Neural mass models as a tool to investigate neural dynamics during seizures

被引:17
|
作者
Kameneva, Tatiana [1 ]
Ying, Tianlin [1 ]
Guo, Ben [1 ]
Freestone, Dean R. [2 ]
机构
[1] Univ Melbourne, Dept Elect & Elect Engn, Melbourne, Vic, Australia
[2] Univ Melbourne, Dept Med, St Vincents Hosp, Melbourne, Vic, Australia
基金
澳大利亚研究理事会;
关键词
Epilepsy; Seizure spread; Seizure suppression; Signal processing; Synaptic gain; EEG; Neural mass model; STIMULATION; EPILEPSY;
D O I
10.1007/s10827-017-0636-x
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Epilepsy is one of the most common neurological disorders and is characterized by recurrent seizures. We use theoretical neuroscience tools to study brain dynamics during seizures. We derive and simulate a computational model of a network of hippocampal neuronal populations. Each population within the network is based on a model that has been shown to replicate the electrophysiological dynamics observed during seizures. The results provide insights into possible mechanisms for seizure spread. We observe that epileptiform activity remains localized to a pathological region when a global connectivity parameter is less than a critical value. After establishing the critical value for seizure spread, we explored how to correct the effect by altering particular synaptic gains. The spreading of seizures is quantified using numerical methods for seizure detection. The results from this study provide a new avenue of exploration for seizure control.
引用
收藏
页码:203 / 215
页数:13
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