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Focal Discharges in Photosensitive Generalized Epilepsy

  • Chapter
Generalized Epilepsy

Abstract

The International League Against Epilepsy regularly proposes new classifications of epilepsy and epileptic syndromes (Gastaut and Merlis, 1970; Dreifuss et al., 1985). These classifications generally consider epilepsies with generalized seizures (generalized epilepsies) separately from those with partial or focal seizures (localization-related, partial, or focal epilepsies). In the most recent proposal of classification, it was recognized “that the dichotomy of generalized and localization-related epilepsies is not applicable in all cases because occasionally both generalized and focal features may be present in one patient, or neither of these features may be evident” (Dreifuss et al., 1985). If one goes into the details of one third of such classes of epilepsies (the first one being localization-related epilepsies and syndromes, the second one generalized epilepsies and syndromes) one will find:

  1. 3.1

    Epilepsies and syndromes with both generalized and focal seizures

    • Neonatal seizures

    • Severe myoclonic epilepsy in infancy

    • Epilepsy with continuous spike waves during slow wave sleep

    • Acquired epileptic aphasia (Landau-Kleffner syndrome)

  2. 3.2

    Without unequivocal generalized or focal features.

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Authors
  1. R. Naquet
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  2. A. Valin
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Editor information

Editors and Affiliations

  1. Montreal Neurological Institute, Department of Neurophysiology, McGill University, H3A 2B4, Montreal, Quebec, Canada

    Massimo Avoli M.D., Ph.D.  & Pierre Gloor Ph.D.  & 

  2. Department of Physiology, University of Patras Medical School, 261 10, Patras, Greece

    George Kostopoulos M.D., Ph.D.

  3. Laboratoire de Physiologie Nerveuse, CNRS, F-91198, Gif-sur-Yvette, France

    Robert Naquet M.D.

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Naquet, R., Valin, A. (1990). Focal Discharges in Photosensitive Generalized Epilepsy. In: Avoli, M., Gloor, P., Kostopoulos, G., Naquet, R. (eds) Generalized Epilepsy. Birkhäuser Boston. https://doi.org/10.1007/978-1-4684-6767-3_19

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  • DOI: https://doi.org/10.1007/978-1-4684-6767-3_19

  • Publisher Name: Birkhäuser Boston

  • Print ISBN: 978-1-4684-6769-7

  • Online ISBN: 978-1-4684-6767-3

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