نتایج جستجو برای: Signal Burst
تعداد نتایج: 444727 فیلتر نتایج به سال:
INTRODUCTION Changes in neural activity induce changes in functional magnetic resonance (fMRI) blood oxygenation level dependent (BOLD) signal. Commonly, increases in BOLD signal are ascribed to cellular excitation. OBJECTIVE The relationship between electrical activity and BOLD signal in the human brain was probed on the basis of burst suppression EEG. This condition includes two distinct st...
Within an individual, diastolic blood pressure (DBP) is negatively related to sympathetic burst incidence, such that lower pressure is associated with high burst incidence. Our goal was to explore the use of a calculation of a DBP "error signal" in the control of muscle sympathetic nerve activity in men and women. Baseline muscle sympathetic nerve activity was measured in healthy young men (n=2...
Long duration gamma-ray bursts (GRBs) are among the least understood astrophysical transients powering high-energy universe. To date, various mechanisms have been proposed to explain observed electromagnetic GRB emission. In this work, we show that, although different jet models may be equally successful in fitting spectral energy distributions, neutrino production strongly depends on adopted e...
We measured the variability in latency of the first spike seen in cells of the cat's lateral geniculate nucleus following the onset of a visual stimulus. We found that, in each of the 11 cells tested, this variability was significantly lower during burst than during tonic firing. We suggest that this difference confers an advantage in signal detection during burst compared to tonic firing. This...
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