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Neuroanatomy of financial decisions
P E Bermejo1, R Dorado, M A Zea-Sevilla
1Servicio de Neurología, Hospital Universitario Puerta de Hierro, Majadahonda, Madrid, Spain. pedro.bermejo.v@gmail.com
Introduction:
Neuroeconomics is a new science that studies the brain processes involved in taking decisions, particularly related to economy and it has experienced an important advance in the recent years due to the development of the new neuroimaging techniques, basically functional magnetic resonance imaging. The aim of this paper it to carry out a review of the literature on the different neurological mechanisms involved in taking financial decisions, the concerned brain structures and the diseases that can affect them.
Sources:
We made a non systematic review of the literature in primary (PubMed) and secondary (Tripdatabase and Cochrane Library) bibliographic databases. We also used bibliography given by the Asociación Española de Neuroeconomía.
Development:
Brain reward and loss aversion systems suppose a balance that makes us take one or another decision. Dopamine plays an important role on it and several brain structures have been involved in this balance such as the amygdale, the insula, the medial prefrontal cortex, the anterior and posterior cingulated cortex, the accumbens nucleus and the ventral tegmental area. The alteration of this balance may produce inappropriate financial behaviors what may occur in common diseases including depression, mania, alcoholism, gambling and several impulse control disorders.
Conclusions:
Neurologists should define our role in this interdisciplinary field due to the privileged position of our specialty to study how the brain works and due to the potential growing of this science in the near future.
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