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Das motorische Intentionspotential

Elektrophysiologische Objektivierung einer alleinigen Bewegungsabsicht

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Abstract

Autocorrelation of the EEG was used to registrate a potential from the intact human scalp during intended, but not executed movements (dorsalflexion of the right hallux, imaginated in equal time intervals). This “Motor Intention Potential” (MIP) is a possible electrophysiological sign of the otherwise purely introspectively experienced intention of a voluntary movement and the cortex of the frontal lobes is suspected to be its origin. The average maximum amplitude height is 6 μV, and the potential shows a continuous decrease from the frontal to occipital region. The duration of MIP is in the range of seconds. Methodological questions are discussed, and the MIP is differentiated from other event-, movement- and imagination-related potentials. An attempt is made to place the motor intention potential in the context of existing movement theories.

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Authors and Affiliations

  1. Institut für Physiologie und Biokybernetik der Universität Erlangen-Nürnberg, D-8520, Erlangen

    Matthias Keidel

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  1. Matthias Keidel
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Gekürzte und veränderte Fassung der Dissertationsschrift, Medizinische Fakultät der Univers. Erlangen-Nürnberg, 1980. — Neurologische Klinik und Poliklinik der Technischen Universität München

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Keidel, M. Das motorische Intentionspotential. Naturwissenschaften 70, 180–185 (1983). https://doi.org/10.1007/BF01047555

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  • DOI: https://doi.org/10.1007/BF01047555

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