Value of the Written Verbal Fluency Index, calculated by subtracting the time taken to copy the words from 9 minutes, then dividing the resulting time by the number of legitimate words
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Written Verbal Fluency Test (WVFT) - index value
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Value of the Written Verbal Fluency Index, calculated by subtracting the time taken to copy the words from 9 minutes, then dividing the resulting time by the number of legitimate words
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Abrahams S., Leigh P.N., Harvey A., Vythelingum G.N., Grise D., Goldstein L.H. (2000). Verbal fluency and executive dysfunction in amyotrophic lateral sclerosis (ALS). Neuropsychologia, 38:734-47. Abrahams S., Goldstein L.H., Al-Chalabi A., Pickering A., Morris R.G., Passingham R.E., Brooks D.J. and Leigh P.N. (1997). Relation between cognitive dysfunction and pseudobulbar palsy in amyotrophic lateral sclerosis. Journal of Neurology, Neurosurgery and Psychiatry, 62:464-72. Abrahams S., Goldstein L.H., Simmons A., Brammer M.J., Williams S.C.R., Giampietro V. and Leigh P.N. (2004). Word retrieval in amyotrophic lateral sclerosis: a functional magnetic resonance imaging study. Brain, 127:1507-17. Abrahams S., Goldstein L.H., Suckling J., Ng V., Simmons A., Giampietro V., Atkins L., Williams S.C.R. and Leigh, P.N. (2005a). Fronto-temporal white matter changes in patients with amyotrophic lateral sclerosis. Journal of Neurology, 252:321-31. Abrahams S., Goldstein L.H. and Leigh P.N. (2005b). Cognitive change in amyotrophic lateral sclerosis: a prospective study. Neurology, 64:1222-26.