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Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

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Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
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Operant Conditioning Intervention01:24

Operant Conditioning Intervention

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Operant conditioning serves as a foundational principle in therapeutic interventions aimed at modifying maladaptive behaviors. Central to this approach is the notion that behaviors, both adaptive and maladaptive, are learned through reinforcement. By analyzing the environmental factors that reinforce problematic behaviors, clinicians can design interventions to weaken these reinforcements and replace maladaptive behaviors with healthier alternatives.
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Modeling in Therapy01:26

Modeling in Therapy

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Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
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Behavior Therapy01:22

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Behavior therapy incorporates diverse techniques rooted in classical conditioning principles to address maladaptive behaviors and anxiety disorders. These methods aim to reduce avoidance behaviors, foster adaptive coping mechanisms, and alter associations between stimuli and responses, making them effective in a wide range of therapeutic contexts.
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Post-traumatic Stress Disorder01:27

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Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
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Cognitive Therapy01:25

Cognitive Therapy

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Cognitive therapy, pioneered by Aaron T. Beck in the 1960s, is a structured approach to addressing psychological distress by focusing on the influence of thoughts on emotions and behaviors. All cognitive therapies involve the basic assumption that human beings have control over their feelings, and that how individuals feel about something depends on how they think about it. Unlike psychoanalytic methods that delve into unconscious processes or humanistic approaches emphasizing...
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Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
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Lifetime Potentially Traumatic Events and Cognitive-Behavioral Therapy Outcomes in Pediatric Obsessive-Compulsive

Laura Belschner1,2, Robert J McMahon1,2, S Evelyn Stewart1,2,3,4,5

  • 1Simon Fraser University, Burnaby, Canada.

JAACAP Open
|December 10, 2025
PubMed
Summary

Cumulative traumatic stress did not impact cognitive-behavioral therapy (CBT) outcomes in pediatric obsessive-compulsive disorder (OCD). However, specific trauma types may influence functional improvement during different treatment phases for youth with OCD.

Keywords:
cognitive-behavioral therapyobsessive-compulsive disorderpediatrictrauma exposuretreatment outcome

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Area of Science:

  • Child and Adolescent Psychiatry
  • Trauma Studies
  • Mental Health Treatment

Background:

  • Traumatic stress is a significant social determinant of health impacting pediatric mental health.
  • Understanding its influence on treatment for pediatric obsessive-compulsive disorder (OCD) is crucial for optimizing care.
  • Existing literature has a gap in evaluating trauma's specific impact on cognitive-behavioral therapy (CBT) outcomes in this population.

Purpose of the Study:

  • To evaluate the impact of traumatic stress on CBT outcomes in children and adolescents diagnosed with OCD.
  • To identify if cumulative trauma load or specific types of trauma differentially affect treatment results.
  • To inform clinical practice and reduce misinterpretation of OCD symptoms in trauma-exposed youth.

Main Methods:

  • A cohort of 98 youths (aged 8-19) with OCD completed an evidence-based CBT group program.
  • Lifetime potentially traumatic events (PTEs) were assessed at baseline using the Traumatic Events Screening Inventory-Parent Report Revised.
  • Longitudinal outcomes including OCD severity, functional impairment (Child OCD Impact Scale-Revised), and family impairment were measured throughout treatment and at follow-up.

Main Results:

  • Cumulative lifetime PTE load was not significantly associated with overall CBT outcomes (p > .218).
  • Exploratory analyses indicated specific trauma types were linked to distinct patterns of functional improvement: physical abuse (early treatment), emotional abuse (maintenance of gains), and death of a close person (mid/end-point outcomes).
  • Emotional abuse was also associated with reduced maintenance of family functioning improvements at follow-up.

Conclusions:

  • Cumulative trauma exposure did not significantly alter overall CBT outcomes in pediatric OCD.
  • Specific types of trauma, such as emotional abuse and the death of a loved one, may be associated with differential functional improvement trajectories during OCD treatment.
  • Further research is warranted to explore these nuanced relationships and tailor interventions for trauma-affected youth with OCD.