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TWO-CHOICE VISUAL DISCRIMINATION REVERSAL FOR RATS
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The task involves learning that one of two shapes displayed simultaneously on the screen is correct. Touching the correct stimuli (S+) will be rewarded with food. Touching the incorrect stimuli (S-) will be punished with a timeout.
Once the task has been learned, the stimuli are reversed so that the S+ stimuli now becomes the S- stimuli and vice versa. This reversal learning requires inhibition of prepotent responses and is known to be dependant on the prefrontal cortex.
keyword : behavior, pharmacology, reward addiction, lafayette instrument neuroscience
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