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Evolutionary mismatch, neural reward circuits, and pathological gambling.

Marcello Spinella1

  • 1Richard Stockton College of New Jersey, P.O. Box 195, Pomona, NJ 08240, USA. Marcello.Spinella@stockton.edu

The International Journal of Neuroscience
|July 15, 2003
PubMed
Summary
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Modern gambling exploits ancient brain systems for reward and novelty-seeking, potentially leading to maladaptive behaviors like pathological gambling due to evolutionary mismatch.

Area of Science:

  • Neuroscience
  • Evolutionary Psychology
  • Behavioral Science

Background:

  • Evolutionary mismatch theory explains self-regulation disorders like addiction.
  • Modern gambling utilizes risk, chance, judgment, and novelty-seeking.
  • Prefrontal-subcortical and limbic systems process reward/punishment in gambling.

Purpose of the Study:

  • To explore how modern gambling relates to evolutionary mismatch theory.
  • To examine the neurobiological underpinnings of gambling behavior.
  • To understand the origins of pathological gambling.

Main Methods:

  • Review of evolutionary mismatch theory applications.
  • Analysis of neuroanatomical structures involved in reward processing.
  • Examination of gambling's departure from ancestral conditions.

Related Experiment Videos

Main Results:

  • Modern gambling refines risk and chance, engaging judgment and novelty-seeking.
  • Neurobiological systems evolved for survival are implicated in gambling.
  • Pathological gambling can arise from this evolutionary mismatch.

Conclusions:

  • Modern gambling exploits ancient neurobiological systems.
  • An evolutionary mismatch between ancestral conditions and modern gambling contributes to pathology.
  • Understanding this mismatch is key to addressing gambling disorders.