Mohsen Poorganji, Reza Zomorrodi, Christoph Zrenner, Aiyush Bansal, Colin Hawco, Aron T Hill, Itay Hadas, Tarek K Rajji, Robert Chen, Brigitte Zrenner, Daphne Voineskos, Daniel M Blumberger, Zafiris J Daskalakis
The cortical response to transcranial magnetic stimulation (TMS) has notable inter-trial variability. One source of this variability can be the influence of the phase and power of pre-stimulus neuronal oscillations on single-trial TMS responses. Here, we investigate the effect of brain oscillatory activity on TMS response in 49 distinct healthy participants (64 datasets) who had received single-pulse TMS over the left dorsolateral prefrontal cortex. Across all frequency bands of theta (4-7 Hz), alpha (8-13 Hz), and beta (14-30 Hz), there was no significant effect of pre-TMS phase on single-trial cortical evoked activity...
February 3, 2023: Biosensors