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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2003-1-27
pubmed:abstractText
To investigate whether preprogramming (Bereitschaftspotential, BP) and control activity (skilled performance positivity, SPP) in a complex task are sensitive to L-dopa, movement related potentials (MRPs) were recorded in 12 non-demented Parkinson's disease (PD) patients before and after acute L-dopa administration, and in 17 control subjects. After L-dopa administration, the PD patients scored a significantly higher percentage of correct performances ( p<0.05), linked to a decreased BP amplitude ( p<0.001) and an increased SPP amplitude ( p<0.005), than before therapy. Our findings suggest that preprogramming activity is impaired in untreated PD patients. Dopaminergic drug administration seems to restore their ability to use more automatic motor strategies which become more similar to that of normal subjects.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
1590-1874
pubmed:author
pubmed:issnType
Print
pubmed:volume
23 Suppl 2
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
S73-4
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
2002
pubmed:articleTitle
Psychophysiological approach in Parkinson's disease: L-dopa effects on preprogramming and control activity.
pubmed:affiliation
Clinical Institute of Nervous and Mental Diseases, La Sapienza University, Viale dell'Università 30, I-00185 Rome, Italy.
pubmed:publicationType
Journal Article