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Self-stimulation

From Biology-Online Dictionary | Biology-Online Dictionary
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self-stimulation

1. (Science: neurology) A technique for electrical stimulation of peripheral nerves, spinal cord, or brain by the patient himself to relieve pain.

2. (Science: psychology) Central stimulation, usually electrical, of the brain, which is administered by the animal's pressing a bar or switch; the stimulation may result in negative or positive reinforcement.