See Marom Bikson's YouTube channel , new videos on tACS

Visit Marom Bikson’s YouTube channel here.

Update

In 3 parts, a scientifically precise but simple explanation of how transcranial Current Stimulation (tACS) works from a cellular perspective, focusing on oscillations. How does polarization under direct current (tDCS) inform tACS through the polarization time constant. Increasing tACS frequency, decreases polarization. Very low sensitivity to kHz tACS. Modulation gamma oscillations. Modulating oscillation power. More complex changes in oscillations (sub-harmonics). Sub-threshold modulation of ongoing activity by tACS. High-Definition tACS (HD-tACS) and how to optimize for brain targeting. 4x1-HD-tDCS.

Part 1 of 3: tACS basics. What is tACS dose (montage, duration, frequency, intensity)? What does frequency mean in tACS (what is Hz)? Peak intensity vs Peak-to-Peak intensity. Dose response if complex and not monotonic. Brain generated oscillations. Matching tACS frequency to brain oscillations. Neuronal polarization by tACS and role of frequency.

https://www.youtube.com/watch?v=lh7RU6KpGG4

Part 2 of 3: Role of tACS frequency, sub-threshold modulation of oscillations.

https://www.youtube.com/watch?v=VwHYQhHqvcM

Part 3 of 3: High-definition montages for tACS (HD-tACS).

https://www.youtube.com/watch?v=ksD1rwDzHuQ

Slides PDF download