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Related Experiment Videos

Narrative and procedural discourse in temporal lobe epilepsy.

Brian Bell1, Christian Dow, E Ryann Watson

  • 1Department of Neurology, University of Wisconsin, Madison, Wisconsin 53792, USA. bell@neurology.wisc.edu

Journal of the International Neuropsychological Society : JINS
|August 7, 2003
PubMed
Summary
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Adults with early-onset temporal lobe epilepsy (TLE) may experience mild discourse dysfunction, particularly in narrative tasks. This deficit, affecting a significant minority, correlates with working memory but not other language measures.

Area of Science:

  • Neurology
  • Psycholinguistics
  • Cognitive Neuroscience

Background:

  • Individuals with temporal lobe epilepsy (TLE) often exhibit single-word language deficits.
  • Discourse production in TLE patients is less frequently studied quantitatively.
  • Early seizure onset in TLE may impact higher-level language functions.

Purpose of the Study:

  • To quantitatively assess discourse production in adult TLE patients with early seizure onset.
  • To compare narrative and procedural discourse abilities between TLE patients and controls.
  • To investigate the relationship between discourse performance and cognitive factors like working memory.

Main Methods:

  • Comparison of adult TLE patients (n=27, onset ≤14 years) with a control group (n=28).

Related Experiment Videos

  • Administration of narrative and procedural discourse tasks.
  • Statistical analysis of discourse variables and correlation with cognitive measures.

    • Main Results:

    • TLE patients performed comparably to controls on procedural discourse.
    • Significant differences were observed in narrative discourse variables between TLE patients and controls.
    • Individually, 30% of TLE patients showed impaired discourse compared to 4% of controls (p<0.01).
    • Discourse performance correlated significantly with working memory.
    • No association found between discourse performance and demographic or seizure history variables.

    Conclusions:

    • Mild discourse dysfunction is present in a notable minority of early-onset TLE patients.
    • This deficit is primarily observed in narrative discourse and is linked to working memory.
    • The findings highlight the need for further research into discourse ability and its correlates in TLE.