CASIA OpenIR  > 中国科学院分子影像重点实验室
Differential neural responses to acupuncture revealed by MEG using wavelet-based time-frequency analysis: A pilot study
You, Youbo; Bai, Lijun; Dai, Ruwei; Xue, Ting; Zhong, Chongguang; Feng, Yuanyuan; Wang, Hu; Liu, Zhenyu; Tian, Jie
2011
Conference Namethe Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
Source PublicationAnnual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS)
Pages7099-7102
Conference Date2011
Conference PlaceCancun,mexico
AbstractAbstract—Acupoint specificity, lying at the core of the Traditional Chinese Medicine, still faces many controversies. As previous neuroimaging studies on acupuncture mainly adopted relatively low time-resolution functional magnetic resonance imaging (fMRI) technology and inappropriate block-designed experimental paradigm due to sustained effect, in the current study, we employed a single block-designed paradigm together with high temporal-resolution magnetoencephalography (MEG) technology. We applied time-frequency analysis based upon Morlet wavelet transforming approach to detect differential oscillatory brain dynamics induced by acupuncture at Stomach Meridian 36 (ST36) using a nearby nonacupoint (NAP) as control condition. We observed that frequency power changes were mainly restricted to delta band for both ST36 group and NAP group. Consistently increased delta band power in contralateral temporal regions and decreased power in the counterparts of ipsilateral hemisphere were detected following stimulation at ST36 on the right leg. Compared with ST36, no significant delta ranges were found in temporal regions in NAP group, illustrating different oscillatory brain patterns. Our results may provide additional evidence to support the specificity of acupuncture modulation effects.
KeywordNeural Responses Wavelet-based Time-frequency Analysis
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.ia.ac.cn/handle/173211/5426
Collection中国科学院分子影像重点实验室
Corresponding AuthorTian, Jie
Recommended Citation
GB/T 7714
You, Youbo,Bai, Lijun,Dai, Ruwei,et al. Differential neural responses to acupuncture revealed by MEG using wavelet-based time-frequency analysis: A pilot study[C],2011:7099-7102.
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