Table 1.

Clinical rating before (pre) and after (post) transcranial direct current stimulation (tDCS) treatment for 5 days.

Tests	Patient 1			Patient 2			Patient 3
	pre	post	Δ [%]	pre	post	Δ [%]	pre	post	Δ [%]
YGTSS	29	19	−34.5	38	43	13.2	36	38	5.6
YBOCS	18	3	−83.3	0	0	0.0	10	12	20.0
PANAS neg.	17	16	−5.9	15	12	−20.0	23	19	−17.4
PANAS pos.	34	35	2.9	26	34	30.8	26	27	3.8
tic count (3 min)	11	13	18.2	19	57	200.0	218	371	70.2