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Repeat testing enhances long-term verbal memory in children with epilepsy.

Samantha Joplin1, Michael Gascoigne2, Belinda Barton3

  • 1School of Psychology, The University of Sydney, Camperdown, NSW, Australia.

Child Neuropsychology : a Journal on Normal and Abnormal Development in Childhood and Adolescence
|May 5, 2023
PubMed
Summary

Children with epilepsy show accelerated long-term forgetting (ALF), particularly those with genetic generalized epilepsy (GGE). Poor executive skills are linked to ALF, but repeated testing may help mitigate memory decline.

Keywords:
Accelerated Long-term Forgetting (ALF)Genetic Generalised Epilepsy (GGE)Temporal Lobe Epilepsy (TLE)executive functioning in childrenrepeat testing and memory retention

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Area of Science:

  • Neuropsychology
  • Pediatric Neurology

Background:

  • Accelerated long-term forgetting (ALF) is a memory deficit impacting learning and daily life.
  • Epilepsy, particularly genetic generalized epilepsy (GGE) and temporal lobe epilepsy (TLE), may affect memory functions in children.

Purpose of the Study:

  • To investigate ALF in children with GGE and TLE using standardized verbal memory tests.
  • To determine the influence of executive functions and repeated testing on ALF in pediatric epilepsy populations.

Main Methods:

  • A cohort of 123 children (8-16 years) including those with GGE, TLE, and typically developing (TD) controls completed executive functioning and verbal memory assessments.
  • Memory was tested via immediate and delayed recall (30-min), with one story assessed at 1-day and 2-weeks, and another at 2-weeks only. Recognition was tested at 2-weeks.

Main Results:

  • Children with epilepsy exhibited poorer immediate and 30-min story recall compared to TD children.
  • The GGE group, unlike the TLE group, demonstrated ALF, showing significantly worse recall for the story tested only at the 2-week delay.
  • ALF in children with epilepsy was significantly correlated with deficits in executive skills.

Conclusions:

  • Standardized verbal memory tests administered over extended delays can effectively detect ALF in children with epilepsy.
  • ALF in pediatric epilepsy is associated with impaired executive functions.
  • Repeated testing over long delays may potentially reduce the impact of ALF in some children with epilepsy.