Journal Article

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

Jason R. Soble, Katie E. Osborn, Michelle L. Mattingly, Fernando L. Vale, Selim R. Benbadis, Nancy T. Rodgers-Neame and Mike R. Schoenberg

in Archives of Clinical Neuropsychology

Volume 31, issue 1, pages 79-87
Published in print February 2016 | ISSN: 0887-6177
Published online December 2015 | e-ISSN: 1873-5843 | DOI: https://dx.doi.org/10.1093/arclin/acv084
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

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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, [math]) and RAVLT Trial 7 (p < .01, [math]), but not on LM subtest. Age was a significant covariate for FR (p < .01, [math]). 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.

Keywords: Epilepsy; Assessment; Learning and memory; Lateralization

Journal Article.  6151 words. 

Subjects: Neuroscience ; Neuropsychology

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