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Start Over Author "P. Toulouse" Journal neuroimage
9 results on '"P. Toulouse"'

5. Estimation of MEG signal space versus time and modelization of the cerebral activity by a probability distribution upon the cortical surface: improvement and limits of spatial resolution

Author

Jean-Marie Scarabin, P. Bihouée, Eric Poiseau, A. Bouliou, and P. Toulouse

Subjects
Cerebral activity, Neurology, Cognitive Neuroscience, Statistics, Probability distribution, Cortical surface, Space (mathematics), Image resolution, Algorithm, Signal, Mathematics
Published
1996
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9. Magnetoencephalographic studies of two cases of diffuse subcortical laminar heterotopia or so-called double cortex.

Author

Toulouse P, Agulhon C, Taussig D, Napuri S, Biraben A, Jannin P, Carsin M, and Scarabin JM

Subjects
Adult, Brain Mapping, Child, Epilepsies, Partial physiopathology, Epilepsy, Generalized physiopathology, Evoked Potentials, Auditory physiology, Evoked Potentials, Somatosensory physiology, Female, Humans, Infant, Male, Spasms, Infantile physiopathology, Cerebral Cortex physiopathology, Choristoma, Epilepsies, Partial congenital, Epilepsy, Generalized congenital, Image Processing, Computer-Assisted, Imaging, Three-Dimensional, Magnetic Resonance Imaging, Spasms, Infantile congenital
Abstract

Two cases (a young male and a girl, suffering intractable epilepsy) of diffuse subcortical laminar heterotopia, or so-called double cortex (DC) have been investigated using magnetoencephalography (MEG). MEG confirmed involvement of both cortices (hetero- and normocortex) in the genesis of interictal spikes, and, according to the heterogeneity of DC syndrome, some differences were observed: spike initiation in the normocortex and latter involvement of the heterotopic cortex in the man, and rather a cancellation in both cortices in the girl. In addition, participation of heterotopic cortex in physiological activities could be demonstrated in the man.

Published
2003
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