Table 4.

t-tests of differences in gamma power in response to positive versus negative words across electrodes for the entire processing window (8 sec post-stimulus onset).

Electrode	Control			Depressed			Schizophrenia
	t(22)	p	d	t(14)	p	d	t(14)	p	d
Fz	0.55	.59	0.11	−0.77	.46	−0.20	0.49	.63	0.13
Cz	−0.01	.99	0.00	−1.55	.14	−0.40	−0.03	.98	−0.01
Pz	−0.66	.51	−0.14	−1.52	.15	−0.39	0.32	.76	0.08
Oz	−0.99	.33	−0.21	−2.19	.05	−0.57	0.89	.39	0.23
Fp1	0.44	.67	0.09	−17	.26	−0.30	0.88	.39	0.23
F3	−0.06	.95	−0.01	−0.85	.41	−0.22	−1.15	.27	−0.30
F7	−1.25	.22	−0.26	−1.92	.08	−0.50	0.25	.81	0.06
C3	−1.01	.32	−0.21	−2.37	.03	−0.61	−0.76	.46	−0.20
P3	−0.64	.53	−0.13	−1.43	.18	−0.37	0.26	.79	0.07
T3	−0.77	.45	−0.16	−1.73	.11	−0.45	−0.43	.68	−0.11
T5	−0.03	.98	−0.01	−2.59	.02	−0.67	0.36	.72	0.09
O1	−0.10	.92	−0.02	−1.14	.27	−0.29	1.22	.24	0.32
Fp2	0.72	.48	0.15	−0.27	.79	−0.07	1.98	.07	0.51
F4	−0.54	.59	−0.11	−0.36	.72	−0.09	0.15	.89	0.04
F8	−0.15	.88	−0.03	−1.53	.15	−0.40	0.82	.43	0.21
C4	−0.66	.52	−0.14	−2.02	.06	−0.52	0.66	.52	0.17
P4	−1.45	.16	−0.30	−2.22	.04	−0.57	0.85	.41	0.22
T4	−1.10	.28	−0.23	−1.27	.22	−0.33	−0.15	.89	−0.04
T6	−0.70	.49	−0.15	−0.77	.45	−0.20	1.60	.13	0.41
O2	−0.07	.95	−0.01	−0.79	.45	−0.20	0.55	.59	0.14
# of electrodes with p < .1	0				6			1

Note: d represent Cohen’s d, calculated as the t value divided by the square root of n. Bold = values significant at p <.1.