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Related Experiment Videos

Evolutionary processes in suicide.

Bruno Chiurliza1, Megan L Rogers1, Matthew E Schneider1

  • 1Florida State University, Clinical Psychology, USA.

Current Opinion in Psychology
|September 30, 2017
PubMed
Summary

Evolutionary science offers new insights into suicidal behavior. Reviewing literature suggests links between suicidal actions and behaviors seen in social animals and antipredator responses.

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Area of Science:

  • Evolutionary psychology
  • Behavioral science
  • Neuroscience

Background:

  • Suicidal behavior is complex and multifaceted.
  • Traditional research approaches may not capture all aspects.
  • An evolutionary perspective offers an underutilized avenue for study.

Purpose of the Study:

  • To explore the potential role of evolutionary processes in suicidal behavior.
  • To examine the implications of eusocial behavior and antipredator responses in suicide.

Main Methods:

  • Literature review of existing studies.
  • Analysis of parallels between suicidal behavior and animal behaviors.
  • Examination of research on brain activity and decision-making in suicidal individuals.

Main Results:

  • Aspects of suicidal behavior resemble self-sacrificial behavior in eusocial animals.
  • Hyperarousal-shutdown systems, similar to antipredator responses, may be activated in suicidal individuals.
  • Eusociality and antipredator responses may co-occur in suicidal behavior.

Conclusions:

  • Evolutionary processes, specifically eusociality and antipredator responses, offer novel frameworks for understanding suicide.
  • These perspectives may lead to new insights and potential interventions for suicidal behavior.

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