Activity in motor-sensory projections reveals distributed coding in somatosensation
Identifieur interne : 002586 ( Main/Exploration ); précédent : 002585; suivant : 002587Activity in motor-sensory projections reveals distributed coding in somatosensation
Auteurs : Leopoldo Petreanu ; Diego A. Gutnisky ; Daniel Huber ; Ning-Long Xu ; Dan H. O Onnor ; Lin Tian ; Loren Looger ; Karel SvobodaSource :
- Nature [ 0028-0836 ] ; 2012.
Abstract
Cortical feed-back projections to primary sensory areas terminate most heavily in layer (L) 1
Url:
DOI: 10.1038/nature11321
PubMed: 22922646
PubMed Central: 3443316
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Activity in motor-sensory projections reveals distributed coding in somatosensation</title><author><name sortKey="Petreanu, Leopoldo" sort="Petreanu, Leopoldo" uniqKey="Petreanu L" first="Leopoldo" last="Petreanu">Leopoldo Petreanu</name></author><author><name sortKey="Gutnisky, Diego A" sort="Gutnisky, Diego A" uniqKey="Gutnisky D" first="Diego A." last="Gutnisky">Diego A. Gutnisky</name></author><author><name sortKey="Huber, Daniel" sort="Huber, Daniel" uniqKey="Huber D" first="Daniel" last="Huber">Daniel Huber</name></author><author><name sortKey="Xu, Ning Long" sort="Xu, Ning Long" uniqKey="Xu N" first="Ning-Long" last="Xu">Ning-Long Xu</name></author><author><name sortKey="O Onnor, Dan H" sort="O Onnor, Dan H" uniqKey="O Onnor D" first="Dan H." last="O Onnor">Dan H. O Onnor</name></author><author><name sortKey="Tian, Lin" sort="Tian, Lin" uniqKey="Tian L" first="Lin" last="Tian">Lin Tian</name></author><author><name sortKey="Looger, Loren" sort="Looger, Loren" uniqKey="Looger L" first="Loren" last="Looger">Loren Looger</name></author><author><name sortKey="Svoboda, Karel" sort="Svoboda, Karel" uniqKey="Svoboda K" first="Karel" last="Svoboda">Karel Svoboda</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22922646</idno><idno type="pmc">3443316</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3443316</idno><idno type="RBID">PMC:3443316</idno><idno type="doi">10.1038/nature11321</idno><date when="2012">2012</date><idno type="wicri:Area/Pmc/Corpus">002548</idno><idno type="wicri:Area/Pmc/Curation">002548</idno><idno type="wicri:Area/Pmc/Checkpoint">001869</idno><idno type="wicri:Area/Ncbi/Merge">002203</idno><idno type="wicri:Area/Ncbi/Curation">002203</idno><idno type="wicri:Area/Ncbi/Checkpoint">002203</idno><idno type="wicri:doubleKey">0028-0836:2012:Petreanu L:activity:in:motor</idno><idno type="wicri:Area/Main/Merge">002614</idno><idno type="wicri:Area/Main/Curation">002586</idno><idno type="wicri:Area/Main/Exploration">002586</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Activity in motor-sensory projections reveals distributed coding in somatosensation</title><author><name sortKey="Petreanu, Leopoldo" sort="Petreanu, Leopoldo" uniqKey="Petreanu L" first="Leopoldo" last="Petreanu">Leopoldo Petreanu</name></author><author><name sortKey="Gutnisky, Diego A" sort="Gutnisky, Diego A" uniqKey="Gutnisky D" first="Diego A." last="Gutnisky">Diego A. Gutnisky</name></author><author><name sortKey="Huber, Daniel" sort="Huber, Daniel" uniqKey="Huber D" first="Daniel" last="Huber">Daniel Huber</name></author><author><name sortKey="Xu, Ning Long" sort="Xu, Ning Long" uniqKey="Xu N" first="Ning-Long" last="Xu">Ning-Long Xu</name></author><author><name sortKey="O Onnor, Dan H" sort="O Onnor, Dan H" uniqKey="O Onnor D" first="Dan H." last="O Onnor">Dan H. O Onnor</name></author><author><name sortKey="Tian, Lin" sort="Tian, Lin" uniqKey="Tian L" first="Lin" last="Tian">Lin Tian</name></author><author><name sortKey="Looger, Loren" sort="Looger, Loren" uniqKey="Looger L" first="Loren" last="Looger">Loren Looger</name></author><author><name sortKey="Svoboda, Karel" sort="Svoboda, Karel" uniqKey="Svoboda