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cocaine self-administration and yoking

Christopher papillae at anythingirish.ie
Fri Aug 29 05:09:40 EST 2003

> The effects of drugs depend on the behavioral context. A more important
> question is why you think that the SA rat and the yoked-cocaine rat would
> show the same effects.
The effects should be the same as the reinforcement value of the drug
remains constant. Why is it that denying instrumental control over
delivery of food pellets does not exhibit the effect described whereas
noncontingent injection of cocaine (yoking) does ???

- Christopher

P.S. Btw do rats find injection of sucrose solution rewarding ?

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