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Related Experiment Videos

Does naming contribute to memory self-report in temporal lobe epilepsy?

M F O'Shea1, M M Saling, P F Bladin

  • 1Department of Psychology, University of Melbourne, Australia.

Journal of Clinical and Experimental Neuropsychology
|February 1, 1996
PubMed
Summary

Memory complaints in temporal lobe epilepsy (TLE) are not solely due to visual naming deficits. Word retrieval, specifically orthographically based, influences memory self-ratings in TLE patients.

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Area of Science:

  • Neuroscience
  • Clinical Psychology
  • Epilepsy Research

Background:

  • Memory complaints are common in temporal lobe epilepsy (TLE).
  • Previous hypotheses suggested visual confrontation naming deficits underlie these complaints.
  • The relationship between specific cognitive functions and subjective memory is not fully understood in TLE.

Purpose of the Study:

  • To evaluate the hypothesis that visual confrontation naming deficits contribute to memory complaints in TLE patients.
  • To investigate the association between objective memory performance, naming abilities, and self-reported memory issues in TLE.
  • To explore the role of word retrieval processes in memory self-perception within epilepsy cohorts.

Main Methods:

  • Compared 39 patients with medically refractory TLE (left and right) to 38 patients with idiopathic primary generalized epilepsy.

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  • Administered subtests from the Multilingual Aphasia Examination and Wechsler Memory Scale (Form 1).
  • Utilized a specific measure for quantifying memory complaints and the Controlled Oral Word Association test.

    • Main Results:

    • Objective verbal memory, confrontation naming, repetition, and comprehension did not correlate with memory self-reports.
    • Controlled Oral Word Association performance was the sole measure influencing memory self-ratings, specifically in the TLE group.
    • The initial hypothesis linking visual confrontation naming deficits to TLE memory complaints was not directly supported.

    Conclusions:

    • Visual confrontation naming deficits do not specifically underlie memory complaints in TLE.
    • Cognitive processes involved in orthographically based and internally generated word retrieval appear to influence memory self-report in TLE.
    • Further research into the nuances of word retrieval and its impact on subjective memory is warranted in epilepsy populations.