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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1991-4-2
pubmed:abstractText
The effect of variation in the stimulus frequency on spinal and cortical somatosensory evoked potentials (SSEPs) to common peroneal nerve stimulation at the knee (CPN-K) and tibial nerve stimulation at the ankle (TN-A) was studied in 11 healthy subjects. Six stimulus frequencies, 0.7, 1.5, 3.0, 5.0, 7.0 and 10.0 Hz, were used in random order. With increasing stimulus rate spinal responses remained unchanged. By contrast, early cortical responses became significantly reduced in amplitude or undetectable for stimulation frequencies above 3.0 Hz for the CPN-K and 5.0 Hz for the TN-A. In 2 subjects the configuration and the latency of CPN-K SSEPs were affected by stimulus frequency. Similar changes were not observed in TN-A SSEPs.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
0424-8155
pubmed:author
pubmed:issnType
Print
pubmed:volume
41
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
149-52
pubmed:dateRevised
2007-10-8
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
The effect of stimulus frequency on spinal and scalp somatosensory evoked potentials to stimulation of nerves in the lower limb.
pubmed:affiliation
Department of Clinical Neurophysiology, II School of Medicine, University of Naples, Italy.
pubmed:publicationType
Journal Article