Meta-analysis of response inhibition in juvenile myoclonic epilepsy

Anna Smith, Marte Syvertsen, Deb K. Pal*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

12 Citations (Scopus)


Background: Patients with juvenile myoclonic epilepsy (JME) show evidence of cognitive impulsivity that may be linked to later adverse psychosocial outcomes. Here, we quantify the strength of association and estimate effect size (ES) of response inhibition by pooling available evidence in a meta-analysis. Methods: We conducted a systematic review of the literature using Ovid MEDLINE and Ovid EMBASE databases (covering 2001–2019) with a search strategy using combinations of the specific Medical Subject Headings (MeSH) terms ‘juvenile myoclonic epilepsy, cognitive impulsivity, response inhibition, Stroop, cognition, personality, traits’ using the ‘explode’ feature where possible. We also searched within references of retrieved articles. We included studies reporting ESs describing established measures of response inhibition in teenage and adult patients with JME. Results: Using the ESs pooled from 16 studies comprising 1047 patients and controls, we found ESs for response inhibition to be homogeneous with a significant moderate mean ES of d = 0.50 (95% confidence interval [CI]: 0.37–0.63). Conclusions: We confirm that reduced response inhibition is a consistently observed homogeneous trait in patients with JME.

Original languageEnglish
Article number107038
JournalEpilepsy and Behavior
Publication statusPublished - May 2020


  • Executive function
  • Impulsivity
  • JME
  • Psychosocial
  • Stroop task


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