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From Reward to Anhedonia-Dopamine Function in the Global Mental Health Context

Biomedicines, ISSN: 2227-9059, Vol: 11, Issue: 9
2023
  • 10
    Citations
  • 0
    Usage
  • 64
    Captures
  • 4
    Mentions
  • 67
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    10
  • Captures
    64
  • Mentions
    4
    • Blog Mentions
      2
      • Blog
        2
    • News Mentions
      2
      • News
        2
  • Social Media
    67
    • Shares, Likes & Comments
      67
      • Facebook
        67

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Review Description

When “hijacked” by compulsive behaviors that affect the reward and stress centers of the brain, functional changes in the dopamine circuitry occur as the consequence of pathological brain adaptation. As a brain correlate of mental health, dopamine has a central functional role in behavioral regulation from healthy reward-seeking to pathological adaptation to stress in response to adversity. This narrative review offers a spotlight view of the transition from healthy reward function, under the control of dopamine, to the progressive deregulation of this function in interactions with other brain centers and circuits, producing what may be called an anti-reward brain state. How such deregulation is linked to specific health-relevant behaviors is then explained and linked to pandemic-related adversities and the stresses they engendered. The long lockdown periods where people in social isolation had to rely on drink, food, and digital rewards via the internet may be seen as the major triggers of changes in motivation and reward-seeking behavior worldwide. The pathological adaptation of dopamine-mediated reward circuitry in the brain is discussed. It is argued that, when pushed by fate and circumstance into a physiological brain state of anti-reward, human behavior changes and mental health is affected, depending on individual vulnerabilities. A unified conceptual account that places dopamine function at the centre of the current global mental health context is proposed.

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