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Chin. Phys. B, 2015, Vol. 24(8): 088704    DOI: 10.1088/1674-1056/24/8/088704
INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY Prev   Next  

Effect of focused ultrasound stimulation at different ultrasonic power levels on the local field potential power spectrum

Yuan Yi (袁毅)a, Lu Cheng-Biao (路承彪)a, Li Xiao-Li (李小俚)b c
a Institute of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China;
b State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China;
c Center for Collaboration and Innovation in Brain and Learning Sciences, Beijing Normal University, Beijing 100875, China
Abstract  

Local field potential (LFP) signals of the rat hippocampus were recorded under noninvasive focused ultrasound stimulation (FUS) with different ultrasonic powers. The LFP mean absolute power was calculated with the Welch algorithm at the delta, theta, alpha, beta, and gamma frequency bands. The experimental results demonstrate that the LFP mean absolute power at different frequency bands increases as the ultrasound power increases.

Keywords:  focused ultrasound stimulation      local field potential      power spectrum  
Received:  14 January 2015      Revised:  11 March 2015      Accepted manuscript online: 
PACS:  87.50.Y- (Biological effects of acoustic and ultrasonic energy)  
  87.19.le (EEG and MEG)  
Fund: 

Project supported by the National Natural Science Foundation of China (Grant No. 61273063), China Postdoctoral Science Foundation (Grant No. 2013M540215), and the Natural Science Foundation of Hebei Province, China (Grant No. F2014203161).

Corresponding Authors:  Yuan Yi, Li Xiao-Li     E-mail:  yuanyi513@ysu.edu.cn;xiaoli@bnu.edu.cn

Cite this article: 

Yuan Yi (袁毅), Lu Cheng-Biao (路承彪), Li Xiao-Li (李小俚) Effect of focused ultrasound stimulation at different ultrasonic power levels on the local field potential power spectrum 2015 Chin. Phys. B 24 088704

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