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The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans
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Individual Differences in Affect Dynamics and Alcohol-Related Outcomes.

Richard Feinn1, Stephen Armeli2, Howard Tennen3

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Affective dynamics, or emotion dysregulation, were not strongly linked to drinking levels in college students. Mean affect levels, but not their variability, predicted drinking motives.

Keywords:
Affect dynamicsaffect regulationdrinking motivation

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Area of Science:

  • Psychology
  • Neuroscience
  • Behavioral Science

Background:

  • Emotion dysregulation is linked to alcohol use.
  • Affective dynamics, including affect variability and inertia, are proposed indicators of emotion dysregulation.
  • Previous research on affective dynamics and alcohol-related outcomes remains inconsistent.

Purpose of the Study:

  • To investigate if individual differences in affective dynamics predict drinking levels and affect-regulation drinking motives.
  • To control for mean affect levels when examining the relationship between affective dynamics and alcohol use.
  • To explore the unique contributions of positive and negative affect variability, inertia, and bipolarity to alcohol-related outcomes.

Main Methods:

  • A large sample of college student drinkers (N=1640) completed daily online diaries for 30 days.
  • Data collected included daily affective states, drinking levels, and drinking motives.
  • Affective dynamics (variability, inertia, bipolarity) and mean affect levels were calculated and used as predictors.

Main Results:

  • Mean affect levels were uniquely associated with drinking motives, but not drinking level.
  • Few dynamic affect predictors showed unique relationships with outcomes after controlling for mean affect.
  • The findings suggest limited unique predictive power of affective dynamics for drinking level and motives when mean affect is considered.

Conclusions:

  • The association between affective dynamics and alcohol-related outcomes is complex and may not be fully captured by simple linear models.
  • Results contribute to inconsistent findings in the literature regarding affective dynamics and alcohol use.
  • Further research with more complex models may be needed to understand these relationships.