Related Experiment Video
Updated: Jun 2, 2026

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
[Photosensitivity and generalized idiopathic epilepsies of children]
Georgeta Diaconu1, Ioana Grigore, M Burlea
1Clinica a III-a Pediatrie, Facultatea de Medicină, Universitatea de Medicină si Farmacie Gr. T. Popa Iaşi.
Insights
Photosensitivity is common in children with generalized idiopathic epilepsies, affecting over 30% of patients. This epilepsy trait is more prevalent in girls during puberty.
Area of Science:
- Neurology
- Pediatric Epilepsy
- Neurophysiology
Context:
- Generalized idiopathic epilepsies are common neurological disorders in children.
- Photosensitivity, a heightened brain response to light stimuli, is a known factor in some epilepsy types.
- Understanding photosensitivity frequency is crucial for managing pediatric epilepsy.
Purpose:
- This study aimed to determine the frequency of photosensitivity in pediatric patients diagnosed with various generalized idiopathic epilepsies.
- To investigate the association between photosensitivity and specific epilepsy syndromes in children.
Summary:
- The study evaluated 68 children (aged 3-18) with Childhood Absence Epilepsy (CAE), Juvenile Absence Epilepsy (JAE), Epilepsy with Grand Mal on Awakening (EGMA), and Juvenile Myoclonic Epilepsy (JME).
- Electroencephalogram (EEG) recordings with and without photic stimulation revealed photosensitivity in 32.35% of patients.
- Photosensitivity was most frequently observed in girls of pubertal age.
Impact:
- Findings indicate a significant association between photosensitivity and generalized idiopathic epilepsies in pediatric populations.
- This research highlights the importance of considering photosensitivity in the diagnosis and management of childhood epilepsy.
- The results may inform tailored treatment strategies and preventative measures for photosensitive epilepsy in children.
Unlabelled:
The aim of this study is to evaluate the frequency of photosensitivity at patients of paediatric age diagnosed with different types of generalized idiophatic epilepsies.
Material And Method:
We used a group of 68 children aged 3-18 years diagnosed: 39 patients with childhood absence epilepsy (CAE), 11 with juvenile absence epilepsy (JAE), 10 with epilepsy with grand mal on awakening (EGMA), 8 with juvenile myoclonic epilepsy (JME). EEG was recording without and with stimulation (hyperventilation, intermittent photic stimulation -IPS) after sleep deprivation. For all children with CAE absences and anormal EEG was provoked by hyperventilation and in 12 cases seizures was provoked by IPS.
Results:
At 4 patients with JAE, EEG show photosensitivity. 5 children with JME have photosensitivity and for one child opening eyes provoked polyspike-wave discharges without clinical correspondent. The EEG of patients with EGMA showed photosensitivity at 6 children. The photosensitivity is frequently associated with generalized idiophatic epilepsies (32.35%) and it is most often seen at girls (54.54%) of puberty age.
Related Concept Videos
Epilepsy ll: Types
Seizures: Classification
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
Epilepsy and Seizures: Overview
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Seizures l: Introduction
Seizures ll: Types
Encephalitis l: Introduction

