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Schlaf und veränderte Bewusstseinszustände

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Zusammenfassung

Jede Nacht erleben wir eine andere Welt: Wir schlafen und träumen. Mit Wörtern wie Rausch oder Trance beschreiben wir veränderte Bewusstseinszustände, in denen sich unser Erleben merklich vom gewöhnlichen Wachbewusstsein unterscheidet, selbst wenn uns das während des Erlebens nicht immer direkt klar ist, wie z. B. in »klassischen«, halluzinativen Träumen. Wir verstehen darunter auch klinisch relevante Zustände wie das Koma oder die Narkose, die durch das von außen beobachtbare Verhalten eines Patienten definiert werden, ohne dass eindeutig feststeht, in welchem Ausmaß subjektives Erleben in diesen Zuständen erhalten bleibt.

Es gibt verschiedene Möglichkeiten, mit Hilfe der fMRT veränderte Bewusstseinszustände zu untersuchen. Solche Untersuchungen befinden sich in den Anfängen, und es existieren zum jetzigen Zeitpunkt nur wenige veröffentlichte Studien hierzu. Daher werden wir in der Folge auch auf die methodischen Herausforderungen dieser Forschungsrichtung eingehen.

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© 2007 Springer Medizin Verlag Heidelberg

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Mierdorf, T. (2007). Schlaf und veränderte Bewusstseinszustände. 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_13

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  • DOI: https://doi.org/10.1007/978-3-540-68558-6_13

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-20474-9

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