Evidence for corticocortical connections between areas 7 and 17 in cerebral cortex of the cat
This study provides the first evidence of direct corticocortical connections between areas 7 and 17 of the cat. Wheat germ agglutinin horseradish peroxidase (WGA-HRP) was administrated by micro-electrophoresis and micro-injection, respectively, into area 17 and area 7 in different hemispheres in eig...
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| Veröffentlicht in: | Neuroscience letters 2008-01, Vol.430 (1), p.70-74 |
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| creator | Han, Yanwen Yang, Xu Chen, Yuanxin Shou, Tiande |
| description | This study provides the first evidence of direct corticocortical connections between areas 7 and 17 of the cat. Wheat germ agglutinin horseradish peroxidase (WGA-HRP) was administrated by micro-electrophoresis and micro-injection, respectively, into area 17 and area 7 in different hemispheres in eight cats. WGA-HRP labeled pyramidal neurons were observed primarily in layer 5 of areas 7 and 17 indicating that there are reciprocal connections between these areas. Optical imaging was used to guide WGA-HRP injections to single orientation columns in area 17. After such restricted injections labeled pyramidal cells were observed in layer 5 of area 7. These pyramidal cells were arranged as discontinuous patches extending across a broad region of area 7. These results suggest that feedback from area 7 to area 17 may arise from specific functional columns in area 7. |
| doi_str_mv | 10.1016/j.neulet.2007.10.022 |
| format | Article |
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Wheat germ agglutinin horseradish peroxidase (WGA-HRP) was administrated by micro-electrophoresis and micro-injection, respectively, into area 17 and area 7 in different hemispheres in eight cats. WGA-HRP labeled pyramidal neurons were observed primarily in layer 5 of areas 7 and 17 indicating that there are reciprocal connections between these areas. Optical imaging was used to guide WGA-HRP injections to single orientation columns in area 17. After such restricted injections labeled pyramidal cells were observed in layer 5 of area 7. These pyramidal cells were arranged as discontinuous patches extending across a broad region of area 7. These results suggest that feedback from area 7 to area 17 may arise from specific functional columns in area 7.</description><identifier>ISSN: 0304-3940</identifier><identifier>EISSN: 1872-7972</identifier><identifier>DOI: 10.1016/j.neulet.2007.10.022</identifier><identifier>PMID: 18022763</identifier><identifier>CODEN: NELED5</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>Animals ; Area 17 ; Area 7 ; Biological and medical sciences ; Cats ; Cerebral Cortex - cytology ; Eye and associated structures. Visual pathways and centers. Vision ; Fundamental and applied biological sciences. Psychology ; Reciprocal projection ; Suprasylvian gyrus ; Vertebrates: nervous system and sense organs ; Visual cortex ; Visual Pathways - cytology</subject><ispartof>Neuroscience letters, 2008-01, Vol.430 (1), p.70-74</ispartof><rights>2007 Elsevier Ireland Ltd</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c390t-a125521fd9307a96487083cb7f97fa8dc684a0bd90037b400107c54e5ee13dc23</citedby><cites>FETCH-LOGICAL-c390t-a125521fd9307a96487083cb7f97fa8dc684a0bd90037b400107c54e5ee13dc23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.neulet.2007.10.022$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27926,27927,45997</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19997588$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18022763$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Han, Yanwen</creatorcontrib><creatorcontrib>Yang, Xu</creatorcontrib><creatorcontrib>Chen, Yuanxin</creatorcontrib><creatorcontrib>Shou, Tiande</creatorcontrib><title>Evidence for corticocortical connections between areas 7 and 17 in cerebral cortex of the cat</title><title>Neuroscience letters</title><addtitle>Neurosci Lett</addtitle><description>This study provides the first evidence of direct corticocortical connections between areas 7 and 17 of the cat. Wheat germ agglutinin horseradish peroxidase (WGA-HRP) was administrated by micro-electrophoresis and micro-injection, respectively, into area 17 and area 7 in different hemispheres in eight cats. WGA-HRP labeled pyramidal neurons were observed primarily in layer 5 of areas 7 and 17 indicating that there are reciprocal connections between these areas. Optical imaging was used to guide WGA-HRP injections to single orientation columns in area 17. After such restricted injections labeled pyramidal cells were observed in layer 5 of area 7. These pyramidal cells were arranged as discontinuous patches extending across a broad region of area 7. These results suggest that feedback from area 7 to area 17 may arise from specific functional columns in area 7.