Dopamine: reward or aversion?

Everybody Loves Dopamine

Dopamine is love. Dopamine is reward. Dopamine is addiction. Neuroscientists have a love/hate relationship with how this monoamine neurotransmitter is portrayed in the popular press. The word dopamine has become a shorthand for positive reinforcement, whether it’s from fantasy baseball or a TV show. But did you know that a subset of dopamine (DA) neurons originating in the ventral tegmental area (VTA) of the midbrain respond to obnoxious stimuli (like footshocks) and regulate aversive learning? ….[READ]

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