Using Restricted Interests in Cognitive Behavioral Therapy for Children With Autism Spectrum Disorder: Results From a Preliminary Randomized Controlled Trial

Kirstin Birtwell, Rachel Goldin, Hannah Saro,Christopher McDougle, Nora Horick,Caitlin Ravichandran,Lisa Nowinski

Journal of Cognitive Psychotherapy(2024)

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摘要
Children with autism spectrum disorder (ASD) exhibit significant deficits in social communication and emotion regulation skills. While cognitive behavioral therapy (CBT) applications appear promising, trials to date have largely excluded social communication skill development and have not been designed to include a wider range of emotional challenges. To our knowledge, the present study is the first to pilot a uniquely modified CBT program targeting emotion regulation, including social communication training, and explicitly focusing on the child’s areas of circumscribed interest in order to teach skills and promote generalization. Forty participants were randomly assigned to either the CBT group or a waitlist control (WLC) group, resulting in 20 school-aged children in each group. The treatment approach was determined to be feasible and acceptable, and therapy engagement and attendance were reasonably high. Caregivers expressed high satisfaction with the program, qualitatively citing gains in skills such as social problem-solving, emotion identification, and identifying and processing cognitive distortions. The primary outcome of postintervention changes was not significantly different between the groups (CBT vs. WLC). The mean Social Skills Improvement System score decreased by 0.44 points (95% confidence interval [CI]: −5.04, 4.15) in the CBT group and increased by 0.41 points (95% CI: −4.23, 5.04) in the WLC group, and the postintervention changes were not significantly different between the groups (difference: −0.85; 95% CI: −7.29, 5.60;p= .79). The estimated rate of emotional dysregulation episodes decreased by a factor of 0.94 (95% CI: 0.57, 1.56) in the CBT group and increased by a factor of 1.07 (95% CI: 0.51, 2.24) for WLC (p= .74). Among those who reported emotional dysregulation episodes, the mean duration decreased by 1.39 minutes (95% CI: −3.90, 6.67) less for CBT than waitlist (p= .60). Although satisfaction, acceptability, and emotional dysregulation outcome results from this preliminary CBT treatment for ASD are promising, sample size and measurement limitations will be important considerations to inform future trials.
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