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Depression of motor cortex excitability by low‐frequency transcranial magnetic stimulation
TLDR
Spread of excitation, which may be a warning sign for seizures, occurred in one subject and was not accompanied by increased MEP amplitude, suggesting that spread ofexcitation and amplitude changes are different phenomena and also indicating the need for adequate monitoring even with stimulations at low frequencies.
Demonstration of facilitatory I wave interaction in the human motor cortex by paired transcranial magnetic stimulation
TLDR
It is concluded that the MEP facilitation after paired TMS, at least for the first MEP peak, is due to facilitatory interaction between I waves, and takes place in the motor cortex at or upstream from the corticospinal neurone.
Safety and cognitive effect of frontal DC brain polarization in healthy individuals
TLDR
Limited exposure to direct current polarization of the prefrontal cortex is safe and can enhance verbal fluency selectively in healthy subjects, and deserves consideration as a procedure to improve frontal lobe function in patients.
Dissociation of the pathways mediating ipsilateral and contralateral motor‐evoked potentials in human hand and arm muscles
TLDR
The dissociation of the pathways for ipsilateral and contralateral MEPs indicates that corticofugal motor fibres other than the fast‐conducting crossed corticomotoneuronal system can be activated by TMS.
Noninvasive mapping of muscle representations in human motor cortex.
Responses to rapid-rate transcranial magnetic stimulation of the human motor cortex.
TLDR
Modulation of the amplitude of motor evoked potentials (MEPs) produced in the target muscle during rTMS showed a pattern of inhibitory and excitatory effects which depended on the rT MS frequency and intensity, which suggests that the spread might be due to the breakdown of inhibitORY connections or the recruitment of excited pathways, whereas the post-stimulation facilitation may beDue to a transient increase in the efficacy of excitatories.
Priming Stimulation Enhances the Depressant Effect of Low-Frequency Repetitive Transcranial Magnetic Stimulation
TLDR
The case for overlapping mechanisms is strengthened and a potent new technique for enhancing low-frequency rTMS depression that may have experimental and clinical applications is suggested.
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