Table 2.

The Pearson’s correlation coefficients of the treated and control animals.

	Pearson’s correlation coefficient
Rats	No filtering	2×2	4×4	8×8
R1-C	0.08	0.47	0.65	0.84
R2-C	0.29	0.66	0.83	0.96
R3-C	0.61	0.76	0.86	0.95
R4-C	0.14	0.37	0.58	0.84
R5-C	−0.06	0.12	0.18	0.60
R6-T	0.59	0.71	0.78	0.93
R7-T	0.53	0.73	0.74	0.93
R8-T	0.17	0.50	0.73	0.91
R9-T	0.65	0.75	0.83	0.92
R10-T	0.20	0.78	0.88	0.93
R11-T	0.62	0.88	0.94	0.99
R12-T	0.36	0.82	0.89	0.96
R13-T	0.34	0.60	0.75	0.92
Mean ± 1.96·SE	0.35±0.13	0.63±0.12	0.74±0.11	0.90±0.05