Interhemispheric compensation: A hypothesis of TMS-induced effects on language-related areas

被引:29
作者
Andoh, Jamila [1 ,2 ,3 ,4 ]
Martinot, Jean-Luc [1 ,2 ,3 ,4 ]
机构
[1] INSERM, IFR49, Res Unit Neuroimaging & Psychiat, U797, Orsay, France
[2] Hosp Dept Frederic Joliot & Neurospin, CEA, 12BM, U Neuroimaging & Psychiat 797, Orsay, France
[3] Paris Descartes Univ, UMR U797, Paris, France
[4] Univ Nottingham, Brain & Body Ctr, Nottingham NG7 2RD, England
关键词
transcranial magnetic stimulation; aphasia; functional reorganisation; language recovery;
D O I
10.1016/j.eurpsy.2007.10.012
中图分类号
R749 [精神病学];
学科分类号
100205 ;
摘要
Repetitive transcranial magnetic stimulation (rTMS) applied over brain regions responsible for language processing is used to curtail potentially auditory hallucinations in schizophrenia patients and to investigate the functional organisation of langua ge-related areas. Variability of effects is, however, marked across studies and between subjects. Furthermore, the mechanisms of action of rTMS are poorly understood. Here, we reviewed different factors related to the structural and functional organisation of the brain that might influence rTMS-indUced effects. Then, by analogy with aphasia studies, and the plastic-adaptive changes in both the left and right hemispheres following aphasia recovery. a hypothesis is proposed about rTMS mechanisms over language-related areas (e.g. Wernicke, Broca). We proposed that the local interference induced by rTMS in language- re I ated areas might be analogous to aphasic stroke and might lead to a functional reorganisation in areas connected to the virtual lesion for language recovery. (c) 2008 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:281 / 288
页数:8
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