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Neural substrates of decision-making.

Y Broche-Pérez1, L F Herrera Jiménez1, E Omar-Martínez2

  • 1Universidad Central «Marta Abreu» de Las Villas, Santa Clara, Cuba.

Neurologia (Barcelona, Spain)
|May 16, 2015
PubMed
Summary

Decision-making involves a complex neural network, not just the prefrontal cortex. Both cortical and subcortical brain regions, including the amygdala and cerebellum, contribute to this vital cognitive process.

Keywords:
AmygdalaAmígdalaBases neuralesCerebellumCerebeloCorteza prefrontalDecision makingNeural basisPrefrontal cortexSubcortical structuresSubcórtexToma de decisiones

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neuroanatomy

Background:

  • Decision-making is a complex cognitive process involving evaluating alternatives and their consequences.
  • Traditionally, the prefrontal cortex (PFC) was considered the sole neural basis for decision-making.
  • Emerging research highlights a broader neural network encompassing both cortical and subcortical structures.

Purpose of the Study:

  • To review current evidence on the anatomical structures underpinning decision-making.
  • To emphasize the role of a complex neural network in this neuropsychological process.
  • To integrate findings on both cortical and subcortical contributions.

Main Methods:

  • Literature review of current scientific evidence.
  • Analysis of studies investigating neural correlates of decision-making.
  • Synthesis of findings on cortical and subcortical brain regions.

Main Results:

  • Key cortical structures include the orbitofrontal cortex (OFC), anterior cingulate cortex (ACC), and dorsolateral prefrontal cortex (DLPFC).
  • Subcortical structures such as the amygdala, thalamus, and cerebellum significantly assist the decision-making process.
  • Decision-making relies on intricate cortico-cortical and cortico-subcortical connections.

Conclusions:

  • Both cortical and subcortical brain regions are integral to decision-making.
  • The neural basis of decision-making is a complex network involving PFC subareas, limbic structures, and the cerebellum.
  • Understanding this network is crucial for comprehending complex human behavior.