Table 3. Comparisons of the causal density of original and reduced dimensionality at WMBS and WMS^a.

	Nb	Original dimensionality		Reduced dimensionality
		WMBS	WMS	WMBS	WMS
Rat 1	26	0.24±0.02	0.35±0.02**	0.22±0.05	0.41±0.03**/▵
Rat 2	20	0.14±0.02	0.19±0.03	0.18±0.04	0.34±0.04**/▵▵
Rat 3	28	0.19±0.02	0.27±0.02**	0.17±0.04	0.40±0.04**/▵▵
Rat 4	36	0.16±0.02	0.25±0.02**	0.20±0.02▵	0.35±0.03**/▵▵
Rat 5	28	0.24±0.05	0.43±0.07*	0.27±0.06	0.55±0.08**/▵▵
Rat 6	22	0.18±0.01	0.23±0.02*	0.23±0.04	0.36±0.05*/▵

^aThe values are the mean ± SEM of the causal density values of each rats (paired sample t test).

^bTotal number of the compared groups.

* p<0.05 compared to the causal density values at the WMBS in the original dimensionality or the reduced dimensionality.

** p<0.01 compared to the causal density values at the WMBS in the original dimensionality or the reduced dimensionality.

^▵p<0.05 compared to the causal density values of the original dimensionality at the WMBS or at the WMS.

^▵▵p<0.01 compared to the causal density values of the original dimensionality at the WMBS or at the WMS.