Evidence map›Paper›PMID 40833655›Full record

ArticleJournal of autism and developmental disorders2025

Clinical and Cognitive Characteristics of Children with Co-occurring ASD and Subthreshold ADHD: Social, Functional and Executive Function Impairments.

Le-Ran Xue, Chao-Qun Cen, Zhi Huang, Fang Wang, Hong-Zhu Deng, Xiao-Bing Zou

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Article in Journal of autism and developmental disorders, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Le-Ran XueChild Development and Behavior Center, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China.
Chao-Qun CenChild Development and Behavior Center, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China.
Zhi HuangChild Development and Behavior Center, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China.
Fang WangChild Development and Behavior Center, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China.
Hong-Zhu DengChild Development and Behavior Center, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China.
Xiao-Bing ZouChild Development and Behavior Center, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China. zouxb@mail.sysu.edu.cn.ORCID http://orcid.org/0000-0002-7380-0979

Funding

National Natural Science Foundation of China 81873801
6 · The paper itself

Abstract

Over 20% of children with autism spectrum disorder (ASD) present co-occurring subthreshold attention-deficit/hyperactivity disorder (ADHD) traits. This study investigated the clinical profiles, executive function (EF) characteristics, and functional impacts in children with comorbid ASD and subthreshold ADHD, with an emphasis on dimensional relationships between ADHD symptom severity and neurocognitive outcomes. A total of 104 children aged 7-14 years (15 ASD alone, 33 ASD + subADHD, 30 ASD + ADHD, 26 typically developing) underwent multimodal assessments including behavioral measures, laboratory-based EF tasks, and eye-tracking tests. Group comparisons and regression analyses were conducted to examine symptom gradients and EF-mediated functional relationships. Children in the ASD + subthreshold ADHD group showed significant social, functional and executive function impairments relative to their typically developing (TD) peers. The severity of social, functional, and executive function impairments in this group tended to be more pronounced than those in the ASD alone group, but milder than in the ASD + ADHD group. We also observed linear correlations between specific clinical features and executive function impairments in the ASD + subthreshold ADHD group. Subthreshold ADHD traits in ASD operate dimensionally, bridging diagnostic categories through shared EF mechanisms. These findings advocate revising ADHD comorbidity criteria for ASD populations by integrating symptom severity and functional impairment indices while prioritizing EF-targeted interventions for affected children, irrespective of formal ADHD diagnostic thresholds.

Indexed as

Autism spectrum disorderBRIEF-2Executive functionSubthreshold attention deficit/hyperactive disorder

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.