The rat temporal association cortical area 2 (Te2) comprises two subdivisions that are visually responsive and develop independently

Abstract In this study, we have used the expression of non-phosphorylated neurofilament (NNF), a protein that exhibits differential areal and laminar neuronal patterning, to assess the chemoarchitectural organization of the rat temporal association cortex (Te). Since expression of NNF is associated...

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Veröffentlicht in:Neuroscience 2008-09, Vol.156 (1), p.118-128
Hauptverfasser: Sia, Y, Bourne, J.A
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description Abstract In this study, we have used the expression of non-phosphorylated neurofilament (NNF), a protein that exhibits differential areal and laminar neuronal patterning, to assess the chemoarchitectural organization of the rat temporal association cortex (Te). Since expression of NNF is associated with the latter stages of neuronal development, this enabled us to profile the hierarchical development of this region of the cortex. We also examined the expression of the protein Fos, the product of the immediate-early gene cFos , as a neuronal activity marker to determine which areas within this region are visually responsive. Our findings reveal the existence of two previously undescribed subdivisions within the dorsal and ventral domains of the rat temporal association cortical area 2 (Te2) which we have termed Te2d and Te2v, respectively. We also demonstrated the early maturation of the caudal region of Te2d while preceding the primary visual cortex. Within this region of the cortex, the Fos protein indicates that both subdivisions are visually responsive.
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Visual pathways and centers. Vision</topic><topic>Female</topic><topic>Fos</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Immunohistochemistry</topic><topic>Male</topic><topic>neurofilament protein</topic><topic>Neurofilament Proteins - metabolism</topic><topic>Neurology</topic><topic>Neurons - cytology</topic><topic>Neurons - metabolism</topic><topic>Photic Stimulation</topic><topic>Primates - anatomy &amp; histology</topic><topic>Primates - physiology</topic><topic>Proto-Oncogene Proteins c-fos - metabolism</topic><topic>Rats</topic><topic>rodent</topic><topic>Species Specificity</topic><topic>Temporal Lobe - anatomy &amp; histology</topic><topic>Temporal Lobe - growth &amp; development</topic><topic>Temporal Lobe - metabolism</topic><topic>Vertebrates: nervous system and sense organs</topic><topic>visual cortex</topic><topic>Visual Cortex - anatomy &amp; histology</topic><topic>Visual Cortex - growth &amp; development</topic><topic>Visual Cortex - metabolism</topic><topic>Visual Perception - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sia, Y</creatorcontrib><creatorcontrib>Bourne, J.A</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>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Neuroscience</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sia, Y</au><au>Bourne, J.A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The rat temporal association cortical area 2 (Te2) comprises two subdivisions that are visually responsive and develop independently</atitle><jtitle>Neuroscience</jtitle><addtitle>Neuroscience</addtitle><date>2008-09-22</date><risdate>2008</risdate><volume>156</volume><issue>1</issue><spage>118</spage><epage>128</epage><pages>118-128</pages><issn>0306-4522</issn><eissn>1873-7544</eissn><coden>NRSCDN</coden><abstract>Abstract In this study, we have used the expression of non-phosphorylated neurofilament (NNF), a protein that exhibits differential areal and laminar neuronal patterning, to assess the chemoarchitectural organization of the rat temporal association cortex (Te). Since expression of NNF is associated with the latter stages of neuronal development, this enabled us to profile the hierarchical development of this region of the cortex. We also examined the expression of the protein Fos, the product of the immediate-early gene cFos , as a neuronal activity marker to determine which areas within this region are visually responsive. Our findings reveal the existence of two previously undescribed subdivisions within the dorsal and ventral domains of the rat temporal association cortical area 2 (Te2) which we have termed Te2d and Te2v, respectively. We also demonstrated the early maturation of the caudal region of Te2d while preceding the primary visual cortex. Within this region of the cortex, the Fos protein indicates that both subdivisions are visually responsive.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>18674594</pmid><doi>10.1016/j.neuroscience.2008.07.002</doi><tpages>11</tpages></addata></record>
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subjects Aging - physiology
Animals
Biological and medical sciences
Biological Evolution
Brain Mapping
brain maps
development
Eye and associated structures. Visual pathways and centers. Vision
Female
Fos
Fundamental and applied biological sciences. Psychology
Immunohistochemistry
Male
neurofilament protein
Neurofilament Proteins - metabolism
Neurology
Neurons - cytology
Neurons - metabolism
Photic Stimulation
Primates - anatomy & histology
Primates - physiology
Proto-Oncogene Proteins c-fos - metabolism
Rats
rodent
Species Specificity
Temporal Lobe - anatomy & histology
Temporal Lobe - growth & development
Temporal Lobe - metabolism
Vertebrates: nervous system and sense organs
visual cortex
Visual Cortex - anatomy & histology
Visual Cortex - growth & development
Visual Cortex - metabolism
Visual Perception - physiology
title The rat temporal association cortical area 2 (Te2) comprises two subdivisions that are visually responsive and develop independently
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