Fig. 2From: Novel flexible cap for application of transcranial electrical stimulation: a usability studyHistograms of participants' responses on the evaluation of comfort (n = 60) (a), pressure sensation at four considered locations (n = 240 from 60 recordings of 4 positions) (b), sweat (n = 60) (c), and itch (n = 60) (d) sensationsBack to article page