Detection of a Weak Somatosensory Stimulus: Role of the Prestimulus Mu Rhythm and Its Top–Down Modulation

The ongoing neural activity in human primary somatosensory cortex (SI) is characterized by field potential oscillations in the 7–13 Hz range known as the mu rhythm. Recent work has shown that the magnitude of the mu oscillation immediately preceding the onset of a weak stimulus has a significant imp...

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Veröffentlicht in:	Journal of cognitive neuroscience 2010-02, Vol.22 (2), p.307-322
Hauptverfasser:	Zhang, Yan, Ding, Mingzhou
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Brain Mapping Electric Stimulation Electroencephalography - methods Evoked Potentials, Somatosensory - physiology Female Humans Male Probability Psychomotor Performance - physiology Sensory Thresholds - physiology Signal Detection, Psychological - physiology Somatosensory Cortex - physiology Spectrum Analysis - methods Young Adult
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