Quantitative and Qualitative Evaluation of Patterns of Cerebral Language Dominance

Kurthen, Martin; Helmstaedter, C.; Linke, D. B.; Hufnagel, A.; Elger, Christian E.; Schramm, Johannes

doi:10.1006/brln.1994.1030

Cited by 89 publications

(67 citation statements)

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“…This finding is in accord with previously established findings regarding the effects of epilepsy-related pathology (Gaillard et al, 2007;Kurthen et al, 1992Kurthen et al, , 1994Papanicolaou et al, 1999;Pataraia et al, 2004;Risse et al, 1997). This suggests a functional reorganization (i.e., complete or partial hemispheric shift) of language in response to the progressive pathology associated with epilepsy, but should not be generalized to other types of pathologies.…”

Section: Resultssupporting

confidence: 91%

“…However, in patient samples sustaining long-term LH pathology, such as that typically associated with seizures, substantial deviations in the proportion of typical language organization can be found (Gaillard et al, 2007;Kurthen et al, 1992Kurthen et al, , 1994Papanicolaou et al, 1999;Pataraia et al, 2004;Springer et al, 1999;Risse, Gates, & Fangman, 1997). For example, Springer et al (1999) found differences in lateralization using a dominance classification criterion for fMRI data during semantic processing in persons with epilepsy compared to normal participants.…”

Section: Introductionmentioning

confidence: 99%

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Evidence for the Solidarity of the Expressive and Receptive Language Systems: A Retrospective Study

Moser

Papanicolaou

Swank

et al. 2010

J Int Neuropsychol Soc

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A strong tendency toward left hemisphere (LH) language dominance has been well established, as evidenced by the high prevalence of language impairment following sudden onset lesions in the LH. In the presence of progressive LH pathology, such as epilepsy, substantial deviations in language organization can occur. However, the question regarding whether reorganization involves both expressive and receptive language functions or only the one directly affected by the primary location of pathology has not been settled. Using Wada testing scores from 296 epilepsy patients and estimated rates of typical dominance in the normal population, we assessed the frequency with which left frontal and temporal pathology resulted in reorganization of only the expressive or receptive language function or both. The comparisons revealed: (1) a significantly higher prevalence of atypical organization (i.e., deviations from LH dominance) among the LH patients compared to normal population estimates and right hemisphere patients, and (2) that regardless of pathology location within the LH, the rates of atypical reorganization for both expressive and receptive language were essentially equal. These results constitute evidence that the two language functions are intimately yoked and that when disruption to the system results in reorganization, it usually yields functional changes throughout the system.

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Section: Resultssupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Evidence for the Solidarity of the Expressive and Receptive Language Systems: A Retrospective Study

Moser

Papanicolaou

Swank

et al. 2010

J Int Neuropsychol Soc

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“…Bayesian analysis is based on three key components: pretest probability, likelihood ratio, and posttest probability. The Bayes theorem formula to determine the posttest probability of hemispheric dominance, given a positive functional MR result (20,21), is as follows:…”

Section: Methodsmentioning

confidence: 99%

Role of Functional MR in Determining Language Dominance in Epilepsy and Nonepilepsy Populations: A Bayesian Analysis

Medina¹,

Bernal²,

Ruiz³

2007

Radiology

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“…Intracarotid amobarbital tests (IAT) are performed in selected patients for the determination of language dominance, particularly in hemispherectomy and callosotomy candidates and in patients with epileptic foci close to or overlapping with putative language areas [13,16]. IAT for memory evaluation in TLE patients have largely been abandoned due to the insufficiency of this test for the prediction of postoperative memory performance in individual cases.…”

Section: Standard and Selective Carotid Amobarbital Testsmentioning

confidence: 99%

Preoperative Evaluation for Epilepsy Surgery (Bonn Algorithm)

Kral

Clusmann²,

Urbach³

et al. 2002

Zentralbl Neurochir

Self Cite

140

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Epilepsy surgery has been established as a successful treatment in patients with drug-resistant focal epilepsies. Different standardized surgical approaches were developed for resective or functional treatment. Successful surgical treatment, however, necessitates a careful presurgical evaluation. Although there are international standards for non invasive and invasive presurgical procedures most centers differ in their diagnostic strategy. This article gives a survey of the Bonn Epilepsy surgery program within which more than 1300 patients have been treated. After the method of patient selection different we describe tools of non invasive and invasive evaluation. This article serves only as a description of current practice in one center with a relatively large volume of cases. It presents just one opinion of a specific group within a wide spectrum of possible algorithms for presurgical evaluation that have briefly been outlined for 33 centers in Engels book [4].

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Quantitative and Qualitative Evaluation of Patterns of Cerebral Language Dominance

Cited by 89 publications

References 0 publications

Evidence for the Solidarity of the Expressive and Receptive Language Systems: A Retrospective Study

Evidence for the Solidarity of the Expressive and Receptive Language Systems: A Retrospective Study

Role of Functional MR in Determining Language Dominance in Epilepsy and Nonepilepsy Populations: A Bayesian Analysis

Preoperative Evaluation for Epilepsy Surgery (Bonn Algorithm)

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