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Impulsivity and Comorbid PTSD and Binge Drinking.

Jesse Walker1, Kaitlin E Bountress1, Casey D Calhoun1

  • 1a National Crime Victim Research & Treatment Center, Medical University of South Carolina , Charleston , SC.

Journal of Dual Diagnosis
|March 6, 2018
PubMed
Summary
This summary is machine-generated.

Attentional impulsivity, the tendency to act rashly, increases the risk for posttraumatic stress disorder (PTSD) and binge drinking in young adults. Difficulty focusing on immediate stimuli may impair trauma processing, leading to maladaptive coping mechanisms.

Keywords:
PTSDTraumabinge drinkingimpulsivityyoung adults

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Area of Science:

  • Psychology
  • Neuroscience
  • Public Health

Background:

  • Trauma exposure is prevalent, affecting a significant portion of the adult population.
  • Traumatic events increase the risk for developing posttraumatic stress disorder (PTSD) and alcohol misuse, such as binge drinking.
  • Impulsivity, characterized by rash actions, is a potential mechanism underlying the comorbidity of trauma exposure with PTSD and alcohol misuse.

Purpose of the Study:

  • To investigate the impact of specific impulsivity traits on the comorbidity of trauma exposure with PTSD and binge drinking in young adults.
  • To examine the unique contributions of motor, nonplanning, and attentional impulsivity to this comorbidity.

Main Methods:

  • The study included 162 young adults (aged 21-30) with a history of interpersonal trauma.
  • Participants completed measures of three impulsivity traits: motor, nonplanning, and attentional.
  • Statistical analyses controlled for covariates including age, gender, race, and the number of traumatic events experienced.

Main Results:

  • Greater attentional impulsivity was significantly associated with an increased likelihood of meeting criteria for both PTSD and binge drinking.
  • This association remained significant after accounting for demographic factors and trauma history.
  • Neither nonplanning impulsivity nor motor impulsivity showed unique associations with the PTSD and binge drinking comorbidity.

Conclusions:

  • Difficulty with attentional impulsivity in young adults may hinder the processing of traumatic experiences.
  • This impaired processing could elevate the risk for PTSD and the adoption of maladaptive coping strategies, such as binge drinking.
  • Targeting attentional impulsivity may be crucial for interventions aimed at preventing or mitigating PTSD and alcohol misuse in trauma-exposed individuals.