The mid-fusiform sulcus: A landmark identifying both cytoarchitectonic and functional divisions of human ventral temporal cortex
Identifieur interne : 001789 ( Main/Merge ); précédent : 001788; suivant : 001790The mid-fusiform sulcus: A landmark identifying both cytoarchitectonic and functional divisions of human ventral temporal cortex
Auteurs : Kevin S. Weiner [États-Unis] ; Golijeh Golarai [États-Unis] ; Julian Caspers [Allemagne] ; Miguel R. Chuapoco [États-Unis] ; Hartmut Mohlberg [Allemagne] ; Karl Zilles [Allemagne] ; Katrin Amunts [Allemagne] ; Kalanit Grill-Spector [États-Unis]Source :
- NeuroImage [ 1053-8119 ] ; 2013.
Abstract
Human ventral temporal cortex (VTC) plays a pivotal role in high-level vision. An under-studied macroanatomical feature of VTC is the mid-fusiform sulcus (MFS), a shallow longitudinal sulcus separating the lateral and medial fusiform gyrus (FG). Here, we quantified the morphological features of the MFS in 69 subjects (ages 7–40), and investigated its relationship to both cytoarchitectonic and functional divisions of VTC with four main findings. First, despite being a minor sulcus, we found that the MFS is a stable macroanatomical structure present in all 138 hemispheres with morphological characteristics developed by age 7. Second, the MFS is the locus of a lateral-medial cytoarchitechtonic transition within the posterior FG serving as the boundary between cytoarchitectonic regions FG1 and FG2. Third, the MFS predicts a lateral-medial functional transition in eccentricity bias representations in children, adolescents, and adults. Fourth, the anterior tip of the MFS predicts the location of a face-selective region, mFus-faces/FFA-2. These findings are the first to illustrate that a macroanatomical landmark identifies both cytoarchitectonic and functional divisions of high-level sensory cortex in humans and have important implications for understanding functional and structural organization in the human brain.
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DOI: 10.1016/j.neuroimage.2013.08.068
PubMed: 24021838
PubMed Central: 3962787
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Vogt Institute for Brain Research, Heinrich Heine University Düsseldorf, Germany</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea>C. and O. Vogt Institute for Brain Research, Heinrich Heine University Düsseldorf</wicri:regionArea><wicri:noRegion>Heinrich Heine University Düsseldorf</wicri:noRegion><wicri:noRegion>Heinrich Heine University Düsseldorf</wicri:noRegion><wicri:noRegion>Heinrich Heine University Düsseldorf</wicri:noRegion></affiliation><affiliation wicri:level="3"><nlm:aff id="A4">Institute for Neuroscience and Medicine (INM-1), and JARA Brain, Research Centre Jülich, Jülich, Germany</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea>Institute for Neuroscience and Medicine (INM-1), and JARA Brain, Research Centre Jülich, Jülich</wicri:regionArea><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Juliers</settlement></placeName></affiliation><affiliation wicri:level="1"><nlm:aff id="A6">Department of Diagnostic and Interventional Radiology, University Düsseldorf, Medical Faculty, 40225 Düsseldorf, Germany</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Diagnostic and Interventional Radiology, University Düsseldorf, Medical Faculty, 40225 Düsseldorf</wicri:regionArea><wicri:noRegion>40225 Düsseldorf</wicri:noRegion><wicri:noRegion>40225 Düsseldorf</wicri:noRegion><wicri:noRegion>40225 Düsseldorf</wicri:noRegion></affiliation></author><author><name sortKey="Chuapoco, Miguel R" sort="Chuapoco, Miguel R" uniqKey="Chuapoco M" first="Miguel R." last="Chuapoco">Miguel R. Chuapoco</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Psychology, Stanford University, Stanford, CA 94305</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Psychology, Stanford University, Stanford</wicri:cityArea></affiliation></author><author><name sortKey="Mohlberg, Hartmut" sort="Mohlberg, Hartmut" uniqKey="Mohlberg H" first="Hartmut" last="Mohlberg">Hartmut Mohlberg</name><affiliation wicri:level="3"><nlm:aff id="A4">Institute for Neuroscience and Medicine (INM-1), and JARA Brain, Research Centre Jülich, Jülich, Germany</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea>Institute for Neuroscience and Medicine (INM-1), and JARA Brain, Research Centre Jülich, Jülich</wicri:regionArea><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Juliers</settlement></placeName></affiliation></author><author><name