Peripheral and Spinal Mechanisms in the Neural Control of Movement / Edition 1

Peripheral and Spinal Mechanisms in the Neural Control of Movement / Edition 1

by M.D. Binder
     
 

ISBN-10: 0444502882

ISBN-13: 9780444502889

Pub. Date: 12/31/1999

Publisher: Elsevier Science

In the last decade, we have witnessed a striking maturation of our understanding of how neurons in the spinal cord control muscular activity and movement. Paradoxically, a host of new findings have revealed an unexpected versatility in the behavior of these well-studied neural elements and circuits. In this volume, the world's leading experts review the current

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Overview

In the last decade, we have witnessed a striking maturation of our understanding of how neurons in the spinal cord control muscular activity and movement. Paradoxically, a host of new findings have revealed an unexpected versatility in the behavior of these well-studied neural elements and circuits. In this volume, the world's leading experts review the current state of our knowledge of motor control, outline their latest results and developments, and delineate the seminal unresolved questions in this vibrant field of research. The volume begins with a commentary and overview of our current understanding of the peripheral and spinal basis of motor control. The remainder of the volume is divided into seven sections, each focused on a different problem. The first chapter in each section provides some historical review and presages the experimental findings and hypotheses that are discussed in subsequent chapters.
Topics include the biomechanics of neuromuscular systems, the properties of motoneurons and the muscle units they control, spinal interneurons, pattern generating circuits, locomotion, descending control of spinal circuits, comparative physiology of motor systems, and motor systems neurophysiology studied in man. The book serves as a unique reference volume and should be essential reading for anyone interested in motor systems. Moreover, the volume's comprehensive coverage of a wide range of topics make it an effective textbook for graduate level courses in motor control neurobiology, kinesiology, physical therapy, and rehabilitation medicine.

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Product Details

ISBN-13:
9780444502889
Publisher:
Elsevier Science
Publication date:
12/31/1999
Series:
Progress in Brain Research Series, #123
Edition description:
1st Edition
Pages:
482

Table of Contents

List of contributors
Preface
IPerspectives
1The segmental motor system - advances, issues, and possibilities3
IIMechanisms underlying repetitive firing in motoneurons
2Repetitive impulse firing in motoneurons: facts and perspectives31
3Plateau potentials and their role in regulating motoneuronal firing39
4Synaptic integration in bistable motoneurons49
5Adapting motoneurons for motor behavior57
IIIInput-output functions of motoneurons
6Assessing the strengths of motoneuron inputs: different anatomical and physiological approaches compared67
7Models of spike encoding and their use in the interpretation of motor unit recordings in man83
8Non-linear summation of synaptic currents on spinal motoneurons: lessons from simulations of the behaviour of anatomically realistic models99
9Selectivity of presynaptic inhibition: a mechanism for independent control of information flow through individual collaterals in single muscle spindle afferents109
IVProperties and central actions of muscle receptors
10Why are there three types of intrafusal muscle fibers?121
11Quantifying proprioception133
12Movement detection thresholds at the human elbow joint143
13A positive feedback circuit involving muscle spindle secondaries and gamma motoneurons in the cat149
14Neurotrophin-3 and maintenance of muscle afferent function157
VMotor unit properties and recruitment
15Revisiting the notion of 'motor unit types'167
16Orderly recruitment tested across muscle boundaries177
17Limited plasticity of adult motor units conserves recruitment order and rate coding191
18Motor cortical control of human masticatory muscles203
19Do lengthening contractions represent a case of reversal in recruitment order?215
20Motor units of extraocular muscles: recent findings221
21Neuromuscular strategies underlying ballistic movements233
VIComparative physiology of pattern generators
22General principles of rhythmic motor pattern generation derived from invertebrate CPGs247
23Central pattern generators and interphyletic awareness259
24A brain region in insects that supervises walking273
25Behavior of hindbrain neurons during the transition from rest to evoked locomotion in a newt285
VIISpinal interneurons and pattern generation
26On the cellular bases of vertebrate locomotion297
27The roles of spinal interneurons of motoneurons in the lamprey locomotor network311
28Primate spinal interneurons: muscle fields and response properties during voluntary movement323
29Correlations between neurograms and locomotor drive potentials in motoneurons during fictive locomotion: implications for the organization of locomotor commands331
30Failure analysis of stepping in adult spinal cats341
31Locomotor performance and adaptation after partial or complete spinal cord lesions in the cat349
VIIIMechanical properties of neuromuscular systems
32The role of musculoskeletal mechanics in motor coordination369
33Kinematic redundancy379
34Task- and age-dependent variations in steadiness389
35Mechanical actions of compartments of the cat hamstring muscle, biceps femoris397
36What might the brain know about muscles, limbs and spinal circuits?405
37Animal models of motor systems: cautionary tales from studies of head movement411
IXControl of movement studied in man
38The sharing principle419
39Properties of human peripheral nerves: implications for studies of human motor control427
40Rhythmic cortical activity and its relation to the neurogenic components of normal and pathological tremors437
41Stopping and turning during human walking445
42Disturbances of voluntary movement coordination in stroke: problems of planning or execution?455
43Group II spindle afferent fibers in humans: their possible role in the reflex control of stance461
44Indices of cortical motor function following severe brain injury in man473
Subject index481

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