Dopamine and Addiction: Brain Mechanisms Quiz
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Questions and Answers

What is the primary function of dopamine in motivation and learning?

  • Modulation of incentive motivation and reinforcement learning (correct)
  • Control of motor movement
  • Regulation of emotional response
  • Processing of sensory information

    • How do addictive drugs affect the brain's motivation and reinforcement systems?

  • They disrupt the brain's cognitive function
  • They alter the brain's emotional response
  • They inhibit the release of dopamine
  • They stimulate the brain's reward system (correct)

    • What is the proposed mechanism underlying drug addiction?

  • Desensitization of natural motivation and reward learning mechanisms
  • Dysregulation of emotional response
  • Sensitization of natural motivation and reward learning mechanisms (correct)
  • Impaired cognitive function

    • What is the primary brain mechanism involved in motivation and reward learning?

    <p>Dopamine release</p> Signup and view all the answers

    What is the result of the overactivation of the brain's reward system in drug addiction?

    <p>Dependence and addiction</p> Signup and view all the answers

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