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Activation of the calcium-dependent protease calpain has been proposed to be a necessary step in the formation of long-term potentiation (LTP) in the hippocampus, and stimulation of N-methyl-D-aspartate (NMDA) receptors leads to an increase in intracellular calcium concentration, calpain activation, proteolysis of cytoskeletal elements, and modification of(More)
In well-trained animals, infusion of the GABA-B agonist baclofen into the cerebellar interpositus nucleus and overlying cortex abolished the conditioned response (CR) with no effect on the unconditioned response (UR) with doses at or above 5.0 mM. Infusion of the GABA-B antagonist CGP 5584-5A alone had no effect on the CR or UR. However, administration of 5(More)
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