Utility of Green's Word Memory Test Free Recall Subtest as a Measure of Verbal Memory: Initial Evidence from a Temporal Lobe Epilepsy Clinical Sample

This study investigated the Word Memory Test (WMT) Free Recall (FR) subtest as a conventional memory measure. Nineteen participants with pharmacoresistant left temporal lobe epilepsy (LTLE) and 16 with right temporal lobe epilepsy (RTLE) completed the WMT, Rey Auditory Verbal Learning Test (RAVLT),...

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Bibliographic Details
Published in:Archives of clinical neuropsychology 2016-02, Vol.31 (1), p.79-87
Main Authors: Soble, Jason R, Osborn, Katie E, Mattingly, Michelle L, Vale, Fernando L, Benbadis, Selim R, Rodgers-Neame, Nancy T, Schoenberg, Mike R
Format: Article
Language:English
Subjects:
Adult
Age Factors
Epilepsy, Temporal Lobe - complications
Epilepsy, Temporal Lobe - diagnosis
Epilepsy, Temporal Lobe - psychology
Female
Functional Laterality
Humans
Male
Memory Disorders - complications
Memory Disorders - psychology
Mental Recall
Neuropsychological Tests
ROC Curve
Verbal Learning
Wechsler Scales
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Summary:This study investigated the Word Memory Test (WMT) Free Recall (FR) subtest as a conventional memory measure. Nineteen participants with pharmacoresistant left temporal lobe epilepsy (LTLE) and 16 with right temporal lobe epilepsy (RTLE) completed the WMT, Rey Auditory Verbal Learning Test (RAVLT), and Wechsler Memory Scale-Fourth Edition Logical Memory (LM) subtest during presurgical evaluation. LTLE participants performed significantly worse on FR subtest (p < .05, [Formula: see text]) and RAVLT Trial 7 (p < .01, [Formula: see text]), but not on LM subtest. Age was a significant covariate for FR (p < .01, [Formula: see text]). Logistic regression revealed FR plus age and RAVLT age-adjusted T-scores both yielded 77.1% classification accuracy and respective diagnostic odds ratios of 11.36 and 11.84. Receiver operating characteristic curves to classify seizure laterality found that RAVLT and FR were significant (area under the curve [AUC] = 0.82 and 0.74), whereas LM was nonsignificant (AUC = 0.67). Cut scores and positive/negative predictive values were established for improved clinical classification.
ISSN:0887-6177
1873-5843
DOI:10.1093/arclin/acv084