Drug Self Administration Definition

In the drug self-administration procedure, animal or human subjects perform an operant response (e.g., lever press, nose-poke) to receive abused drugs that serve as appetitive unconditioned stimuli, paralleling effects of palatable food, or other non-pharmacological rewards. The drug is often administered via a chronically indwelling venous catheter although other routes are also used (e.g., oral). The premise of these studies is that the drug rewards control behavior by functioning as a positive reinforcer. A stimulus is defined as a positive reinforcer if its presentation following a response increases or maintains the likelihood that the response will reoccur.


► Conditioned Place Preference

► Drug Dependence

► Self-Administration of Drugs

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Anxiety and Depression 101

Anxiety and Depression 101

Everything you ever wanted to know about. We have been discussing depression and anxiety and how different information that is out on the market only seems to target one particular cure for these two common conditions that seem to walk hand in hand.

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