticity in the absence of vision. In case of congenital blindness, drastic changes occur within the deafferented “visual” co...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Frontiers Media S.A.
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5003898/ https://www.ncbi.nlm.nih.gov/pubmed/27625596 http://dx.doi.org/10.3389/fnsys.2016.00075 |
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author | Araneda, Rodrigo Renier, Laurent A. Rombaux, Philippe Cuevas, Isabel De Volder, Anne G. |
author_facet | Araneda, Rodrigo Renier, Laurent A. Rombaux, Philippe Cuevas, Isabel De Volder, Anne G. |
author_sort | Araneda, Rodrigo |
collection | PubMed |
description | Over the last decade, functional brain imaging has provided insight to the maturation processes and has helped elucidate the pathophysiological mechanisms involved in brain plasticity in the absence of vision. In case of congenital blindness, drastic changes occur within the deafferented “visual” cortex that starts receiving and processing non visual inputs, including olfactory stimuli. This functional reorganization of the occipital cortex gives rise to compensatory perceptual and cognitive mechanisms that help blind persons achieve perceptual tasks, leading to superior olfactory abilities in these subjects. This view receives support from psychophysical testing, volumetric measurements and functional brain imaging studies in humans, which are presented here. |
format | Online Article Text |
id | pubmed-5003898 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2016 |
publisher | Frontiers Media S.A. |
record_format | MEDLINE/PubMed |
spelling | pubmed-50038982016-09-13 Cortical Plasticity and Olfactory Function in Early Blindness Araneda, Rodrigo Renier, Laurent A. Rombaux, Philippe Cuevas, Isabel De Volder, Anne G. Front Syst Neurosci Neuroscience Over the last decade, functional brain imaging has provided insight to the maturation processes and has helped elucidate the pathophysiological mechanisms involved in brain plasticity in the absence of vision. In case of congenital blindness, drastic changes occur within the deafferented “visual” cortex that starts receiving and processing non visual inputs, including olfactory stimuli. This functional reorganization of the occipital cortex gives rise to compensatory perceptual and cognitive mechanisms that help blind persons achieve perceptual tasks, leading to superior olfactory abilities in these subjects. This view receives support from psychophysical testing, volumetric measurements and functional brain imaging studies in humans, which are presented here. Frontiers Media S.A. 2016-08-30 /pmc/articles/PMC5003898/ /pubmed/27625596 http://dx.doi.org/10.3389/fnsys.2016.00075 Text en Copyright © 2016 Araneda, Renier, Rombaux, Cuevas and De Volder. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. |
spellingShingle | Neuroscience Araneda, Rodrigo Renier, Laurent A. Rombaux, Philippe Cuevas, Isabel De Volder, Anne G. Cortical Plasticity and Olfactory Function in Early Blindness |
title | Cortical Plasticity and Olfactory Function in Early Blindness |
title_full | Cortical Plasticity and Olfactory Function in Early Blindness |
title_fullStr | Cortical Plasticity and Olfactory Function in Early Blindness |
title_full_unstemmed | Cortical Plasticity and Olfactory Function in Early Blindness |
title_short | Cortical Plasticity and Olfactory Function in Early Blindness |
title_sort | cortical plasticity and olfactory function in early blindness |
topic | Neuroscience |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5003898/ https://www.ncbi.nlm.nih.gov/pubmed/27625596 http://dx.doi.org/10.3389/fnsys.2016.00075 |
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