tokens: Repeated administration of GRg2 20 mg / kg i . p . significantly improved the CYP - induced recognitional deficits by increasing the CYP - decreased rate from 55 . 8 + / - 9 . 6 to 80 . 8 + / - 4 . 2 in d 3 learning acquisition ( F ( 1 , 14 ) = 5 . 6 , p < 0 . 05 ) , from 53 . 4 + / - 8 . 4 to 60 . 0 + / - 8 . 2 in 48 h memory acquisition ( F ( 1 , 14 ) = 7 . 5 , p < 0 . 05 ) and from 55 . 0 + / - 5 . 5 to 88 . 3 + / - 2 . 5 in 24 h memory retention ( F ( 1 , 12 ) 27 . 5 , p < 0 . 01 ) as well as from 60 . 0 + / - 6 . 8 to 85 . 6 + / - 6 . 9 in 48 h memory retrieval ( F ( 1 , 12 ) = 5 . 2 , p < 0 . 05 ) , respectively .