Document Detail

Steady-state vibration evoked potentials: descriptions of technique and characterization of responses.
MedLine Citation:
PMID:  1375885     Owner:  NLM     Status:  MEDLINE    
Steady-state scalp evoked potentials were recorded in response to amplitude modulated vibration applied to the fingers and palmar surface of one hand. Evoked response dependence on the frequency of amplitude modulation in the 2-40 Hz range was studied in a group of normal young adult volunteers. Response amplitude was greatest at low amplitude modulation frequencies. The greatest signal to EEG noise ratios were found at modulation frequencies near 26 Hz. At modulation frequencies near 26 Hz the steady-state response latency was found to be 58 +/- 14 msec. Inverse dipole modeling localized the steady-state evoked response generators in or near somatosensory cortex with the dipole moment orientation being predominantly in the anterior-posterior direction.
A Z Snyder
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Electroencephalography and clinical neurophysiology     Volume:  84     ISSN:  0013-4694     ISO Abbreviation:  Electroencephalogr Clin Neurophysiol     Publication Date:    1992 May-Jun
Date Detail:
Created Date:  1992-07-09     Completed Date:  1992-07-09     Revised Date:  2008-09-09    
Medline Journal Info:
Nlm Unique ID:  0375035     Medline TA:  Electroencephalogr Clin Neurophysiol     Country:  IRELAND    
Other Details:
Languages:  eng     Pagination:  257-68     Citation Subset:  IM    
Department of Neurology and Neurological Surgery, Washington University School of Medicine, St. Louis, MO 63110.
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MeSH Terms
Brain / physiology*
Brain Mapping*
Evoked Potentials / physiology*
Physical Stimulation
Reaction Time / physiology
Grant Support

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