Learning twice is different from learning once and from learning more
Keywords: memory; learning; inhibitory avoidance; consolidation; hippocampus; striatum; AMPA; α-amino-3-hydroxy-5-methyl-4-isoxazole propionate; ANI; anisomycin; AP3; 2-amino-3-phosphone pentanoate; AP5; d-2-amino-5-phosphonepentanoate; CaMKII; Ca2+/calmodulin-dep