Please use this identifier to cite or link to this item: https://doi.org/10.3389/fpsyt.2023.1249071
Title: Restricted and repetitive behaviors and association with cognition and adaptive functioning in children with autism spectrum disorder in Singapore
Authors: Lin, Wanyun
Chan, Yiong Huak 
Kiing, Jennifer SH 
Lim, Tammy SH 
Chong, Shang Chee 
Kang, Ying Qi 
Aishworiya, Ramkumar 
Mulay, Kalyani Vijayakumar
Tan, Mae Yue 
Issue Date: 2023
Publisher: Frontiers Media SA
Citation: Lin, Wanyun, Chan, Yiong Huak, Kiing, Jennifer SH, Lim, Tammy SH, Chong, Shang Chee, Kang, Ying Qi, Aishworiya, Ramkumar, Mulay, Kalyani Vijayakumar, Tan, Mae Yue (2023). Restricted and repetitive behaviors and association with cognition and adaptive functioning in children with autism spectrum disorder in Singapore. Frontiers in Psychiatry 14. ScholarBank@NUS Repository. https://doi.org/10.3389/fpsyt.2023.1249071
Abstract: BackgroundOne of the core features of autism spectrum disorder (ASD) is restricted, repetitive patterns of behavior, interests and activities (RRBs). RRBs are known to adversely affect cognition and adaptive functioning. We explored the relationship of RRBs with cognition and adaptive functioning in children with ASD in an Asian setting.MethodsThis cross-sectional study was conducted at a tertiary developmental pediatrics center in Singapore from September 2019 to October 2021. Parent-child dyads (parents and their children ≤7 years old diagnosed with ASD) were recruited. Parents completed the Repetitive Behavior Questionnaire-2 (RBQ-2), which reports total score and two subscales – Motor/Sensory Behaviors (RBQ-2 MS) and Rigidity/Routines/Preoccupation with Restricted Interests (RBQ-2 RRPRI). Standardized assessments included Mullen Scales of Early Learning (MSEL) and Vineland Adaptive Behavior Scales (VABS-II). Data analysis utilized descriptive statistics and Pearson’s correlation.ResultsParents of 113 children [75.2% male, mean (SD) age 5.0 (1.2) years] participated. Median (IQR) RBQ-2 score was 29.0 (11.0). Significant negative correlations (adjusted for age, gender and family history of ASD) were observed for total RBQ-2 scores with MSEL ELC scores (r = −0.248, n = 101, p = 0.014) and VABS-II ABC scores (r = −0.281, n = 88, p = 0.009). Specifically, these correlations of fair strength were seen only with the RBQ-2 MS subscale for both ELC (r = −0.321, n = 101, p = 0.001) and ABC (r = −0.3478, n = 88, p = 0.001).ConclusionIn children with ASD, severity of RRBs correlated with adverse cognition and adaptive functioning measures in our study, consistent with Western literature. While our study does not show causality, it adds to literature serving as a foundation for further research for both clinicians and researchers to target RRBs in improving outcomes with children in ASD.
Source Title: Frontiers in Psychiatry
URI: https://scholarbank.nus.edu.sg/handle/10635/246030
ISSN: 1664-0640
DOI: 10.3389/fpsyt.2023.1249071
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