Longer Epilepsy Duration Increases Brain Connectivity in Children

Source: Epilepsia

Summary

Researchers studied children with a type of epilepsy called self-limited epilepsy with centrotemporal spikes (SeLECTS) to see how their brain activity changes over time. They looked at 68 children with this condition and compared them to 65 other children without epilepsy. The study focused on how long the children had been experiencing seizures and how often they had interictal spikes, which are brief bursts of electrical activity in the brain that occur between seizures.

The key findings showed that as the duration of epilepsy increased, the connections between different parts of the brain became stronger, especially during sleep. Children who had been experiencing seizures for a longer time had higher connectivity in their brain activity compared to those with more recent onset of epilepsy. In children who had repeated EEG tests, those with ongoing spikes showed an increase in connectivity over time during sleep, while those whose spikes resolved had a decrease in connectivity.

This research is important because it suggests that ongoing interictal spikes might be changing how the brain works over time, which could affect cognitive abilities. Understanding these changes could help in developing treatments that target these spikes to prevent further brain network disruptions. However, the study has limitations, such as the small number of children with repeated EEGs, which means more research is needed to confirm these findings and understand their full impact.

Original source