On the Changes of Consciousness Produced by Subtentorial Lesions

  • J. E. Paillas
  • R. Sedan
  • J. Bonnal


In order to study the changes of consciousness associated with lesions of the posterior fossa it is necessary to define consciousness so that we may be ready to recognise the different mechanisms which may affect it. Many authors have attempted definition. We believe that the following proposition may be satisfactory: consciousness is a state which allows us to react at every moment to exteroceptive and proprioceptive stimuli and to know their respective values; this implies both vigilance and the confrontation with more or less precise memories. As G. Jefferson wrote, there are “two extreme meanings, the psychological and the physiological”.


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Copyright information

© Springer-Verlag Wien 1964

Authors and Affiliations

  • J. E. Paillas
    • 1
  • R. Sedan
  • J. Bonnal
  1. 1.University of MarseillesFrance

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