Results 211 to 220 of about 68,657 (264)

Tonic REM sleep EEG components predict better mood, cognition and reduce cortical excitability overnight

Wong S, Ravindran KKG, Hebron H, Lucarelli D, Lo J, Groeger J, Wisden W, Violante IR, Dijk D, Jaramillo V.   +9 more
europepmc   +1 more source

Temporal interference stimulation over the motor cortex enhances cortical excitability in rats. [PDF]

Sci Rep
Nguyen TXD, Chen KT, Liu HL, Kuo CW, Peng CW, Chang MY, Hsieh TH.   +6 more
europepmc   +1 more source

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Motor Cortical Excitability in Schizophrenia

Biological Psychiatry, 2002
Transcranial magnetic stimulation (TMS) provides a method to examine cortico-cortical motor excitability and hemispheric asymmetry in unmedicated and medicated schizophrenia patients.Fourteen right-handed schizophrenia patients (seven on conventional neuroleptics and seven medication-free) were compared with seven right-handed, age- and gender-matched ...
Álvaro Pascual-Leone García, Dara S Manoach   +1 more
exaly   +3 more sources

Probing for cortical excitability

2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011
This paper introduces a new method for measuring cortical excitability using an electrical probing stimulus via intracranial electroencephalography (iEEG). Stimuli consisted of 100 single bi-phasic pulses, delivered every 10 minutes. Neural excitability is estimated by extracting a feature from the iEEG responses to the stimuli, which we dub the mean ...
Dean R. Freestone, Anthony N. Burkitt, Alan Lai, Timothy S. Nelson, David B. Grayden, Simon J. Vogrin, Michael Murphy, Wendyl D'Souza, Radwa A. B. Badawy, Levin Kuhlmann, Mark J. Cook   +10 more
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Acupuncture and the modulation of cortical excitability

NeuroReport, 2003
Although acupuncture is increasingly utilized for medical therapy, its mechanism of action remains uncertain. We used transcranial magnetic stimulation to demonstrate lateralized effects of motor cortex excitability with this technique. Right-sided reduction in motor cortex excitability and a tendency to the opposite effect on the left side was seen ...
Y L, Lo, S L, Cui
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Choline Excites Cortical Neurons

Science, 1979
In cats under halothane or methoxyflurane, iontophoretic applications of choline are only eight times weaker than applications of acetylcholine in evoking firing of neurons in the sensorimotor region of the cerebral cortex. The action of choline is suppressed by atropine but not by two agents that block choline uptake (hemicholinium-3 and ...
K, Krnjević, W, Reinhardt
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Circadian Regulation of Human Cortical Excitability [PDF]

Nature Communications, 2016
Abstract Prolonged wakefulness alters cortical excitability, which is essential for proper brain function and cognition. However, besides prior wakefulness, brain function and cognition are also affected by circadian rhythmicity. Whether the regulation of cognition involves a circadian impact on cortical excitability is unknown. Here,
Mario Carmine Emiliano Rosanova, Simone Sarasso, Christophe Phillips   +2 more
exaly   +8 more sources

The rhythm of cortical excitability

Electroencephalography and Clinical Neurophysiology, 1980
Evidence has been gained which suggests that the spectral properties of the excitability cycle are other than those first proposed or assumed to exist in a number of experiments and theories. Instead of appearing as a sinusoidal cycle at the alpha frequency, the excitability cycle seems to be irregular and slower on the average than the EEG alpha ...
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Excitation and inhibition in the production of cortical afterdischarges

Electroencephalography and Clinical Neurophysiology, 1974
Abstract Subconvulsive electrical stimulation of the cortical surface evokes both excitation and inhibition of unit discharge. Although the inhibition phase appears to be more intense at higher stimulation rates, early excitation occupies a greater proportion of the interpulse interval as the effective stimulus frequency approaches an afterdischarge ...
E, Puil, R J, Reiffenstein, C, Triggle
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Cortical Excitability, Perseveration, and Stuttering

Journal of Speech and Hearing Research, 1971
Twenty-three male stutterers were compared with 25 male nonstutterers on measures of speech behavior, perseveration, and neurologic function. Flicker fusion threshold was determined as the single measure of perseveration, and multiple oral readings of a 218-word passage were recorded.
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