An Increase in Cortical Excitability with No Change in Spinal Excitability during Motor Imagery

1996 ◽  
Vol 83 (1) ◽  
pp. 288-290 ◽  
Author(s):  
Susumu Yahagi ◽  
Kuniyoshi Shimura ◽  
Tatsuya Kasai
Keyword(s):  
Transcranial Magnetic Stimulation ◽  
Evoked Potentials ◽  
Motor Imagery ◽  
Magnetic Stimulation ◽  
Cortical Excitability ◽  
Motor Evoked Potentials ◽  
Emg Activity ◽  
Electrical Stimuli ◽  
Spinal Excitability ◽  
Flexor Carpi Radialis Muscle

During motor imagery, to estimate changes in excitability of flexor carpi radialis muscle motoneurons of the spinal and cortical levels, electrical stimuli for recording H-reflex and transcranial magnetic stimulation (TMS) for recording motor evoked potentials (MEPs) were used. In the absence of movement or detectable EMG activity during motor magery, there was an increase in cortical excitability with no change in spinal excitability

scholarly journals Reliability of diaphragmatic motor-evoked potentials induced by transcranial magnetic stimulation

2020 ◽  
Vol 129 (6) ◽  
pp. 1393-1404
Author(s):  
Joseph F. Welch ◽  
Patrick J. Argento ◽  
Gordon S. Mitchell ◽  
Emily J. Fox
Keyword(s):  
Transcranial Magnetic Stimulation ◽  
Evoked Potentials ◽  
Magnetic Stimulation ◽  
Motor Evoked Potentials ◽  
Surface Emg ◽  
Noninvasive Technique ◽  
Large Variability ◽  
Adult Men ◽  
Latency Duration ◽  
Excellent Reproducibility

Transcranial magnetic stimulation (TMS) is a noninvasive technique to assess neural impulse conduction along the cortico-diaphragmatic pathway. The reliability of diaphragm motor-evoked potentials (MEP) induced by TMS is unknown. Notwithstanding large variability in MEP amplitude, we found good-to-excellent reproducibility of all MEP characteristics (latency, duration, amplitude, and area) both within- and between-day in healthy adult men and women. Our findings support the use of TMS and surface EMG to assess diaphragm activation in humans.

A stereotactic method for image-guided transcranial magnetic stimulation validated with fMRI and motor-evoked potentials

NeuroImage ◽  
2004 ◽  
Vol 21 (4) ◽  
pp. 1805-1817 ◽  
Author(s):  
S.F.W. Neggers ◽  
T.R. Langerak ◽  
D.J.L.G. Schutter ◽  
R.C.W. Mandl ◽  
N.F. Ramsey ◽  
...  
Keyword(s):  
Transcranial Magnetic Stimulation ◽  
Evoked Potentials ◽  
Magnetic Stimulation ◽  
Motor Evoked Potentials ◽  
Image Guided ◽  
Stereotactic Method

Motor evoked potentials by transcranial magnetic stimulation in patients with hypertensive intracerebral hemorrhage.

Nosotchu ◽  
2000 ◽  
Vol 22 (4) ◽  
pp. 601-604
Author(s):  
Hitoshi Morimitsu ◽  
Akira Oukura ◽  
Takashi Tokutomi ◽  
Houtetsu Shimamoto ◽  
Minoru Shigemori
Keyword(s):  
Transcranial Magnetic Stimulation ◽  
Intracerebral Hemorrhage ◽  
Evoked Potentials ◽  
Magnetic Stimulation ◽  
Motor Evoked Potentials ◽  
Hypertensive Intracerebral Hemorrhage
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