Zusammenfassung
Bildgebende Verfahren wie die Magnetresonanz- und Positronenemissionstomographie haben entscheidend dazu beigetragen, dass psychiatrische Erkrankungen heutzutage im Kontext funktioneller, biochemischer und feinstruktureller Veränderungen des Gehirns verstanden werden. Im Bereich der Schizophrenieforschung gibt insbesondere die funktionelle Magnetresonanztomographie seit Mitte der 90er-Jahre wichtige Einblicke in die neurobiologischen Grundlagen schizophrener Defizitbereiche. Die vorliegende Arbeit stellt die wichtigsten fMRT-Befunde der letzten Dekade in den Bereichen Psychomotorik, visuelle bzw. akustische Informationsverarbeitung, Aufmerksamkeit und Arbeitsgedächtnis vor. Die Betrachtung erfolgt dabei unter der besonderen Berücksichtigung aktueller methodischer Ansätze wie der Darstellung von Therapieeffekten und der funktionellen Charakterisierung psychiatrischer Risikogene.
Abstract
Modern neuroimaging techniques such as magnetic resonance imaging (MRI) and positron emission tomography (PET) have contributed tremendously to our current understanding of psychiatric disorders in the context of functional, biochemical and microstructural alterations of the brain. Since the mid-nineties, functional MRI has provided major insights into the neurobiological correlates of signs and symptoms in schizophrenia. The current paper reviews important fMRI studies of the past decade in the domains of motor, visual, auditory, attentional and working memory function. Special emphasis is given to new methodological approaches, such as the visualisation of medication effects and the functional characterisation of risk genes.
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Tost, H., Meyer-Lindenberg*, A., Ruf, M. et al. Zehn Jahre funktionelle Magnetresonanztomographie in der Schizophrenieforschung. Radiologe 45, 113–123 (2005). https://doi.org/10.1007/s00117-004-1154-1
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DOI: https://doi.org/10.1007/s00117-004-1154-1
Schlüsselwörter
- Funktionelle Magnetresonanztomographie
- Schizophrenie
- Arbeitsgedächtnis
- Molekulargenetisch orientierte Bildgebung