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Behavioral Characterization of an Angelman Syndrome Mouse Model
Published on: October 20, 2023
Evaluation of a behavioral treatment package to reduce sleep problems in children with Angelman Syndrome
Keith D Allen1, Brett R Kuhn, Kristi A DeHaai
1Department of Psychology, Munroe-Meyer Institute for Genetics and Rehabilitation, 985450 Nebraska Medical Center, Omaha, NE 68198-5450, USA. kdallen@unmc.edu
Insights
A behavioral treatment package effectively reduced chronic sleep problems in children with Angelman Syndrome. Children learned to initiate sleep independently, with sustained reductions in disruptive behaviors and high parent satisfaction.
Area of Science:
- Pediatric Sleep Medicine
- Behavioral Psychology
- Genetics and Rare Diseases
Background:
- Children with Angelman Syndrome frequently experience chronic sleep problems.
- These sleep disturbances significantly impact the child's and family's quality of life.
- Existing treatments often have limited long-term efficacy.
Purpose of the Study:
- To evaluate the effectiveness of a behavioral treatment package for chronic sleep problems in children with Angelman Syndrome.
- To assess the impact of the treatment on sleep onset and disruptive nighttime behaviors.
- To determine parent satisfaction with the intervention.
Main Methods:
- A multiple baseline, interrupted time series design was employed.
- Participants included five children (2-11 years) with Angelman Syndrome.
- Sleep diaries and actigraphy were used to objectively measure sleep patterns and behaviors.
Main Results:
- All participants achieved independent sleep onset following treatment introduction.
- Statistically significant reductions in disruptive bedtime behaviors were observed and sustained.
- Treatment withdrawal and reinstatement replicated positive outcomes in two participants.
Conclusions:
- A behavioral treatment package is effective in addressing significant sleep problems in children with Angelman Syndrome.
- The intervention leads to independent sleep initiation and reduced disruptive behaviors.
- Behavioral strategies offer a viable therapeutic option for managing sleep issues in this population.
Abstract:
The purpose of this investigation was to evaluate the effectiveness of a behavioral treatment package to reduce chronic sleep problems in children with Angelman Syndrome. Participants were five children, 2-11 years-of-age. Parents maintained sleep diaries to record sleep and disruptive nighttime behaviors. Actigraphy was added to provide independent evaluations of sleep-wake activity. The treatment package targeted the sleep environment, the sleep-wake schedule, and parent-child interactions during sleep times. Treatment was introduced sequentially, across families, and evaluated in an interrupted time series, multiple baseline design. Data show that prior to treatment, baseline rates of nighttime disruptive behavior were stable or increasing and none of the participants were falling to sleep independently. With the introduction of treatment, all participants quickly learned to initiate sleep independently. Gradual reductions were reported in disruptive behaviors and these improvements were sustained over time. Results were replicated with two participants when treatment was withdrawn and reinstated. Changes in disruptive bedtime behaviors and in sleep onset were found to be statistically significant. Parents indicated high satisfaction with the treatment. A behavioral treatment package was found to be effective with five children with long histories of significant sleep-related behavior problems. These results suggest that behavioral treatment may be a reasonable way to address sleep problems in some children with Angelman Syndrome.
