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Neuropsychologie der Zahlenverarbeitung und des Rechnens

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Klinische Neuropsychologie

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6. Zusammenfassung

Störungen des Transkodierens und des Rechnens sind häufig nach erworbenen Hirnschädigungen (z.B. Schlaganfall, Schädel-Hirntrauma, Demenz) und können den Alltag von Patienten deutlich beeinträchtigen. In der Diagnostik und Therapie müssen verschiedene Verarbeitungsstufen differenziert werden, wie sie von kognitiven und neuro-anatomischen Modellen (z.B. McCloskey 1992; Dehaene u. Cohen 1995) dargestellt wurden. Im Transkodieren unterscheidet man zwischen Verständnis- und Produktionsmechanismen, die jeweils lexikalische und syntaktische Verarbeitung umfassen. Im Rechnen differenziert man zwischen konzeptuellem Verständnis, Faktenabruf, Rechenprozeduren und approximativem Verarbeiten. Gestörte Aufmerksamkeit, Aphasie und reduzierte exekutive Funktionen können die numerischen Fertigkeiten beeinträchtigen. Gezielte Therapieansätze haben sich im Bereich numerischer Defizite als erfolgreich erwiesen.

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Authors and Affiliations

  1. Universitätsklinik für Psychiatrie, Medizinische Universität Innsbruck, Anichstraße 35, A-6020, Innsbruck

    Ao. Prof. Dr. Margarete Delazer

  2. Neurologische Klinik, Universitätsklinikum der RWTH Aachen, Pauwelstraße 30, D-52074, Aachen

    Dr. Frank Domahs

Authors
  1. Ao. Prof. Dr. Margarete Delazer
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  2. Dr. Frank Domahs
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Johann Lehrner Gisela Pusswald Elisabeth Fertl Ilse Kryspin-Exner Wilhelm Strubreither

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Delazer, M., Domahs, F. (2006). Neuropsychologie der Zahlenverarbeitung und des Rechnens. In: Lehrner, J., Pusswald, G., Fertl, E., Kryspin-Exner, I., Strubreither, W. (eds) Klinische Neuropsychologie. Springer, Vienna. https://doi.org/10.1007/3-211-32303-1_30

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