sortKey="Zilles, Karl" sort="Zilles, Karl" uniqKey="Zilles K" first="Karl" last="Zilles">Karl Zilles</name><affiliation wicri:level="3"><nlm:aff id="A4">Institute for Neuroscience and Medicine (INM-1), and JARA Brain, Research Centre Jülich, Jülich, Germany</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea>Institute for Neuroscience and Medicine (INM-1), and JARA Brain, Research Centre Jülich, Jülich</wicri:regionArea><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Juliers</settlement></placeName></affiliation><affiliation wicri:level="1"><nlm:aff id="A5">Department for Psychiatry, Psychotherapy and Psychosomatics, University Hospital Aachen, RWTH Aachen University, Germany</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department for Psychiatry, Psychotherapy and Psychosomatics, University Hospital Aachen, RWTH Aachen University</wicri:regionArea><wicri:noRegion>RWTH Aachen University</wicri:noRegion><wicri:noRegion>RWTH Aachen University</wicri:noRegion><wicri:noRegion>RWTH Aachen University</wicri:noRegion></affiliation></author><author><name sortKey="Amunts, Katrin" sort="Amunts, Katrin" uniqKey="Amunts K" first="Katrin" last="Amunts">Katrin Amunts</name><affiliation wicri:level="1"><nlm:aff id="A3">C. and O. Vogt Institute for Brain Research, Heinrich Heine University Düsseldorf, Germany</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea>C. and O. Vogt Institute for Brain Research, Heinrich Heine University Düsseldorf</wicri:regionArea><wicri:noRegion>Heinrich Heine University Düsseldorf</wicri:noRegion><wicri:noRegion>Heinrich Heine University Düsseldorf</wicri:noRegion><wicri:noRegion>Heinrich Heine University Düsseldorf</wicri:noRegion></affiliation><affiliation wicri:level="3"><nlm:aff id="A4">Institute for Neuroscience and Medicine (INM-1), and JARA Brain, Research Centre Jülich, Jülich, Germany</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea>Institute for Neuroscience and Medicine (INM-1), and JARA Brain, Research Centre Jülich, Jülich</wicri:regionArea><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Juliers</settlement></placeName></affiliation></author><author><name sortKey="Grill Spector, Kalanit" sort="Grill Spector, Kalanit" uniqKey="Grill Spector K" first="Kalanit" last="Grill-Spector">Kalanit Grill-Spector</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Psychology, Stanford University, Stanford, CA 94305</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Psychology, Stanford University, Stanford</wicri:cityArea></affiliation><affiliation wicri:level="2"><nlm:aff id="A2">Neuroscience Institute, Stanford University, Stanford, CA 94305</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Neuroscience Institute, Stanford University, Stanford</wicri:cityArea></affiliation></author></analytic><series><title level="j">NeuroImage</title><idno type="ISSN">1053-8119</idno><idno type="eISSN">1095-9572</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">Human ventral temporal cortex (VTC) plays a pivotal role in high-level vision. An under-studied macroanatomical feature of VTC is the mid-fusiform sulcus (MFS), a shallow longitudinal sulcus separating the lateral and medial fusiform gyrus (FG). Here, we quantified the morphological features of the MFS in 69 subjects (ages 7–40), and investigated its relationship to both cytoarchitectonic and functional divisions of VTC with four main findings. First, despite being a minor sulcus, we found that the MFS is a stable macroanatomical structure present in all 138 hemispheres with morphological characteristics developed by age 7. Second, the MFS is the locus of a lateral-medial cytoarchitechtonic transition within the posterior FG serving as the boundary between cytoarchitectonic regions FG1 and FG2. Third, the MFS predicts a lateral-medial functional transition in eccentricity bias representations in children, adolescents, and adults. Fourth, the anterior tip of the MFS predicts the location of a face-selective region, mFus-faces/FFA-2. These findings are the first to illustrate that a macroanatomical landmark identifies both cytoarchitectonic and functional divisions of high-level sensory cortex in humans and have important implications for understanding functional and structural organization in the human brain.</p></div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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