Results 251 to 260 of about 42,669 (284)
Basal ganglia beta oscillations during sleep underlie Parkinsonian insomnia
Proceedings of the National Academy of Sciences of the United States of America, 2020 International audienceSignificance Basal ganglia (BG) beta oscillations are a hallmark of Parkinson’s disease (PD) and are specifically reported to correlate with akinesia and rigidity during wakefulness.
Aviv D Mizrahi-Kliger +2 more
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The ups and downs of beta oscillations in sensorimotor cortex
Experimental Neurology, 2013 International audienceSince the first descriptions of sensorimotor rhythms by Berger (1929) and by Jasper and Penfield (1949), the potential role of beta oscillations (~13–30 Hz) in the brain has been intensely investigated.
BJØRG Elisabeth Kilavik +2 more
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Single trial beta oscillations index time estimation
Neuropsychologia, 2015 Recent work shows that putamen-originating beta power oscillations serve as a carrier for temporal information during tapping tasks, with higher beta power associated with longer temporal reproductions. However, given the nature of tapping tasks, it is difficult to determine whether beta power dynamics observed in these tasks are linked to the ...
Tadeusz W Kononowicz, Hedderik Van Rijn
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Journal of Neurophysiology, 2018 The mammalian olfactory bulb (OB) generates gamma (40–100 Hz) and beta (15–30 Hz) local field potential (LFP) oscillations. Gamma oscillations arise at the peak of inhalation supported by dendrodendritic interactions between glutamatergic mitral cells ...
Bolesław L Osiński, Leslie M Kay
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Primate beta oscillations and rhythmic behaviors
Journal of Neural Transmission, 2017The study of non-human primates in complex behaviors such as rhythm perception and entrainment is critical to understand the neurophysiological basis of human cognition. Next to reviewing the role of beta oscillations in human beat perception, here we discuss the role of primate putaminal oscillatory activity in the control of rhythmic movements that ...
Hugo Merchant, Ramón Bartolo
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2010
AbstractNeuromodulatory substances evoke beta2 oscillations in motor and secondary somatosensory cortex, that depend on gap junctions. In the latter case, the oscillations are only weakly dependent on synaptic transmission. Beta2 is most prominent in intrinsically bursting layer 5 pyramidal cells (some of which are expected to contribute to the ...
Roger D. Roger, Miles A. Whittington
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AbstractNeuromodulatory substances evoke beta2 oscillations in motor and secondary somatosensory cortex, that depend on gap junctions. In the latter case, the oscillations are only weakly dependent on synaptic transmission. Beta2 is most prominent in intrinsically bursting layer 5 pyramidal cells (some of which are expected to contribute to the ...
Roger D. Roger, Miles A. Whittington
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Beta-band oscillations — signalling the status quo?
Current Opinion in Neurobiology, 2010In this review, we consider the potential functional role of beta-band oscillations, which at present is not yet well understood. We discuss evidence from recent studies on top-down mechanisms involved in cognitive processing, on the motor system and on the pathophysiology of movement disorders that suggest a unifying hypothesis: beta-band activity ...
Engel, A. +1 more
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Modeling and Analysis of Beta Oscillations in the Basal Ganglia
IEEE Transactions on Neural Networks and Learning Systems, 2018Enhanced beta (12-30 Hz) oscillatory activity in the basal ganglia (BG) is a prominent feature of the Parkinsonian state in animal models and in patients with Parkinson's disease. Increased beta oscillations are associated with severe dopaminergic striatal depletion. However, the mechanisms underlying these pathological beta oscillations remain elusive.
Chen Liu 0003 +4 more
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Closing the loop of DBS using the beta oscillations in cortex
Cognitive Neurodynamics, 2021Cortical information has great importance to reflect the deep brain stimulation (DBS) effects for Parkinson's disease patients. Using cortical activities to feedback is an available closed-loop idea for DBS. Previous studies have demonstrated the pathological beta (12-35 Hz) cortical oscillations can be suppressed by appropriate DBS settings.
Chen, Liu +10 more
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Metabolic Oscillations in β-Cells
Diabetes, 2002Whereas the mechanisms underlying oscillatory insulin secretion remain unknown, several models have been advanced to explain if they involve generation of metabolic oscillations in β-cells. Evidence, including measurements of oxygen consumption, glucose consumption, NADH, and ATP/ADP ratio, has accumulated to support the hypothesis that energy ...
Robert T, Kennedy +3 more
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