Three Groups of Rats Acquire a Memory on Day 1

Multiple Choice

Three groups of rats acquire a memory on day 1.On day 2,rats in group 1 are given a drug that prevents initial long-term storage while they are actively retrieving the memory.Rats in group 2 receive the drug but do not engage in memory retrieval.Rats in group 3 actively retrieve the memory and are shocked 6 hours later when they are not engaged in retrieval.On day 3,all three groups are assessed.Which group will show the GREATEST impairments in memory?

A) group 1
B) group 2
C) group 3
D) groups 1 and 2