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Related Experiment Videos

Reward or reinforcement: what's the difference?

N M White1

  • 1Department of Psychology, McGill University, Montreal, Quebec, Canada.

Neuroscience and Biobehavioral Reviews
|January 1, 1989
PubMed
Summary
This summary is machine-generated.

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Reward and reinforcement are distinct concepts with different neural bases. Reward involves approach behavior mediated by the ventral striatum, while reinforcement strengthens learned responses via the dorsolateral striatum.

Area of Science:

  • Neuroscience
  • Behavioral Science

Background:

  • The terms "reward" and "reinforcement" are often used interchangeably but have distinct origins and meanings.
  • Understanding their neurobiological underpinnings is crucial for deciphering motivated behaviors.

Purpose of the Study:

  • To differentiate the concepts of reward and reinforcement based on their historical origins.
  • To review neuroanatomical and neurochemical evidence distinguishing the neural circuits involved in reward and reinforcement.

Main Methods:

  • Historical review of the terms "reward" and "reinforcement".
  • Synthesis of neuroanatomical and neurochemical data from relevant scientific literature.

Main Results:

  • Reward is associated with approach responses mediated by the ventral striatum (nucleus accumbens).

Related Experiment Videos

  • Reinforcement involves strengthening learned stimulus-response tendencies, linked to the dorsolateral striatum.
  • Distinct neural circuits, including the neostriatal patch system for reward and the striatal matrix for reinforcement, are implicated.

    • Conclusions:

    • Reward and reinforcement represent separable processes with distinct neural substrates.
    • The ventral striatum is central to reward-related approach behaviors.
    • The dorsolateral striatum and dopamine release in the striatal matrix are key to reinforcement and sensori-motor association consolidation.