PittsburghV1, Main, Exploration, bibRecord, 000024

Reorganization of early visual cortex functional connectivity following selective peripheral and central visual loss

Identifieur interne : 000024 ( Main/Exploration ); précédent : 000023; suivant : 000025

Reorganization of early visual cortex functional connectivity following selective peripheral and central visual loss

Auteurs : Norman Sabbah [France] ; Nicolae Sanda [France] ; Colas N. Authié [France] ; Saddek Mohand-Saïd [France] ; José-Alain Sahel [Royaume-Uni] ; Christophe Habas [France] ; Amir Amedi [Israël] ; Avinoam B. Safran [France]

Source :

Scientific Reports [ 2045-2322 ] ; 2017-02-24.

RBID : Hal:hal-01480371

Abstract

Behavioral alterations emerging after central or peripheral vision loss suggest that cerebral reorganization occurs for both the afferented and deafferented early visual cortex (EVC). We explored the functional reorganization of the central and peripheral EVC following visual field defects specifically affecting central or peripheral vision. Compared to normally sighted, afferented central and peripheral EVC enhance their functional connectivity with areas involved in visual processing, whereas deafferented central and peripheral EVC increase their functional connectivity with more remote regions. The connectivity pattern of afferented EVC suggests adaptive changes that might enhance the visual processing capacity whereas the connectivity pattern of deafferented EVC may reflect the involvement of these regions in high-order mechanisms. Characterizing and understanding the plastic changes induced by these visual defects is essential for any attempt to develop efficient rehabilitation strategies.

Url:

http://hal.upmc.fr/hal-01480371

DOI: 10.1038/srep43223

Affiliations:

France, Israël, Royaume-Uni

Links toward previous steps (curation, corpus...)

