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ID 31184
file
creator
Hadoush, Hikmat
Inoue, Ken
subject
compression
decompression
electrical stimuli
mechanical stimuli
somatosensory-evoked fields
NDC
Medical sciences
abstract
We studied somatosensory-evoked fields elicited by mechanical versus electrical stimuli to index finger of healthy participants. Mechanical stimulation was index pulp compression and decompression by using nonmagnetic mechanical stimulator. Electrical stimulation was three times of sensory threshold and delivered to index pulp by using ball-shaped electrodes. Mechanical/electrical stimuli evoked contralateral primary somatosensory cortical responses in all respective participants. Compressive stimuli evoked ipsilateral primary sensorimotor cortical responses in all respective participants, with dipole strengths less than contralateral primary somatosensory cortical responses of compressive stimuli. Mechanical/electrical stimuli evoked secondary somatosensory (SII) cortical responses bilaterally; electrical-stimuli SII dipole strengths were relatively stronger than compressive-stimuli SII responses. It is concluded that the use of mechanical stimulation may improve our understanding of functional sensory cortical responses compared with electrical stimulation.
journal title
NeuroReport
volume
Volume 21
issue
Issue 2
start page
108
end page
113
date of issued
2010-01-27
publisher
Lippincott Williams & Wilkins
issn
0959-4965
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
author
rights
Copyright (c) 2010 Lippincott Williams & Wilkins, Inc.
relation url
department
Graduate School of Biomedical Science