A meta-analytic review of verbal fluency performance following focal cortical lesions

J. D. Henry, John Robertson Crawford

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Abstract

A meta-analysis of 3 1 studies with 1.791 participants was conducted to investigate the sensitivity of tests of verbal fluency to the presence of focal cortical lesions. Relative to healthy controls, participants with focal frontal injuries had large and comparable deficits on phonemic (r = .52) and semantic (r = .54) fluency. For frontal but not nonfrontal patients, phonemic fluency deficits qualified as differential deficits when compared with IQ and psychomotor speed: phonemic fluency was also more strongly and more specifically related to the presence of frontal lesions than the Wisconsin Card Sorting Test scores. In contrast, temporal damage was associated with a lesser deficit on phonemic fluency (r = .44) but a larger deficit on semantic fluency (r = .61).

Original languageEnglish
Pages (from-to)284-295
Number of pages11
JournalNeuropsychology
Volume18
Issue number2
DOIs
Publication statusPublished - 2004

Keywords

  • FRONTAL-LOBE LESIONS
  • TRAUMATIC BRAIN-INJURY
  • CARD SORTING TEST
  • WORD FLUENCY
  • TEMPORAL-LOBE
  • ALZHEIMERS-DISEASE
  • PARKINSONS-DISEASE
  • CATEGORY FLUENCY
  • SEMANTIC FLUENCY
  • WORKING-MEMORY

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