Neurodevelopmental Disorders and Epilepsy Interaction
Summary
Neurodevelopmental disorders (NDDs) encompass a spectrum of conditions characterised by early-onset cognitive, social and behavioural challenges. Among these, autism spectrum disorder (ASD) and intellectual disability frequently co-occur with epilepsy, a neurological disorder defined by recurrent seizures. The interaction between NDDs and epilepsy is bidirectional: genetic mutations affecting synaptic and ion channel function increase both seizure susceptibility and neurodevelopmental irregularities, while epileptic activity during critical periods of brain maturation can further disrupt neural circuit formation. Epidemiological studies report epilepsy prevalence rates of up to 20–30 per cent in individuals with NDDs, rising with age and lower cognitive ability. Shared pathophysiological mechanisms include aberrant excitatory–inhibitory balance, neuroinflammation and altered network synchrony. Clinically, co-occurrence exacerbates social and adaptive impairments, impairs learning and increases behavioural challenges, thereby complicating diagnosis and therapeutic management. Early identification through genomic screening and neurophysiological monitoring is essential, as tailored interventions combining anti-seizure regimens with behavioural therapies can mitigate cognitive decline and improve quality of life. Understanding the complex interplay between developmental trajectories and seizure phenotypes holds promise for novel precision-medicine approaches and underscores the global imperative for harmonised care pathways.
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Neurodevelopmental Disorders and Epilepsy Interaction publication trend
The graph below shows the total number of articles in neurodevelopmental disorders and epilepsy interaction across all publications each year (not limited to Nature Index journals).
Technical terms
Autism Spectrum Disorder (ASD): A group of neurodevelopmental conditions marked by difficulties in social communication and restricted, repetitive behaviours.
Epilepsy: A neurological disorder characterised by an enduring predisposition to generate unprovoked seizures.
Electroencephalogram (EEG): A non-invasive method for recording electrical activity of the brain, used to detect epileptiform discharges.
Theory of Mind (ToM): The cognitive capacity to infer and attribute mental states—beliefs, intents and emotions—to oneself and others.
References
- Autism with co-occurring epilepsy care pathway in Europe. European Psychiatry (2023).
- Social Cognition in Neurodevelopmental Disorders and Epilepsy. Frontiers in Neurology (2021).
- Neurological disorders in autism: A systematic review and meta-analysis. Autism (2020).
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