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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Functional Organization of Color Domains in V1 and V2 of Macaque Monkey Revealed by Optical Imaging</title><author><name sortKey="Lu, Haidong D" sort="Lu, Haidong D" uniqKey="Lu H" first="Haidong D." last="Lu">Haidong D. Lu</name></author><author><name sortKey="Roe, Anna W" sort="Roe, Anna W" uniqKey="Roe A" first="Anna W." last="Roe">Anna W. Roe</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">17576751</idno><idno type="pmc">2657473</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2657473</idno><idno type="RBID">PMC:2657473</idno><idno type="doi">10.1093/cercor/bhm081</idno><date when="2007">2007</date><idno type="wicri:Area/Pmc/Corpus">000281</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Functional Organization of Color Domains in V1 and V2 of Macaque Monkey Revealed by Optical Imaging</title><author><name sortKey="Lu, Haidong D" sort="Lu, Haidong D" uniqKey="Lu H" first="Haidong D." last="Lu">Haidong D. Lu</name></author><author><name sortKey="Roe, Anna W" sort="Roe, Anna W" uniqKey="Roe A" first="Anna W." last="Roe">Anna W. Roe</name></author></analytic><series><title level="j">Cerebral cortex (New York, N.Y. : 1991)</title><idno type="ISSN">1047-3211</idno><idno type="eISSN">1460-2199</idno><imprint><date when="2007">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P2">Areas V1 and V2 of Macaque monkey visual cortex are characterized by unique cytochrome-oxidase (CO)--staining patterns. Initial electrophysiological studies associated CO blobs in V1 with processing of surface properties such as color and brightness and the interblobs with contour information processing. However, many subsequent studies showed controversial results, some supporting this proposal and others failing to find significant functional differences between blobs and interblobs. In this study, we have used optical imaging to map color-selective responses in V1 and V2. In V1, we find striking “blob-like” patterns of color response. Fine alignment of optical maps and CO-stained tissue revealed that color domains in V1 strongly associate with CO blobs. We also find color domains in V1 align along centers of ocular dominance columns. Furthermore, color blobs in V1 have low orientation selectivity and do not overlap with centers of orientation domains. In V2, color domains coincide with thin stripes; orientation-selective domains coincide with thick and pale stripes. We conclude that color and orientation-selective responses are preferentially located in distinct CO compartments in V1 and V2. We propose that the term “blob” encompasses both the concept of “CO blob” and “color domain” in V1.</p></div></front></TEI><pmc article-type="research-article" xml:lang="EN"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<pmc-dir>properties manuscript</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-journal-id">9110718</journal-id><journal-id journal-id-type="pubmed-jr-id">2171</journal-id><journal-id journal-id-type="nlm-ta">Cereb Cortex</journal-id><journal-title>Cerebral cortex (New York, N.Y. : 1991)</journal-title><issn pub-type="ppub">1047-3211</issn><issn pub-type="epub">1460-2199</issn></journal-meta><article-meta><article-id pub-id-type="pmid">17576751</article-id><article-id pub-id-type="pmc">2657473</article-id><article-id pub-id-type="doi">10.1093/cercor/bhm081</article-id><article-id pub-id-type="manuscript">NIHMS94966</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Functional Organization of Color Domains in V1 and V2 of Macaque Monkey Revealed by Optical Imaging</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Lu</surname><given-names>Haidong D.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Roe</surname><given-names>Anna W.</given-names></name></contrib><aff id="A1">Department of Psychology, Vanderbilt University, Nashville, TN, USA</aff></contrib-group><author-notes><corresp id="CR1">Address correspondence to Haidong D. Lu, Department of Psychology, Vanderbilt University, 301 Wilson Hall, 111 21st Avenue South, Nashville, TN 37203, USA. Email: <email>haidong.lu@vanderbilt.edu</email>.</corresp></author-notes><pub-date pub-type="nihms-submitted"><day>18</day><month>2</month><year>2009</year></pub-date><pub-date pub-type="epub"><day>18</day><month>6</month><year>2007</year></pub-date><pub-date pub-type="ppub"><month>3</month><year>2008</year></pub-date><pub-date pub-type="pmc-release"><day>18</day><month>3</month><year>2009</year></pub-date><volume>18</volume><issue>3</issue><fpage>516</fpage><lpage>533</lpage><abstract><p id="P2">Areas V1 and V2 of Macaque monkey visual cortex are characterized by unique cytochrome-oxidase (CO)--staining patterns. Initial electrophysiological studies associated CO blobs in V1 with processing of surface properties such as color and brightness and the interblobs with contour information processing. However, many subsequent studies showed controversial results, some supporting this proposal and others failing to find significant functional differences between blobs and interblobs. In this study, we have used optical imaging to map color-selective responses in V1 and V2. In V1, we find striking “blob-like” patterns of color response. Fine alignment of optical maps and CO-stained tissue revealed that color domains in V1 strongly associate with CO blobs. We also find color domains in V1 align along centers of ocular dominance columns. Furthermore, color blobs in V1 have low orientation selectivity and do not overlap with centers of orientation domains. In V2, color domains coincide with thin stripes; orientation-selective domains coincide with thick and pale stripes. We conclude that color and orientation-selective responses are preferentially located in distinct CO compartments in V1 and V2. We propose that the term “blob” encompasses both the concept of “CO blob” and “color domain” in V1.</p></abstract><kwd-group><kwd>blobs</kwd><kwd>color</kwd><kwd>cytochrome-oxidase</kwd><kwd>optical imaging</kwd><kwd>thin stripes</kwd></kwd-group><contract-num rid="EY1">R01 EY011744-08</contract-num><contract-sponsor id="EY1">National Eye Institute : NEI</contract-sponsor></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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