Grilly, D M Comparison of the effects of morphine and immobilization stress on discrimination performance of rats. [electronic resource] - Behavioral neuroscience Aug 1986 - 512-24 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0735-7044 Standard No.: 10.1037//0735-7044.100.4.512 doi Subjects--Topical Terms: AnimalsArousal--drug effectsAttention--drug effectsConditioning, Operant--drug effectsDiscrimination, Psychological--drug effectsElectroshockMaleMorphine--pharmacologyNaloxone--pharmacologyNaltrexone--pharmacologyOrientation--drug effectsPsychomotor Performance--drug effectsRatsRats, Inbred StrainsRestraint, PhysicalStress, Psychological--physiopathology