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Functional mapping of the human insula: Data from electrical stimulations by Mazzola, L.; Mauguière, F.; Isnard, J. is a Medicine article available to read on EtoBox.
What is Functional mapping of the human insula: Data from electrical stimulations about?
Electrical stimulations of the insula performed during stereo-electro-encephalography (SEEG) reproduce the ictal symptoms observed during the development of insular seizures and are also a unique opportunity to provide a functional mapping of the insular cortex. We provide here a functional mapping of the insular cortex obtained by electrical stimulation, based on our previous work and a review of literature. The most frequent responses to insula stimulation were somatosensory sensations followed by visceral responses. Then, in decreasing order of frequency, auditory sensations, vestibular illusions, speech impairment, gustato-olfactory sensations and motor reactions were evoked. A bipolar organization could be evidenced with a posterior part assigned to somatosensory functions and notably to pain perception; and an anterior part assigned to visceral functions. Although some degree of spatial segregation could be evidenced, there was a clear spatial overlap between the representations of the different types of responses. These data provide a better understanding of physiological insular functions, insula seizures semiology and a prediction of post-surgical deficits. Insula is the o
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- Author
- Mazzola, L.; Mauguière, F.; Isnard, J.
- Publisher
- Masson Editeur; Elsevier ; Elsevier Masson; Elsevier BV (ISSN 0035-3787)
- Published
- 2019
- Language
- EN
- Field
- Medicine (Health Sciences)