MORPHINE - CONDITIONED INCREASES IN SELF-ADMINISTRATION IN RHESUS MONKEYS

被引:70
作者
GOLDBERG, SR
WOODS, JH
SCHUSTER, CR
机构
[1] Department of Pharmacology, University of Michigan Medical School, Ann Arbor
[2] Department of Psychiatry, University of Chicago, Chicago
关键词
D O I
10.1126/science.166.3910.1306
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Operant responding in three monkeys was maintained by intravenous presentations of morphine. Nalorphine produced reliable increases in morphine-reinforced responding. With successive daily nalorphine injections there was a decreased latency of self-administration responding for morphine, and substituted saline injections produced conditioned increases in morphine-reinforced responding.
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页码:1303 / &
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