NDLI: Verbal Fluency in Focal Epilepsy: A Systematic Review and Meta-analysis

Content Provider	Springer Nature Link
Author	Metternich, B. Buschmann, F. Wagner, K. Schulze Bonhage, A. Kriston, L.
Copyright Year	2014
Abstract	Testing of verbal fluency is currently part of standard presurgical neuropsychological assessment for patients with focal epilepsy. However, to date no systematic review has been conducted on semantic (SVF) and phonemic verbal fluency (PVF) in this patient group. The present review compares verbal fluency between healthy control subjects and subgroups of adult presurgical patients with focal epilepsy according to lateralisation and localisation of the dysfunction. PubMed was searched with a comprehensive search string. Abstracts of all studies and full-texts of potentially relevant studies were screened. Study quality was assessed by independent raters according to predefined criteria. 39 studies were included. Meta-analyses were performed to compare SVF and PVF across groups of patients with temporal (TLE) and frontal lobe epilepsy (FLE) as well as healthy controls (HC). Both patients with left- and right sided TLE were impaired on SVF and PVF compared to HC. Patients with left-sided TLE were slightly more impaired than patients with right-sided TLE. Patients with FLE showed a larger impairment in PVF than patients with TLE, whereas on SVF there was no difference between FLE and TLE. For TLE comparisons the study pool seems to have been sufficient, whereas more studies are needed to verify results for FLE. Semantic verbal fluency might not differentiate between FLE and TLE. While verbal fluency impairment was anticipated, especially in left-sided TLE and FLE patients, the impairment in patients with right-sided TLE was larger than expected. Results are discussed with regard to neuropsychological theory and practice.
Starting Page	200
Ending Page	218
Page Count	19
File Format	PDF
ISSN	10407308
Journal	Neuropsychology Review
Volume Number	24
Issue Number	2
e-ISSN	15736660
Language	English
Publisher	Springer US
Publisher Date	2014-03-26
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Focal epilepsy Temporal lobe Frontal Verbal fluency Semantic Phonemic Meta-analysis Systematic review Public Health Neuropsychology Neurology Neuroradiology Health Psychology
Content Type	Text
Resource Type	Article
Subject	Neuropsychology and Physiological Psychology

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