Modeling of post-stroke stimulation of cortical tissue

被引：5
|
作者：
Beuter, A. [1 ,2 ]
Balossier, A. [3 ]
Trofimchuk, S. [4 ]
Volpert, V. [5 ,6 ,7 ,8 ]
机构：
[1] Bordeaux INP, Bordeaux, France
[2] Equipage Innovat SARL, Plerin, France
[3] Aix Marseille Univ, AP HM La Timone, Neurochirurg Fonct & Stereotax, Marseille, France
[4] Univ Talca, Inst Matemat & Fis, Talca, Chile
[5] Univ Lyon 1, UMR CNRS 5208, Inst Camille Jordan, F-69622 Villeurbanne, France
[6] Univ Lyon, Univ Lyon 1, INRIA, Inst Camille Jordan, 43 Bd 11 Novembre 1918, F-69200 Villeurbanne, France
[7] Peoples Friendship Univ Russia, RUDN Univ, 6 Miklukho Maklaya St, Moscow 117198, Russia
[8] Poncelet Ctr, UMI CNRS 2615, 11 Bolshoy Vlasyevskiy, Moscow 119002, Russia
来源：
MATHEMATICAL BIOSCIENCES | 2018年 / 305卷
关键词：
Brain tissue; Stroke; Wave speed; TRANSCRANIAL MAGNETIC STIMULATION; EPIDURAL ELECTRICAL-STIMULATION; TRAVELING-WAVES; BRAIN ACTIVITY; FOLLOW-UP; STROKE; APHASIA; REHABILITATION; RECOVERY; MULTICENTER;
D O I：
10.1016/j.mbs.2018.08.014
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Following a stroke, cortical networks in the penumbra area become fragmented and partly deactivated. We develop a model to study the propagation of waves of electric potential in the cortical tissue with integro-differential equations arising in neural field models. The wave speed is characterized by the tissue excitability and connectivity determined through parameters of the model. Post-stroke tissue damage in the penumbra area creates a hypoconnectivity and decreases the speed of wave propagation. It is proposed that external stimulation could restore the wave speed in the penumbra area under certain conditions of the parameters. Model guided cortical stimulation could be used to improve the functioning of cortical networks.
引用
收藏
页码：146 / 159
页数：14
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