Table 1 . Correlations between the different absolute amount of learning indexes computed.

	MREPRE – MREPOST	MREPRE – MRERET1	MREPRE – MRERET2
MREPRE – MRERET1	0.882*
MREPRE – MRERET2	0.598*	0.559*
MREPRE – MRERET3	0.756*	0.774*	0.544*

Note:

^*p < 0.001.