TABLE 4.

Summary of the Linear Regression Analysis Showing the Relationship Between Reaction Times and Electrophysiological Data

ERP Measures	Type of Responses	Electrodes	Control				Habit Disorder				Chronic Tic Disorder
			R2	Slope	Intercept	P	R2	Slope	Intercept	P	R2	Slope	Intercept	P
Preparation potential	Automated	Fz	0.55	−30.38	−0.56	0.00	0.02	−129.33	−0.13	0.60	0.04	−156.02	−0.14	0.51
		C3	0.52	−28.69	−0.54	0.00	0.01	−151.27	−0.09	0.70	0.01	−148.66	−0.10	0.70
		C4	0.42	−45.84	−0.51	0.01	0.00	−172.94	0.03	0.91	0.03	−119.26	−0.16	0.60
		Pz	0.54	−28.50	−0.57	0.00	0.02	−195.85	0.13	0.59	0.02	−92.76	−0.17	0.62
	Controlled	Fz	0.14	−101.79	−0.29	0.19	0.02	−161.51	−0.08	0.56	0.11	−206.32	0.17	0.26
		C3	0.64	−49.06	−0.54	0.00	0.01	−148.22	−0.06	0.67	0.07	−205.81	0.17	0.37
		C4	0.35	−89.73	−0.37	0.03	0.01	−146.61	−0.07	0.66	0.01	−145.95	−0.04	0.80
		Pz	0.37	−74.70	−0.45	0.02	0.01	−167.95	0.08	0.69	0.00	−174.74	0.00	0.98
Motor potential	Automated	Fz	0.21	−152.01	0.33	0.10	0.06	−12.33	−0.22	0.33	0.00	−29.21	−0.04	0.86
		C3	0.26	−163.14	0.34	0.06	0.10	4.70	−0.31	0.21	0.08	20.90	−0.26	0.34
		C4	0.25	−155.34	0.32	0.07	0.02	−41.43	−0.13	0.57	0.00	−38.81	−0.02	0.91
		Pz	0.20	−177.84	0.36	0.11	0.05	−27.30	−0.22	0.37	0.01	−45.88	−0.07	0.72
	Controlled	Fz	0.03	−16.12	−0.05	0.58	0.05	−18.47	−0.12	0.39	0.01	−81.40	0.08	0.79
		C3	0.12	−89.44	0.15	0.23	0.13	−5.13	−0.20	0.16	0.00	−77.44	−0.01	0.98
		C4	0.01	−49.68	0.03	0.74	0.05	−17.75	−0.13	0.37	0.01	−84.68	0.08	0.74
		Pz	0.02	−27.32	−0.05	0.65	0.05	−30.72	−0.12	0.40	0.00	−75.08	0.03	0.91

Data in bold characters are significant at 0.05.