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Luis Felipe Orozco-Cabal1, David Herin

  • 1Médico residente de psiquiatría general, Departamento de Psiquiatría y Salud Mental, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá, Colombia. PhD en Neurociencias, University of Texas Medical Branch, Estados Unidos. Profesor asistente, Facultad de Medicina, Universidad de los Andes, Bogotá, Colombia.

Revista Colombiana De Psiquiatria
|October 20, 2009
PubMed
Summary

Impulsivity, a trait affecting behavior and emotions, is linked to bulimia nervosa (BN). This review explores the neural basis of impulsivity in BN, suggesting it may increase vulnerability to negative emotions and maladaptive behaviors.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Behavioral Science

Background:

  • Impulsivity is a complex trait impacting behavior and emotional control.
  • It is frequently observed in psychiatric disorders, notably eating disorders like bulimia nervosa (BN).
  • The neurobiological underpinnings of impulsivity in BN remain complex and require further elucidation.

Purpose of the Study:

  • To review the neural substrates associated with impulsivity.
  • To examine the role of executive function, preference formation, and emotional regulation circuits in BN.
  • To elucidate the function of these neural circuits in individuals diagnosed with BN.

Main Methods:

  • A selective literature review was conducted.
  • The review focused on studies investigating impulsivity, neural substrates, and bulimia nervosa.

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  • Key areas examined included executive functions, reward processing, and emotional regulation.

    • Main Results:

    • Impulsivity presents a complex relationship with bulimia nervosa.
    • Impulsivity may act as a vulnerability factor, heightening sensitivity to negative emotional states.
    • This heightened sensitivity can disrupt behavioral regulation, leading to maladaptive patterns.

    Conclusions:

    • Impulsivity is intricately linked to the neurobiology of bulimia nervosa.
    • It may predispose individuals to negative emotional states, influencing behavioral responses.
    • Understanding these neural mechanisms is crucial for developing targeted interventions for BN.