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Le document en format XML

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<affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-81508" status="VALID">          <idno type="RNSR">200918526C</idno>
          <orgName>Institut de la Vision</orgName>
          <desc>            <address>              <addrLine>17 Rue Moreau, 75012 Paris</addrLine>
              <country key="FR"></country>
            </address>
            <ref type="url">http://www.institut-vision.org/fr/</ref>
          </desc>
          <listRelation>            <relation name="UM80" active="#struct-93591" type="direct"></relation>
            <relation name="U968" active="#struct-303623" type="direct"></relation>
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        <tutelles><tutelle name="UM80" active="#struct-93591" type="direct"><org type="institution" xml:id="struct-93591" status="VALID">          <orgName>Université Pierre et Marie Curie - Paris 6</orgName>
          <orgName type="acronym">UPMC</orgName>
          <desc>            <address>              <addrLine>4 place Jussieu - 75005 Paris</addrLine>
              <country key="FR"></country>
            </address>
            <ref type="url">http://www.upmc.fr/</ref>
          </desc>
        </org>
</tutelle>
<tutelle name="U968" active="#struct-303623" type="direct"><org type="institution" xml:id="struct-303623" status="VALID">          <idno type="IdRef">026388278</idno>
          <orgName>Institut National de la Santé et de la Recherche Médicale</orgName>
          <orgName type="acronym">INSERM</orgName>
          <desc>            <address>              <addrLine>101, rue de Tolbiac, 75013 Paris </addrLine>
              <country key="FR"></country>
            </address>
            <ref type="url">http://www.inserm.fr</ref>
          </desc>
        </org>
</tutelle>
<tutelle name="UMR7210" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID">          <idno type="IdRef">02636817X</idno>
          <idno type="ISNI">0000000122597504</idno>
          <orgName>Centre National de la Recherche Scientifique</orgName>
          <orgName type="acronym">CNRS</orgName>
          <date type="start">1939-10-19</date>
          <desc>            <address>              <country key="FR"></country>
            </address>
            <ref type="url">http://www.cnrs.fr/</ref>
          </desc>
        </org>
</tutelle>
</tutelles>
</hal:affiliation>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Amedi, Amir" sort="Amedi, Amir" uniqKey="Amedi A" first="Amir" last="Amedi">Amir Amedi</name>
<affiliation wicri:level="1"><hal:affiliation type="institution" xml:id="struct-102986" status="VALID">          <orgName>The Hebrew University of Jerusalem</orgName>
          <orgName type="acronym">HUJ</orgName>
          <desc>            <address>              <addrLine>Jerusalem 91905</addrLine>
              <country key="IL"></country>
            </address>
            <ref type="url">http://www.huji.ac.il/huji/eng/</ref>
          </desc>
        </hal:affiliation>
<country>Israël</country>
</affiliation>
</author>
<author><name sortKey="Safran, Avinoam B" sort="Safran, Avinoam B" uniqKey="Safran A" first="Avinoam B." last="Safran">Avinoam B. Safran</name>
<affiliation wicri:level="1"><hal:affiliation type="institution" xml:id="struct-300992" status="VALID">          <orgName>Geneva University Hospitals</orgName>
          <desc>            <address>              <country key="FR"></country>
            </address>
          </desc>
        </hal:affiliation>
<country>France</country>
</affiliation>
</author>
</analytic>
<idno type="DOI">10.1038/srep43223</idno>
<series><title level="j">Scientific Reports</title>
<idno type="ISSN">2045-2322</idno>
<imprint><date type="datePub">2017-02-24</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Behavioral alterations emerging after central or peripheral vision loss suggest that cerebral reorganization occurs for both the afferented and deafferented early visual cortex (EVC). We explored the functional reorganization of the central and peripheral EVC following visual field defects specifically affecting central or peripheral vision. Compared to normally sighted, afferented central and peripheral EVC enhance their functional connectivity with areas involved in visual processing, whereas deafferented central and peripheral EVC increase their functional connectivity with more remote regions. The connectivity pattern of afferented EVC suggests adaptive changes that might enhance the visual processing capacity whereas the connectivity pattern of deafferented EVC may reflect the involvement of these regions in high-order mechanisms. Characterizing and understanding the plastic changes induced by these visual defects is essential for any attempt to develop efficient rehabilitation strategies.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
<li>Israël</li>
<li>Royaume-Uni</li>
</country>
</list>
<tree><country name="France"><noRegion><name sortKey="Sabbah, Norman" sort="Sabbah, Norman" uniqKey="Sabbah N" first="Norman" last="Sabbah">Norman Sabbah</name>
</noRegion>
<name sortKey="Authie, Colas N" sort="Authie, Colas N" uniqKey="Authie C" first="Colas N." last="Authié">Colas N. Authié</name>
<name sortKey="Habas, Christophe" sort="Habas, Christophe" uniqKey="Habas C" first="Christophe" last="Habas">Christophe Habas</name>
<name sortKey="Mohand Said, Saddek" sort="Mohand Said, Saddek" uniqKey="Mohand Said S" first="Saddek" last="Mohand-Saïd">Saddek Mohand-Saïd</name>
<name sortKey="Safran, Avinoam B" sort="Safran, Avinoam B" uniqKey="Safran A" first="Avinoam B." last="Safran">Avinoam B. Safran</name>
<name sortKey="Sanda, Nicolae" sort="Sanda, Nicolae" uniqKey="Sanda N" first="Nicolae" last="Sanda">Nicolae Sanda</name>
</country>
<country name="Royaume-Uni"><noRegion><name sortKey="Sahel, Jose Alain" sort="Sahel, Jose Alain" uniqKey="Sahel J" first="José-Alain" last="Sahel">José-Alain Sahel</name>
</noRegion>
</country>
<country name="Israël"><noRegion><name sortKey="Amedi, Amir" sort="Amedi, Amir" uniqKey="Amedi A" first="Amir" last="Amedi">Amir Amedi</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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Reorganization of early visual cortex functional connectivity following selective peripheral and central visual loss

Reorganization of early visual cortex functional connectivity following selective peripheral and central visual loss

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