Neurodevelopment in new-onset juvenile myoclonic epilepsy over the first 2 years

Jack J. Lin, Kevin Dabbs, Jeffrey D. Riley, Jana E. Jones, Daren C. Jackson, David A. Hsu, Carl Stafstrom, Michael Seidenberg, Bruce P. Hermann

Research output: Contribution to journalArticle

Abstract

Objective: Adults with juvenile myoclonic epilepsy (JME) have subtle brain structural abnormalities in the frontothalamocortical network, poorer cognitive function, and worse long-term social outcomes, even when their seizures are controlled and/or remitted. The natural history of JME and development of abnormalities in brain structure and cognition from epilepsy onset has not been studied.

Methods: The maturational trajectories of cognitive and brain development were prospectively compared between 19 children with new-onset JME in the first 2 years after diagnosis and 57 healthy controls.

Results: Cognitive abilities of children with JME were similar to or worse than healthy controls at baseline but failed to reach the competence level of healthy controls at follow-up across most of the tested cognitive abilities. Abnormal patterns of brain development, as assessed by magnetic resonance imaging studies, were evident in children with JME and included attenuation of age-related decline in cortical volume, thickness, and surface area compared to typically developing children. The altered brain developmental trajectory in the JME group was evident in higherassociation frontoparietotemporal brain regions (p <0.05, corrected for multiple comparisons).

Interpretation: Children with JME have abnormal structural brain development and impaired cognitive development early in the course of their epilepsy.

Original languageEnglish (US)
Pages (from-to)660-668
Number of pages9
JournalAnnals of Neurology
Volume76
Issue number5
DOIs
StatePublished - Nov 1 2014

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Juvenile Myoclonic Epilepsy
Brain
Aptitude
Cognition
Epilepsy
Mental Competency
Seizures
Magnetic Resonance Imaging

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology
  • Medicine(all)

Cite this

Lin, J. J., Dabbs, K., Riley, J. D., Jones, J. E., Jackson, D. C., Hsu, D. A., ... Hermann, B. P. (2014). Neurodevelopment in new-onset juvenile myoclonic epilepsy over the first 2 years. Annals of Neurology, 76(5), 660-668. https://doi.org/10.1002/ana.24240

Neurodevelopment in new-onset juvenile myoclonic epilepsy over the first 2 years. / Lin, Jack J.; Dabbs, Kevin; Riley, Jeffrey D.; Jones, Jana E.; Jackson, Daren C.; Hsu, David A.; Stafstrom, Carl; Seidenberg, Michael; Hermann, Bruce P.

In: Annals of Neurology, Vol. 76, No. 5, 01.11.2014, p. 660-668.

Research output: Contribution to journalArticle

Lin, JJ, Dabbs, K, Riley, JD, Jones, JE, Jackson, DC, Hsu, DA, Stafstrom, C, Seidenberg, M & Hermann, BP 2014, 'Neurodevelopment in new-onset juvenile myoclonic epilepsy over the first 2 years', Annals of Neurology, vol. 76, no. 5, pp. 660-668. https://doi.org/10.1002/ana.24240
Lin JJ, Dabbs K, Riley JD, Jones JE, Jackson DC, Hsu DA et al. Neurodevelopment in new-onset juvenile myoclonic epilepsy over the first 2 years. Annals of Neurology. 2014 Nov 1;76(5):660-668. https://doi.org/10.1002/ana.24240
Lin, Jack J. ; Dabbs, Kevin ; Riley, Jeffrey D. ; Jones, Jana E. ; Jackson, Daren C. ; Hsu, David A. ; Stafstrom, Carl ; Seidenberg, Michael ; Hermann, Bruce P. / Neurodevelopment in new-onset juvenile myoclonic epilepsy over the first 2 years. In: Annals of Neurology. 2014 ; Vol. 76, No. 5. pp. 660-668.
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