STN-DBS frequency-tuned beta subband dynamics are associated with speech tempo in Parkinson's disease
Tian, H.; Wu, Y.; Fan, Y.; Yin, Z.; Guo, Y.; Meng, F.; Zhang, J.; Yu, H.; Li, L.
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In Parkinsons disease, subthalamic nucleus deep brain stimulation (STN-DBS) frequency modulates narrow beta subbands, with low-frequency stimulation (LFS) selectively attenuating 15-23 Hz power. The negative association between this subband and speech tempo, together with the LFS-related improvement in articulatory rate, suggests that 15-23 Hz subband dynamics may serve as a candidate neural marker associated with speech tempo modulation.
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