期刊
JOURNAL OF NEURAL ENGINEERING
卷 18, 期 6, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1741-2552/ac409f
关键词
ultrasound thalamic stimulation; thalamus; motor cortex; neural activity
资金
- National Natural Science Foundation of China [61827811, 61803003, 81871029]
This study demonstrates that UTS can directly induce neural activity in the thalamus and indirectly induce neural activity in the M1, with a strong connection relationship between thalamus and M1 under UTS. These findings have the potential to guide ultrasound treatment of thalamus-related diseases.
Objective. Previous studies have demonstrated that ultrasound thalamic stimulation (UTS) can treat disorders of consciousness. However, it is still unclear how UTS modulates neural activity in the thalamus and cortex. Approach. In this study, we performed UTS in mice and recorded the neural activities including spike and local field potential (LFP) of the thalamus and motor cortex (M1). We analyzed the firing rate of spikes and the power spectrum of LFPs and evaluated the coupling relationship between LFPs from the thalamus and M1 with Granger causality. Main results. Our results clearly indicate that UTS can directly induce neural activity in the thalamus and indirectly induce neural activity in the M1. We also found that there is a strong connection relationship of neural activity between thalamus and M1 under UTS. Significance. These results demonstrate that UTS can modulate the neural activity of the thalamus and M1 in mice. It has the potential to provide guidance for the ultrasound treatment of thalamus-related diseases.
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