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Laterality and deep brain stimulation of the subthalamic nucleus: applying a dichotic listening task to patients treated for Parkinson's disease
Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience, Clinical Neuroscience.
Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience, Clinical Neuroscience.
Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience, Clinical Neuroscience.
Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience, Clinical Neuroscience.
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2015 (English)In: Neurocase, ISSN 1355-4794, E-ISSN 1465-3656, Vol. 21, no 5, 601-606 p.Article in journal (Refereed) Published
Abstract [en]

Ear advantage during a dichotic listening task tends to mirror speech lateralization. Previous studies in stroke patients have shown that lesions in the dominant hemisphere often seem to produce changes in ear advantage. In this study six Parkinson's disease (PD) patients treated for motor symptoms with deep brain stimulation (DBS) of the left subthalamic nucleus (STN) were tested preoperatively and at approximately 6 and 18months postoperatively with a dichotic listening task. Results show a significant decline of the right ear advantage over time. In three of the patients a right ear advantage preoperativley changed to a left ear advantage 18months postoperatively. This suggests the possibility that additional longitudinal studies of this phenomenon could serve as a model for understanding changes in indirect measures of speech lateralization in stroke patients.

Place, publisher, year, edition, pages
2015. Vol. 21, no 5, 601-606 p.
Keyword [en]
hemispheric dominance, subthalamic nucleus, deep brain stimulation, dichotic listening, aphasia
National Category
Neurology Psychiatry Psychology
Identifiers
URN: urn:nbn:se:umu:diva-105995DOI: 10.1080/13554794.2014.960427ISI: 000356354500008PubMedID: 25254607OAI: oai:DiVA.org:umu-105995DiVA: diva2:840651
Available from: 2015-07-09 Created: 2015-07-03 Last updated: 2017-05-11Bibliographically approved

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Sjöberg, Rickard L.Häggström, BjörnPhilipsson, JohannaLinder, JanHariz, MarwanBlomstedt, Patric
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CiteExportLink to record
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