Microstate D as a Biomarker in Schizophrenia: Insights from Brain State Transitions

被引:3
作者
Yao, Rong [1 ]
Song, Meirong [1 ]
Shi, Langhua [1 ]
Pei, Yan [1 ]
Li, Haifang [1 ]
Tan, Shuping [2 ]
Wang, Bin [1 ]
机构
[1] Taiyuan Univ Technol, Coll Comp Sci & Technol, Coll Data Sci, Taiyuan 030024, Peoples R China
[2] Peking Univ, Beijing HuiLongGuan Hosp, Psychiat Res Ctr, Huilongguan Clin Med Sch, Beijing 100096, Peoples R China
基金
中国国家自然科学基金;
关键词
microstate; brain network; synchronization; controllability; pinning nodes; schizophrenia; PREFRONTAL CORTEX; OSCILLATIONS; RESPONSES; DURATION; NETWORKS;
D O I
10.3390/brainsci14100985
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Objectives. There is a significant correlation between EEG microstate and the neurophysiological basis of mental illness, brain state, and cognitive function. Given that the unclear relationship between network dynamics and different microstates, this paper utilized microstate, brain network, and control theories to understand the microstate characteristics of short-term memory task, aiming to mechanistically explain the most influential microstates and brain regions driving the abnormal changes in brain state transitions in patients with schizophrenia. Methods. We identified each microstate and analyzed the microstate abnormalities in schizophrenia patients during short-term memory tasks. Subsequently, the network dynamics underlying the primary microstates were studied to reveal the relationships between network dynamics and microstates. Finally, using control theory, we confirmed that the abnormal changes in brain state transitions in schizophrenia patients are driven by specific microstates and brain regions. Results. The frontal-occipital lobes activity of microstate D decreased significantly, but the left frontal lobe of microstate B increased significantly in schizophrenia, when the brain was moving toward the easy-to-reach states. However, the frontal-occipital lobes activity of microstate D decreased significantly in schizophrenia, when the brain was moving toward the hard-to-reach states. Microstate D showed that the right-frontal activity had a higher priority than the left-frontal, but microstate B showed that the left-frontal priority decreased significantly in schizophrenia, when changes occur in the synchronization state of the brain. Conclusions. In conclusion, microstate D may be a biomarker candidate of brain abnormal activity during the states transitions in schizophrenia, and microstate B may represent a compensatory mechanism that maintains brain function and exchanges information with other brain regions. Microstate and brain network provide complementary perspectives on the neurodynamics, offering potential insights into brain function in health and disease.
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收藏
页数:18
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