The Segmental Motor System

The Segmental Motor System

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This volume presents a broad range of knowledge about the organization of the segmental motor apparatus of mammals. Over the past 30 years, the mammalian segmental motor system has served as a template for research on neural trophism, synaptic function and connectivity, neuronal recognition, and neuronal modeling, and has provided the definitive neural aggregation, the motoneuron pool. In addition, a number of important experimental and analytical techniques, including intracellular recording, signal averaging, linear systems analysis, conditioning-testing spatial facilitation and occlusion, and excitability testing, have emerged from this body of research to become important components of the experimental armamentarium of biologists working throughout the nervous system. The book acknowledges the seminal contributions of Professor Elwood Henneman to this field and to neuroscience in general, and provides a systematic discussion of some of the fundamental contemporary issues in motor control. It addresses such questions as the intrinsic properties of motoneurons and muscle fibers; the phenomenon of orderly motor unit recruitment and its underlying mechanisms; the neural-mechanical correlations between motoneurons and the muscle units the innervate; and the analysis of synaptic inputs to motoneuron pools. In focusing on these issues, the volume not only provides comprehensive coverage of the functional organization of the motoneuron pool and its target issue, skeletal muscle, but also illuminates the extensive ramifications that research in this area has had on neurobiology.
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Product details

  • Hardback | 412 pages
  • 162.3 x 242.3 x 28.4mm | 960.45g
  • Oxford University Press Inc
  • New York, United States
  • English
  • figures, tables
  • 0195054849
  • 9780195054842

Table of contents

Douglas G. Stuart: Henneman's contributions in historical perspective; Section I: Properties and functional organization of segmental motor systems: Gerald E. Loeb: The functional organization of muscles, motor units, and tasks; Daniel Kernell: Spinal motoneurons and their muscle fibers: mechanisms and long-term consequences of common activation patterns; V. C. Abrahams, P. K. Rose, & F. J. R. Richmond: Properties and control of the neck musculature; Section II: The orderly recruitment of motor units: Blair Calancie, & Parveen Bawa: Motor unit recruitment in man; Felix E. Zajac: Coupling of recruitment order to the force produced by motor units: The "size principle hypothesis" revisited; Albert J. Berger: Orderly recruitment of phrenic motoneurons; Section III: Properties of motoneurons: Wilfrid Rall: Perspectives on neuron modeling; V. R. Edgerton, R. R. Roy, & G. R. Chalmers: Does the size principle give insight into the energy requirements of motoneurons?; Martin J. Pinter: The role of motoneuron membrane properties in the determination of recruitment order; C. J. Heckman, Marc D. Binder: Neural mechanisms underlying the orderly recruitment of motoneurons; Section IV: Properties of motor units and muscle fibers: R. E. Burke: Motor unit types: some history and unsettled issues; Stephen J. Goldberg: Mechanical properties of extraocular motor units; H. Peter Clamann: Changes that occur in motor units during activity; Patti M. Nemeth: Metabolic fiber types and influences on their transformations; Richard B. Stein, Tessa Gordon, & Joanne Totosy de Zepetnek: Mechanisms for respecifying muscle properties following reinnervation; Section V: Synaptic inputs to motoneurons: John B. Munson: Synaptic inputs to type-identified motor units; Lorne M. Mendell, William F. Collins, III, & H. Richard Koerber: How are Ia synapses distributed on spinal motoneurons to permit orderly recruitment?; Hans R. Luscher: Transmission failure and its relief in the spinal monosynaptic reflex arc; P. Rudomin: Presynaptic control of synaptic effectiveness of muscle spindle and tendon organ afferents in the mammalian spinal cord; E. E. Fetz, & P. D. Cheney: Functional properties of primate corticomotoneuronal cells: Comparisons with spindle afferents and motor units.
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About Marc D. Binder

Marc D. Binder is Professor of Physiology & Biophysics at the University of Washington School of Medicine in Seattle. Lorne M. Mendell is Professor & Chairman, Department of Neurobiology and Behavior, State University of New York at Stony Brook.
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