Cognitive Function and Neuropsychological Profiles in Epilepsy
Summary
Epilepsy is increasingly recognised as a network disorder that extends beyond seizures to affect multiple cognitive domains. Across a range of syndromes—from genetic generalised epilepsies such as juvenile absence epilepsy and juvenile myoclonic epilepsy to focal epilepsies—patients frequently exhibit deficits in attention, memory, language and executive function. These impairments may precede diagnosis and persist despite seizure control, reflecting both seizure-related disruption and underlying neurodevelopmental or genetic factors. Neuroimaging and neurophysiological studies point to structural and functional alterations in frontal, temporal and thalamic circuits, with aberrant connectivity between prefrontal, motor and limbic regions. Familial studies identify shared cognitive profiles in unaffected relatives, suggesting heritable endophenotypes that could inform genetic risk and pathophysiology. In clinical practice, the neuropsychological burden influences daily living, treatment adherence and quality of life, and may guide personalised interventions. Emerging biomarkers—from event-related potentials during dual tasks to gait and cortical motor-evoked responses—offer promise for stratifying drug resistance and tracking cognitive trajectories. An integrated appraisal of neuropsychological profiles underscores the need for early cognitive screening, syndrome-specific rehabilitation and approaches that target both seizures and comorbid cognitive dysfunction.
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Cognitive Function and Neuropsychological Profiles in Epilepsy publication trend
The graph below shows the total number of articles in cognitive function and neuropsychological profiles in epilepsy across all publications each year (not limited to Nature Index journals).
Technical terms
Executive function: Higher-order processes that enable planning, flexible thinking and inhibition of inappropriate responses.
Endophenotype: A heritable, measurable trait that links genetic risk with clinical features, independent of overt symptoms.
Drug-resistant epilepsy: Failure to achieve sustained seizure freedom despite trials of two or more appropriately chosen antiseizure medications.
Event-related potential (ERP): Time-locked EEG response to a sensory, cognitive or motor stimulus, used to probe neural processing stages.
Fronto-thalamocortical connectivity: Functional interactions among frontal cortex, thalamus and other cortical areas, critical for cognition and sensorimotor integration.
References
- Cognitive phenotype of juvenile absence epilepsy: An investigation of patients and unaffected siblings. Epilepsia (2023).
- Cognitive Function in Genetic Generalized Epilepsies: Insights From Neuropsychology and Neuroimaging. Frontiers in Neurology (2020).
- Impaired cognitive function in idiopathic generalized epilepsy and unaffected family members: An epilepsy endophenotype. Epilepsia (2014).
- Limited Ability to Adjust N2 Amplitude During Dual Task Walking in People With Drug-Resistant Juvenile Myoclonic Epilepsy. Frontiers in Neurology (2022).
- Abnormal gait and motor cortical processing in drug‐resistant juvenile myoclonic epilepsy. Brain and Behavior (2023).
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