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Phases in the decision to request euthanasia and brain structures involved.

J M Trejo-Gabriel Y Galán1, A Alacreu-Crespo2,3,4, E Cubo-Delgado1

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Euthanasia laws need to consider brain diseases beyond dementia that impair decision-making. A review highlights brain areas involved in euthanasia requests, emphasizing patient competence evaluation.

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Area of Science:

  • Neuroscience
  • Medical Ethics
  • Neurology

Background:

  • Current euthanasia legislation often overlooks neurological conditions impacting decision-making capacity.
  • Dementia is recognized, but other brain diseases affecting decision-making circuits are not explicitly addressed.

Purpose of the Study:

  • To review the neurological basis of the decision-making process for euthanasia requests.
  • To identify brain regions involved in complex decisions related to end-of-life choices.

Main Methods:

  • A narrative review of existing literature on euthanasia decision-making and relevant neuroanatomy.
  • Analysis of brain areas activated during decision-making processes analogous to euthanasia requests.

Main Results:

  • Key brain structures like the amygdala, cingulate cortex, insular cortex, and prefrontal lobes are implicated in euthanasia-related decisions.
  • The identified brain circuits are crucial for evaluating patient competence.

Conclusions:

  • Patient competence for euthanasia requests requires careful evaluation, especially when brain diseases affect decision-making circuits.
  • Neurological assessment should be individualized to account for the specific impact of brain conditions on patient autonomy.