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Comparison between fMRI and Wada test
Linköping University, Department of Neuroscience and Locomotion, Neurology. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Neuroscience and Locomotion, Neurology. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Neuroscience and Locomotion, Neurology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Local Health Care Services in Central Östergötland, Department of Neurology.
Linköping University, Department of Medicine and Care, Medical Radiology. Linköping University, Faculty of Health Sciences.
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2004 (English)In: Epilepsia, ISSN 0013-9580, E-ISSN 1528-1167, Vol. 45, no Suppl. 3, 84-84 p.Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

Purpose: Language lateralisation in patients with epilepsy is more often atypical compared to a normal population. The Wada procedure for testing language and memory has some shortcomings; it is invasive and there is always a risk that the patient becomes too sedated, leading to difficulties in performing the tests. fMR1have shown promising results, showing good correlation to the Wadaprocedure concerning language-lateralisation. The aim of this studywas to investigate if fMRI could be used to determine which hemisphere was language dominant and compare the fMR1 results with the Wada-tests with a focus on patients with a complicated lateralisation.

Method: 4 subjects were tested and they had a heterogeneous (I left handed, I ambidexter and 2 right handed) lateralisation and one had a severe dyslexia. A standard Wada procedure was used and compared with a fMRl investigation using a language paradigm.

Results: The patients studied showed different language lateralisation patterns (2 left hemisphere and 2 bilateral). In two patients the two tests were fully concordant, in the others the fMRI showed a more bilateral pattern.

Conclusion: fMR1 adds valuable information in the pre-surgical investigation for patients with a complex language lateralisation.

Place, publisher, year, edition, pages
Wiley-Blackwell, 2004. Vol. 45, no Suppl. 3, 84-84 p.
National Category
Physical Chemistry Chemical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-114151DOI: 10.1111/j.1528-1157.2004.tb04927.xISI: 000222019500285OAI: oai:DiVA.org:liu-114151DiVA: diva2:790564
Conference
6th European Congress on Epileptology, Vienna, Austria, May 30th -June 3rd 2004
Note

Times Cited: 0 Borjesson, L Stockhaus, J Gauffin, H Ragnehed, M Lundberg, P Soderfeldt, B 6th European Congress on Epileptology May 30-jun 03, 2004 Vienna, AUSTRIA 0 3

Available from: 2015-02-25 Created: 2015-02-11 Last updated: 2017-12-04Bibliographically approved

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Gauffin, HelenaRagnehed, MattiasLundberg, Peter

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Epilepsia
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