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Task-related EEG-EEG coherence depends on dopaminergic activity in Parkinson's disease.

Abstract:

We investigated whether functional coupling between different cortical areas is impaired in Parkinson's disease, using corticocortical coherence as a surrogate measure of coupling. We recorded scalp EEG from different sites in seven parkinsonian patients while they tracked a visual target using their wrist, or copied the same movement from memory. Differences in EEG-EEG coherence between the tracking and copying tasks and their respective controls, visual tracking alone and fixation of a stat...

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Publication status:
Published

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Authors


Cassidy, M More by this author
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Institution:
University of Oxford
Department:
Oxford, MSD, Clinical Neuroscience, Biomedical Research Centre
Journal:
Neuroreport
Volume:
12
Issue:
4
Pages:
703-707
Publication date:
2001-03-05
DOI:
EISSN:
1473-558X
ISSN:
0959-4965
URN:
uuid:03312188-5b3b-471d-a15f-304a2242573d
Source identifiers:
368932
Local pid:
pubs:368932

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