Results 181 to 190 of about 64,639 (211)
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The Effects of Selective Response Preparation on Corticospinal Excitability
Cortex, 2000Both motor imagery and selective motor cues enhance performance. Motor cortex is activated during motor imagery. We wanted to learn if selective motor cueing also activates motor cortex.We gave normal right-handed subjects information about which hand to use to respond to an imperative stimulus (selective intention) or where in space an imperative ...
M S, Young +3 more
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Increased excitability of the human corticospinal system with hyperventilation
Electroencephalography and Clinical Neurophysiology/Electromyography and Motor Control, 1998Hyperventilation is effective in inducing generalized spike-wave discharges in patients with absence seizures and improves visual function and normalizes visual function in patients with multiple sclerosis. Hyperventilation increases the excitability of cutaneous and motor axons.
M, Seyal, B, Mull, B, Gage
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Corticospinal excitability following repetitive voluntary movement
Journal of Clinical Neuroscience, 2018Post-exercise cortical depression (PED) is induced by non-fatiguing finger movement. Because the type of exercise that causes PED remains unclear, we conducted two experiments to clarify which exercise factors induce PED. Fifteen healthy participants performed repetitive abduction movements of the right index finger at 2.0 Hz (simple rhythmic task) and
Natsumi, Ishikawa +5 more
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Aperiodic Brain Activity Modulates Corticospinal Excitability
Neuroscience BulletinBrain state-dependent transcranial magnetic stimulation (TMS) synchronizes with instantaneous power and is a novel time-precise neuroregulation approach. The key to this approach is using instantaneous power to reliably estimate specific cortical excitability. However, the specific influence of instantaneous power, particularly aperiodic brain activity,
Jingna Jin +6 more
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Propriospinal transmission of part of the corticospinal excitation in humans
Muscle & Nerve, 2002AbstractIn humans a substantial part of corticospinal excitation to upper limb motoneurons is mediated through cervical premotoneurons located rostral to motoneurons, analogous to the feline system of C3–C4 propriospinal neurons. The indirect (disynaptic) component of the corticospinal command passing through the propriospinal relay may be updated by ...
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Dynamic changes in corticospinal excitability during motor imagery
Experimental Brain Research, 1999We investigated temporal changes in the amplitudes of motor-evoked potentials (MEPs) induced by transcranial magnetic stimulation over the left motor cortex during motor imagery. Nine subjects were instructed to imagine repetitive wrist flexion and extension movements at 1 Hz, in which the flexion timing was cued by a tone signal.
R, Hashimoto, J C, Rothwell
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Changes in corticospinal excitability associated with post-error slowing
Cortex, 2019According to available evidence, after making an erroneous decision people tend to slow down on the next decision. This empirical regularity, known as "post error slowing" (PES), has been traditionally interpreted as the result of a conservative response criterion adopted to avoid future errors and it is supposed to be driven by changes in the ...
Francesco, Ceccarini +5 more
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Paradoxical effect of digital anaesthesia on force and corticospinal excitability
NeuroReport, 2005The role played by sensory information in maintaining motor cortical representations is still incompletely understood. We investigated the effect of digital anaesthesia of the index finger and thumb on the amplitude of motor evoked potentials to transcranial magnetic stimulation (TMS) recorded from the first dorsal interosseus, F-wave response ...
Julie, Duque +5 more
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The Effect of Thermal Stimulation on Corticospinal Excitability
2019This thesis describes a series of experiments to investigate the effect of thermal stimulation on corticospinal excitability using transcranial magnetic stimulation (TMS). Experiment I showed that innocuous cooling or warming of a single digit, produced short-lasting and mixed patterns of modulation only during actual thermal stimulation, with the ...
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Time Course Effect of Corticospinal Excitability for Motor Imagery
European Journal of Neuroscience, 2021Yuma Takenaka +2 more
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