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Lateralität und Konnektivität

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Funktionelle MRT in Psychiatrie und Neurologie

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Zusammenfassung

Obwohl funktionelle Asymmetrien des Gehirns bereits in der Mitte des 19. Jahrhunderts beschrieben wurden, verstehen wir die Ursachen und Mechanismen der Hemisphärenspezialisierung (Lateralisierung) bisher nur unzureichend. Dieses Kapitel gibt einen Überblick, wie Fragen der Lateralisierung mit Hilfe der fMRT untersucht werden können und welche Vorteile die fMRT gegenüber anderen Verfahren bietet. Des Weiteren ist Hemisphärenspezialisierung eng mit Fragen zur Konnektivität des Hirns verzahnt. Zum einen wäre die Lateralisierung von Funktionen nutzlos ohne die Möglichkeit, die Funktion beider Hemisphären zu integrieren; zum anderen gibt es eine zunehmende Zahl von Befunden, die die Natur der funktionellen Hemisphätenunterschiede über Konnektivitätsunterschiede beschreiben. Aus diesen Gründen werden Lateralisierung und Konnektivität in diesem Kapitel zusammen behandelt.

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Authors and Affiliations

  1. Wellcome Department of Imaging Neuroscience, University College London Functional Imaging Laboratory, 12 Queen Square, London, WC1N 3BG, UK

    Dr. K. E. Stephan

  2. Klinik und Poliklinik für Neurologie, Klinikum der Universität zu Köln, Kerpener Str. 62, 50924, Köln

    Prof. Dr. G. R. Fink

  3. Institut für Neurowissenschaften und Biophysik — Medizin, Forschungszentrum Jülich, 52425, Jülich

    Prof. Dr. G. R. Fink

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  1. Dr. K. E. Stephan
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Editors and Affiliations

  1. Klinik für Psychiatrie und Psychotherapie, Universitätsklinikum Aachen, RWTH Aachen, Pauwelsstr. 30, 52074, Aachen

    Frank Schneider

  2. Klinik und Poliklinik für Neurologie, Klinikum der Universität zu Köln, Kerpener Str. 62, Haus 30, 50924, Köln

    Gereon R. Fink

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Stephan, K.E., Fink, G.R. (2007). Lateralität und Konnektivität. In: Schneider, F., Fink, G.R. (eds) Funktionelle MRT in Psychiatrie und Neurologie. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68558-6_23

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  • DOI: https://doi.org/10.1007/978-3-540-68558-6_23

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