Old dogs with new tricks

detecting accelerated long-term forgetting by extending traditional measures

Laurie A. Miller*, Emma Flanagan, Annu Mothakunnel, Armin Mohamed, Zoe Thayer

*Corresponding author for this work

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    Accelerated long-term forgetting (ALF) is a condition in which normal memory performance is displayed after short delays, but significant memory loss is detected when memory is tested after several days or weeks. This condition has been reported in patients with epilepsy, but there are few normative scores available for its detection in clinical practice. In the present study, we assessed 60 healthy control subjects 18-60. years of age on three memory measures [Rey Auditory Verbal Learning (RAVLT), Logical Memory (LM), and Aggie Figures] at delays of 30. min and 7. days. With these normative values, we determined cutoff scores to look for ALF and then categorized the performance of 15 patients with focal epilepsy on the same tasks. Seven of the patients showed ALF, and, in four of these, no other memory deficits (i.e., deficits at 30. min on at least one task) were detected. Of the several demographic and epilepsy factors examined, only higher estimated IQ and older age predicted ALF (and only on one task: RAVLT). The findings provide a useful set of data to be applied in the clinic and some insight into the factors that influence retention within the first week.

    Original languageEnglish
    Pages (from-to)205-211
    Number of pages7
    JournalEpilepsy and Behavior
    Volume45
    DOIs
    Publication statusPublished - 1 Apr 2015

    Keywords

    • Epilepsy
    • Memory
    • Normative data
    • Recall

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