</description><subject>Animals</subject><subject>Area 17</subject><subject>Area 7</subject><subject>Biological and medical sciences</subject><subject>Cats</subject><subject>Cerebral Cortex - cytology</subject><subject>Eye and associated structures. Visual pathways and centers. Vision</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Reciprocal projection</subject><subject>Suprasylvian gyrus</subject><subject>Vertebrates: nervous system and sense organs</subject><subject>Visual cortex</subject><subject>Visual Pathways - cytology</subject><issn>0304-3940</issn><issn>1872-7972</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1rGzEQhkVpqJ20_6AUXZrbOqPVriVdCiXkCwK5pMcitNIslVlLriQnzb-vnDXkltPLvDwzDA8hXxmsGLD1xWYVcD9hWbUAolYraNsPZMmkaBuhRPuRLIFD13DVwYKc5rwBgJ713SeyYLLCYs2X5PfVk3cYLNIxJmpjKt7GOcxU5xDQFh9DpgOWZ8RATUKTqaAmOMoE9YFaTDikVzwV_EfjSMsfpNaUz-RkNFPGL8c8I7-urx4vb5v7h5u7y5_3jeUKSmNY2_ctG53iIIxad1KA5HYQoxKjkc6uZWdgcAqAi6EDYCBs32GPyLizLT8j5_PdXYp_95iL3vpscZpMwLjPWgBTEpioYDeDNsWcE456l_zWpBfNQB-06o2eteqD1kNbTdW1b8f7-2GL7m3p6LEC34-AyVXcmEywPr9xSinRS1m5HzOH1caTx6Sz9Qf9zqcqWrvo3__kP0POlvA</recordid><startdate>20080103</startdate><enddate>20080103</enddate><creator>Han, Yanwen</creator><creator>Yang, Xu</creator><creator>Chen, Yuanxin</creator><creator>Shou, Tiande</creator><general>Elsevier Ireland Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20080103</creationdate><title>Evidence for corticocortical connections between areas 7 and 17 in cerebral cortex of the cat</title><author>Han, Yanwen ; Yang, Xu ; Chen, Yuanxin ; Shou, Tiande</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-a125521fd9307a96487083cb7f97fa8dc684a0bd90037b400107c54e5ee13dc23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Animals</topic><topic>Area 17</topic><topic>Area 7</topic><topic>Biological and medical sciences</topic><topic>Cats</topic><topic>Cerebral Cortex - cytology</topic><topic>Eye and associated structures. Visual pathways and centers. Vision</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Reciprocal projection</topic><topic>Suprasylvian gyrus</topic><topic>Vertebrates: nervous system and sense organs</topic><topic>Visual cortex</topic><topic>Visual Pathways - cytology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Yanwen</creatorcontrib><creatorcontrib>Yang, Xu</creatorcontrib><creatorcontrib>Chen, Yuanxin</creatorcontrib><creatorcontrib>Shou, Tiande</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Neuroscience letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Han, Yanwen</au><au>Yang, Xu</au><au>Chen, Yuanxin</au><au>Shou, Tiande</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evidence for corticocortical connections between areas 7 and 17 in cerebral cortex of the cat</atitle><jtitle>Neuroscience letters</jtitle><addtitle>Neurosci Lett</addtitle><date>2008-01-03</date><risdate>2008</risdate><volume>430</volume><issue>1</issue><spage>70</spage><epage>74</epage><pages>70-74</pages><issn>0304-3940</issn><eissn>1872-7972</eissn><coden>NELED5</coden><abstract>This study provides the first evidence of direct corticocortical connections between areas 7 and 17 of the cat. Wheat germ agglutinin horseradish peroxidase (WGA-HRP) was administrated by micro-electrophoresis and micro-injection, respectively, into area 17 and area 7 in different hemispheres in eight cats. WGA-HRP labeled pyramidal neurons were observed primarily in layer 5 of areas 7 and 17 indicating that there are reciprocal connections between these areas. Optical imaging was used to guide WGA-HRP injections to single orientation columns in area 17. After such restricted injections labeled pyramidal cells were observed in layer 5 of area 7. These pyramidal cells were arranged as discontinuous patches extending across a broad region of area 7. These results suggest that feedback from area 7 to area 17 may arise from specific functional columns in area 7.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>18022763</pmid><doi>10.1016/j.neulet.2007.10.022</doi><tpages>5</tpages></addata></record> |
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| ispartof | Neuroscience letters, 2008-01, Vol.430 (1), p.70-74 |
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| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Animals Area 17 Area 7 Biological and medical sciences Cats Cerebral Cortex - cytology Eye and associated structures. Visual pathways and centers. Vision Fundamental and applied biological sciences. Psychology Reciprocal projection Suprasylvian gyrus Vertebrates: nervous system and sense organs Visual cortex Visual Pathways - cytology |
| title | Evidence for corticocortical connections between areas 7 and 17 in cerebral cortex of the cat |
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