K" first="Karel" last="Svoboda">Karel Svoboda</name></author></analytic><series><title level="j">Nature</title><idno type="ISSN">0028-0836</idno><idno type="eISSN">1476-4687</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P2">Cortical feed-back projections to primary sensory areas terminate most heavily in layer (L) 1<sup><xref rid="R1" ref-type="bibr">1</xref>,<xref rid="R2" ref-type="bibr">2</xref></sup>, where they make synapses with tuft dendrites of pyramidal neurons. L1 input is thought to provide ‘contextual’ information<sup><xref rid="R3" ref-type="bibr">3</xref></sup>, but the signals transmitted by L1 feedback remain uncharacterized. In the rodent somatosensory system, the spatially diffuse<sup><xref rid="R4" ref-type="bibr">4</xref></sup> vibrissal motor cortex (vM1)→ vibrissal somatosensory cortex (barrel cortex, vS1) feedback projection may allow whisker touch to be interpreted in the context of whisker position to compute object location<sup><xref rid="R5" ref-type="bibr">5</xref>,<xref rid="R6" ref-type="bibr">6</xref></sup>. When mice palpate objects with their whiskers to localize object features<sup><xref rid="R7" ref-type="bibr">7</xref>,<xref rid="R8" ref-type="bibr">8</xref></sup>, whisker touch excites vibrissal somatosensory cortex (barrel cortex, vS1)<sup><xref rid="R9" ref-type="bibr">9</xref></sup> and later vibrissal motor cortex (vM1) in a somatotopic manner<sup><xref rid="R10" ref-type="bibr">10</xref>,<xref rid="R11" ref-type="bibr">11</xref>,<xref rid="R12" ref-type="bibr">12</xref>,<xref rid="R13" ref-type="bibr">13</xref></sup>. Here we used axonal calcium imaging to track activity in vM1→ vS1 afferents in L1 of barrel cortex, while mice performed whisker-dependent object localization. Spatially intermingled individual axons represented whisker movements, touch, and other behavioral features. In a subpopulation of axons, activity depended on object location and persisted for seconds after touch. Neurons in the barrel cortex thus have information to integrate movements and touches of multiple whiskers over time, key components of object identification and navigation by active touch.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Felleman, Dj" uniqKey="Felleman D">DJ Felleman</name></author><author><name sortKey="Van Essen, Dc" uniqKey="Van Essen D">DC Van Essen</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Cauller, Lj" uniqKey="Cauller L">LJ Cauller</name></author><author><name sortKey="Connors, Bw" uniqKey="Connors B">BW Connors</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Cauller, L" uniqKey="Cauller L">L Cauller</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Veinante, P" uniqKey="Veinante P">P Veinante</name></author><author><name sortKey="Deschenes, M" uniqKey="Deschenes M">M 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Gutnisky</name><name sortKey="Huber, Daniel" sort="Huber, Daniel" uniqKey="Huber D" first="Daniel" last="Huber">Daniel Huber</name><name sortKey="Looger, Loren" sort="Looger, Loren" uniqKey="Looger L" first="Loren" last="Looger">Loren Looger</name><name sortKey="O Onnor, Dan H" sort="O Onnor, Dan H" uniqKey="O Onnor D" first="Dan H." last="O Onnor">Dan H. O Onnor</name><name sortKey="Petreanu, Leopoldo" sort="Petreanu, Leopoldo" uniqKey="Petreanu L" first="Leopoldo" last="Petreanu">Leopoldo Petreanu</name><name sortKey="Svoboda, Karel" sort="Svoboda, Karel" uniqKey="Svoboda K" first="Karel" last="Svoboda">Karel Svoboda</name><name sortKey="Tian, Lin" sort="Tian, Lin" uniqKey="Tian L" first="Lin" last="Tian">Lin Tian</name><name sortKey="Xu, Ning Long" sort="Xu, Ning Long" uniqKey="Xu N" first="Ning-Long" last="Xu">Ning-Long Xu</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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