Coupling among Electroencephalogram Gamma Signals on a Short Time Scale

Table 2

State	Mean (standard deviation)
	Tetrode 6	Tetrode 11	Tetrode 25	Tetrode 26
1	0.77	0.64	0.52	0.50
	(0.08)	(0.16)	(0.16)	(0.15)
2	0.54	0.84	0.51	0.50
	(0.17)	(0.07)	(0.17)	(0.16)
3	0.48	0.94	0.46	0.43
	(0.17)	(0.03)	(0.16)	(0.19)
4	0.52	0.66	0.63	0.64
	(0.17)	(0.16)	(0.17)	(0.17)