TABLE 8.

The results of paired t-test for average gamma power before and after each regional condition for healthy subjects.

Hemisphere	Region	Conditions	Paired differences
			Mean±SD	SE mean	95% confidence interval of the difference
					Lower	Upper	P
Left	Occipital	Before–after	−1.99 ± 0.07	0.02	–2.03	–1.96	8.98×10− 25
	Parietal	Before–after	−2.39 ± 0.33	0.08	–2.57	–2.22	1.94×10− 15
	Central	Before–after	−2.40 ± 0.22	0.05	–2.51	–2.29	3.40×10− 18
	Frontal	Before–after	−2.26 ± 0.13	0.03	–2.33	–2.19	4.61×10− 21
	Temporal	Before–after	−1.61 ± 0.05	0.01	–1.63	–1.58	1.39×10− 25
Right	Occipital	Before–after	−0.28 ± 0.003	0.0008	–0.28	–0.27	6.31×10− 32
	Parietal	Before–after	−1.48 ± 0.02	0.007	–1.50	–1.47	5.71×10− 29
	Central	Before–after	−1.97 ± 0.12	0.03	–2.04	–1.91	1.26×10− 20
	Frontal	Before–after	−1.86 ± 0.09	0.02	–1.91	–1.82	2.35×10− 22
	Temporal	Before–after	−2.00 ± 0.09	0.02	–2.05	–1.95	1.31×10− 22