Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Marjorie A. Parkis"'
Publikováno v:
Journal of Neuroscience Methods. 96:77-85
Neuronal input-output functions are traditionally studied using rectangular or ramp waveforms of injected current. These waveforms are easy to produce and responses to them easy to quantify; thus they have been central to our understanding of the rol
Autor:
Karen C. Peebles, Dean M Robinson, Gregory D. Funk, Marjorie A. Parkis, Gareth B. Miles, SR Selvaratnam
Publikováno v:
Clinical and Experimental Pharmacology and Physiology. 27:120-125
1. Motoneurons (MN) shape motor patterns by transforming inputs into action potential output. This transformation, excitability, is determined by an interaction between synaptic inputs and intrinsic membrane properties. Excitability is not static, bu
Publikováno v:
Brain Research. 805:104-115
The ontogeny of the noradrenergic receptor subtypes modulating hypoglossal (XII) nerve inspiratory output was characterized. Noradrenergic agents were locally applied over the XII nucleus of rhythmically active medullary slice preparations isolated f
Publikováno v:
Respiration Physiology. 110:125-137
Copyright (c) 1997 Elsevier Science B.V. All rights reserved. Proper function of hypoglossal motoneurons (XII MNs) innervating tongue muscles is critical for respiratory control of the airway. Morphological and electrophysiological properties of XII
Autor:
Gregory D. Funk, Marjorie A. Parkis
Publikováno v:
Respiratory physiologyneurobiology. 131(1-2)
Inspiratory activities, whether recorded from medullary neurons, motoneurons or motor nerves, feature prominent oscillations in high (50-120 Hz) and medium (15-50 Hz) frequency ranges. These oscillations have been extensively characterized and are co
Publikováno v:
Journal of applied physiology (Bethesda, Md. : 1985). 92(5)
On the basis of the high level of P2X receptor expression found in phrenic motoneurons (MN) in rats (Kanjhan et al., J Comp Neurol407: 11–32, 1999) and potentiation of hypoglossal MN inspiratory activity by ATP (Funk et al., J Neurosci 17: 6325–6
Publikováno v:
The Journal of neuroscience : the official journal of the Society for Neuroscience. 19(6)
The movements that define behavior are controlled by motoneuron output, which depends on the excitability of motoneurons and the synaptic inputs they receive. Modulation of motoneuron excitability takes place over many time scales. To determine wheth
Publikováno v:
Respiratory Research. 2:P6
Adenosine triphosphate (ATP) gates a diverse family of P2 (P2X1-7 and P2Y1-11) receptors that are expressed throughout the CNS, including respiratory regions of the brainstem [1]. Activation of ATP receptors potentiates activity of inspiratory motone
Publikováno v:
Neuron. (1):105-117
Pacemaker neurons have been described in most neural networks. However, whether such neurons are essential for generating an activity pattern in a given preparation remains mostly unknown. Here, we show that in the mammalian respiratory network two t
Publikováno v:
ResearcherID
Synchrony and oscillations in neuronal firing play important roles in information processing in the mammalian brain. Here, we evaluate their role in controlling neuronal output in a well defined motor behavior, breathing, using anin vitropreparation
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