TY - GEN
T1 - Modulating sensorimotor synchronization through theta burst stimulation of the posterior parietal cortex
T2 - 19th International Conference on Complex Medical Engineering, CME 2025
AU - Liu, Han
AU - Xiao Yan, G.
AU - Hu, Mengxuan
AU - Yan, Tianyi
AU - Funahashi, Shintaro
AU - Pei, Guangying
N1 - Publisher Copyright:
© 2025 IEEE.
PY - 2025
Y1 - 2025
N2 - We investigated the effects of continuous (cTBS) and intermittent (iTBS) theta-burst stimulation over the right posterior parietal cortex (PPC) on sensorimotor-task performance and cortical activity in three healthy volunteers. The results showed significant changes in the continuation and simple reaction tasks. In the simple reaction task, cTBS consistently shortened reaction times, whereas iTBS lengthened them, indicating a role for the PPC in response control. TMSEEG revealed that cTBS reduced TEP amplitudes of the P2 and the motor areas, whereas iTBS increased them; cTBS also shortened latencies of the motor areas, whereas iTBS lengthened them. In conclusion, cTBS improved motor performance by decreasing cortical excitability and increasing information processing efficiency, whereas iTBS impairs motor performance by excessively increasing excitability.
AB - We investigated the effects of continuous (cTBS) and intermittent (iTBS) theta-burst stimulation over the right posterior parietal cortex (PPC) on sensorimotor-task performance and cortical activity in three healthy volunteers. The results showed significant changes in the continuation and simple reaction tasks. In the simple reaction task, cTBS consistently shortened reaction times, whereas iTBS lengthened them, indicating a role for the PPC in response control. TMSEEG revealed that cTBS reduced TEP amplitudes of the P2 and the motor areas, whereas iTBS increased them; cTBS also shortened latencies of the motor areas, whereas iTBS lengthened them. In conclusion, cTBS improved motor performance by decreasing cortical excitability and increasing information processing efficiency, whereas iTBS impairs motor performance by excessively increasing excitability.
KW - Posterior parietal cortex
KW - Theta Burst Stimulation
KW - Transcranial magnetic stimulation-electroencephalography
UR - https://www.scopus.com/pages/publications/105029641536
U2 - 10.1109/CME67420.2025.11239383
DO - 10.1109/CME67420.2025.11239383
M3 - Conference contribution
AN - SCOPUS:105029641536
T3 - 2025 19th International Conference on Complex Medical Engineering, CME 2025
SP - 352
EP - 355
BT - 2025 19th International Conference on Complex Medical Engineering, CME 2025
PB - Institute of Electrical and Electronics Engineers Inc.
Y2 - 1 August 2025 through 3 August 2025
ER -