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Area of Science:

  • Neuroscience
  • Psychology
  • Genetics

Background:

  • Huntington disease (HD) significantly impacts families, creating unique stressors for children.
  • The specific sources of stress and their psychological effects on at-risk youth are not well understood.
  • This study investigates lifetime stressor exposure in adolescents at risk for HD.

Purpose of the Study:

  • To examine lifetime stressor exposure in adolescents at risk for Huntington disease (HD).
  • To investigate the relationship between stressor exposure and psychological difficulties in this population.
  • To compare stressor exposure and psychological outcomes between at-risk youth and controls.

Main Methods:

  • 94 adolescents (ages 10-18) participated: 40 at genetic risk for HD and 54 community controls.
  • Participants completed the Stress and Adversity Inventory and Youth Self-Report.
  • Bivariate correlations and linear regression analyses were used to analyze data.

Main Results:

  • Adolescents at risk for HD reported significantly more lifetime stressors (acute and chronic) than controls.
  • At-risk youth experienced more stressors related to Treatment/Health and Role Change/Disruption.
  • Stressor exposure was linked to externalizing problems (e.g., rule-breaking) in at-risk individuals, versus internalizing problems in controls.

Conclusions:

  • Youth at risk for HD face greater lifetime stressor exposure and exhibit more externalizing problems.
  • Findings underscore the need to assess lifetime stressor exposure in youth affected by HD.
  • At-risk youth may have distinct stress response patterns compared to their peers.