Multiple Mechanisms for Integrating Proprioceptive Inputs That Converge on the Same Motor Pattern-Generating Network
نویسندگان
چکیده
منابع مشابه
Multiple mechanisms for integrating proprioceptive inputs that converge on the same motor pattern-generating network.
Movement-derived sensory feedback adapts centrally generated motor programs to changing behavioral demands. Motor circuit output may also be shaped by distinct proprioceptive systems with different central actions, although little is known about the integrative processes by which such convergent sensorimotor regulation occurs. Here, we explore the combined actions of two previously identified p...
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The stomatogastric ganglion of the crab, Cancer borealis, is modulated by >20 different substances, including numerous neuropeptides. One of these peptides, proctolin, activates an inward current that shows strong outward rectification (Golowasch and Marder, 1992). Decreasing the extracellular Ca(2+) concentration linearizes the current-voltage curve of the proctolin-induced current. We used vo...
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15 صفحه اولActivation of a lobster motor rhythm-generating network by disinhibition of permissive modulatory inputs.
Rhythm generation by the gastric motor network in the stomatogastric ganglion (STG) of the lobster Homarus gammarus is controlled by modulatory projection neurons from rostral commissural ganglia (CoGs); blocking action potential conduction in these inputs to the STG of a stomatogastric nervous system in vitro rapidly renders the gastric network silent. However, exposure of the CoGs to low Ca2+...
متن کاملRAPID COMMUNICATION Activation of a Lobster Motor Rhythm-Generating Network by Disinhibition of Permissive Modulatory Inputs
Faumont, Serge, John Simmers, and Pierre Meyrand. Activalocated in the CoGs and that activate the gastric network tion of a lobster motor rhythm-generating network by disinhibition are themselves under continuous inhibitory control. Release of permissive modulatory inputs. J. Neurophysiol. 80: 2776–2780, from this inhibition results in the initiation or reinforcement 1998. Rhythm generation by ...
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ژورنال
عنوان ژورنال: Journal of Neuroscience
سال: 2008
ISSN: 0270-6474,1529-2401
DOI: 10.1523/jneurosci.2095-08.2008