Antagonist2
Conditioning2
Delta Kappa1
Locomotor activity1
Memory consolidation1
Methamphetamine1
Morphine1
Mu1
Naloxone1
Naltrindole1
Nor-binaltorphimine1
Rat1
Sensitization1
behavior1
conditioning1
development1
dose1
hyperactivity1
methamphetamine1
mouse1