Dynamical Systems and Depression: A Framework for Theoretical Perspectives |
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Authors: | N. Thomasson L. Pezard |
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Affiliation: | (1) Unité de Neurosciences Cognitives et Imagerie Cérébrale, LENA- CNRS UPR 640-Hôpital de la Salpêtrière, 75651 Paris Cedex 13, France;(2) Laboratoire de Neurosciences Comportementales, Université, Paris 5, Centre Universitaire des Saints-Pères, Paris, France |
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Abstract: | The theory of dynamical systems allows one to describe the change in a system's macroscopic behavior as a bifurcation in the underlying dynamics. We show here, from the example of depressive syndrome, the existence of a correspondence between clinical and electro-physiological dimensions and the association between clinical remission and brain dynamics reorganization (i.e. bifurcation). On the basis of this experimental study, we discuss the interest of such results concerning the question of normality versus pathology in psychiatry and the relationship between mind and brain. |
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Keywords: | Dynamical systems depressive syndrome normal/pathologic mind/brain electroencephalogram |
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