Abstract:
OBJECTIVE:To assess functional organization of the motor cortex in patients with Unverricht-Lundborg disease (EPM1A) using a combined neurophysiologic and imaging approach. METHODS:EPM1A patients underwent transcranial magnetic stimulation (TMS)-based cortical mapping of the motor hand area. Moreover, they performed neuroimaging studies to assess functional magnetic resonance imaging (fMRI) activation maps related to motor hand task and cortical thickness (CTH) on T1-weighted 3D images. RESULTS:The hand cortical representation was different in EPM1A patients from that of the control subjects both in TMS and in fMRI brain mapping, characterized by a posterior dislocation and a mild reduction in the activation of motor areas. CTH analysis revealed a thinning of both precentral and paracentral areas in the patients. CONCLUSIONS:We hypothesize that the altered cortical motor map reflects a functional reorganization of the residual cortical neuronal pool of the sensorimotor hand areas driven by plastic reorganization and/or pathophysiological mechanisms. SIGNIFICANCE:Both pathophysiological process and plastic changes may represent two sides of the same phenomenon in the EPM1A patients; structural and functional brain mapping may help to identify functional reorganization of the cortical motor system.
journal_name
Epilepsy Resjournal_title
Epilepsy researchauthors
Rossi Sebastiano D,Visani E,Contarino VE,Panzica F,Duran D,D'Incerti L,Franceschetti S,Canafoglia Ldoi
10.1016/j.eplepsyres.2020.106278subject
Has Abstractpub_date
2020-02-01 00:00:00pages
106278eissn
0920-1211issn
1872-6844pii
S0920-1211(19)30491-7journal_volume
160pub_type
杂志文章abstract::Temporal lobe epilepsy (TLE) is the most common type of epilepsy with about one third of TLE patients being refractory to antiepileptic drugs. Knowledge about the mechanisms underlying seizure activity is fundamental to the discovery of new drug targets. Brain Na(+),K(+)-ATPase activity contributes to the maintenance ...
journal_title:Epilepsy research
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journal_title:Epilepsy research
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journal_title:Epilepsy research
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pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2008.11.006
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journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2007.09.006
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journal_title:Epilepsy research
pub_type: 杂志文章
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journal_title:Epilepsy research
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journal_title:Epilepsy research
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journal_title:Epilepsy research
pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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更新日期:1998-05-01 00:00:00
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pub_type: 杂志文章
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journal_title:Epilepsy research
pub_type: 杂志文章
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更新日期:2014-03-01 00:00:00
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pub_type: 杂志文章,评审
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