Co-Occurring Neurodevelopmental Disorders in Children
Summary
Neurodevelopmental disorders in childhood often present not in isolation but alongside one another, with attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) among the most frequent pairings. Children with dual diagnoses typically exhibit more pronounced challenges in social communication, executive function and adaptive behaviour than those with a single condition. Co-occurrence is underpinned by overlapping genetic susceptibilities and shared environmental influences, prompting a shift towards transdiagnostic frameworks that focus on dimensions of impairment rather than categorical labels. Early recognition of combined presentations can guide the tailoring of interventions, from behavioural therapies aimed at self-regulation to educational adjustments that leverage individual strengths.
Recent work has emphasised the importance of sensory processing differences, executive dysfunction and heterogeneity in developmental trajectories. Transdiagnostic assessment models and dimensional rating scales are increasingly applied to capture the full spectrum of child functioning, inform personalised care plans and foster multidisciplinary collaboration among clinicians, educators and families. Globally, this approach holds promise for reducing diagnostic delays, improving outcomes and ensuring that support systems are both inclusive and responsive to the complex needs of neurodiverse children.
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Co-Occurring Neurodevelopmental Disorders in Children publication trend
The graph below shows the total number of articles in co-occurring neurodevelopmental disorders in children across all publications each year (not limited to Nature Index journals).
Technical terms
Neurodevelopmental disorder: A condition arising from atypical brain development that affects cognition, communication or behaviour.
Comorbidity: The simultaneous presence of two or more medical or psychiatric conditions in an individual.
Attention Deficit Hyperactivity Disorder (ADHD): A disorder characterised by persistent inattention, hyperactivity and impulsivity beyond developmental norms.
Autism Spectrum Disorder (ASD): A range of conditions marked by difficulties in social communication and restricted, repetitive patterns of behaviour.
Mendelian randomisation: A genetic epidemiology method using inherited genetic variants as proxies for environmental exposures to infer causal relationships.
Sensory processing: The neurological function by which the brain receives, organises and responds to sensory stimuli from the environment.
References
- The Co-Occurrence of Autism and Attention Deficit Hyperactivity Disorder in Children – What Do We Know?. Frontiers in Human Neuroscience (2014).
- Shared genetic influences between dimensional ASD and ADHD symptoms during child and adolescent development. Molecular Autism (2017).
- Examining overlap and homogeneity in ASD, ADHD, and OCD: a data-driven, diagnosis-agnostic approach. Translational Psychiatry (2019).
- Associations between ADHD and risk of six psychiatric disorders: a Mendelian randomization study. BMC Psychiatry (2024).
- Population-based detection of children ASD/ADHD comorbidity from atypical sensory processing. Applied Intelligence (2024).
- Guidance for identification and treatment of individuals with attention deficit/hyperactivity disorder and autism spectrum disorder based upon expert consensus. BMC Medicine (2020).
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