A total of 26 young adu1t male albino rats served as the threenon-consolidation groups (NC) of DBA memory: normal saline solution (NS/NC),Trypsin (T/NC) and Chymotrypsin (CT/NC).

• 26只刚成年的雄性大鼠分作三组:生理盐水/不巩固组(NS/NC)、胰蛋白酶/不巩固组(T/NC)与胰凝乳蛋白酶/不巩固组(CT/NC)。