Fig. 2From: Enhancement of dynamic visual acuity using transcranial alternating current stimulation with gamma burst entrained on alpha wave troughsA The experimental protoco. The experimental protocol. Participants remained in eyes opened, resting state during intervention period, and B Description of a computerized DVA task session. One trial consisted of a fixation lasting 1.5–2.5 s and a Landolt’s C-ring with random gap direction (left, right, top, bottom) moving across the screen (left or right) followed by the fixationBack to article page