List of contributors

Preface

I. Perspectives

The segmental motor system-advances, issues, and possibilities

D.G. Stuart

II. Mechanisms underlying repetitive firing in motoneurons

Repetitive impulse firing in motoneurons: facts and perspectives

D. Kernell

Plateau potentials and their role in regulating motoneuronal firing

H. Hultborn

Synaptic integration in bistable motoneurons

C.J. Heckman

R.H. Lee

Adapting motoneurons for motor behavior

R. Delgado-Lezama

J. Hounsgaard

III. Input-output functions of motoneurons

Assessing the strengths of motoneuron inputs: different anatomical and physiological approaches compared

P.A. Kirkwood

T.W. Ford

R. Donga

S.A. Saywell

G. Holstege

Models of spike encoding and their use in the interpretation of motor unit recordings in man

R.K. Powers

M.D. Binder

Non-linear summation of synaptic currents on spinal motoneurons: lessons from simulations of the behaviour of anatomically realistic models

P.K Rose

S. Cushing

Selectivity of presynaptic inhibition: a mechanism for independent control of information flow through individual collaterals of single muscle spindle afferents

P. Rudomin

IV. Properties and central actions of muscle receptors

Why are there three types of intrafusal muscle fibers?

A. Taylor

P.H. Ellaway

R. Durbaba

Quantifying proprioception

A. Prochazka

Movement detection thresholds at the human elbow joint

U. Proske

A.K. Wise

J.E. Gregory

A positive feedback circuit involving muscle spindle secondaries and gamma motoneurons in the cat

E. Jankowska

M.H. Gladden

Neurotrophin--3 and maintenance of muscle afferent function

J.B. Munson

R.D. Johnson

L.M. Mendell

V. Motor unit properties and recruitment

Revisiting the notion of `motor unit types'

R.E. Burke

Orderly recruitment tested across muscle boundaries

T.C. Cope

A.J. Sokoloff

Limited plasticity of adult motor units conserves recruitment order and rate coding

T. Gordon

N. Tyreman

V.F. Rafuse

J.B. Munson

Motor cortical control of human masticatory muscles

M.A. Nordstrom

T.S. Miles

B.R. Gooden

S.L. Butler

M.C. Ridding

P.D. Thompson

Do lengthening contractions represent a case of reversal in recruitment order?

P. Bawa

K.E. Jones

Motor units of extraocular muscles: recent findings

S.J. Goldberg

M.S. Shall

Neuromuscular strategies underlying ballistic movements

R.J. Callister

E.H. Peterson

A.M. Brichta

VI. Comparative physiology of pattern generators

General principles of rhythmic motor pattern generation derived from invertebrate CPGs

A. Selverston

Central pattern generators and interphyletic awareness

P.S.G. Stein

A brain region in insects that supervises walking

N.J. Strausfeld

Behavior of hindbrain neurons during the transition from rest to evoked locomotion in a newt

I. Bar-Gad

I. Kagan

M.L. Shik

VII. Spinal interneurons and pattern generation

On the cellular bases of vertebrate locomotion

S. Grillner

P. Wallen

The roles of spinal interneurons and motoneurons in the lamprey locomotor network

J.T. Buchanan

Primate spinal interneurons: muscle fields and response properties during voluntary movement

E.E. Fetz

S.I. Perlmutter

Y. Prut

M.A. Maier

Correlations between neurograms and locomotor drive potentials in motoneurons during fictive locomotion: implications for the organization of locomotor commands

T.M. Hamm

T.V. Trank

V.V. Turkin

Failure analysis of stepping in adult spinal cats

R.D. de Leon

N.J.S. London

R.R. Roy

V.R. Edgerton

Locomotor performance and adaptation after partial or complete spinal cord lesions in the cat

S. Rossignol

T. Drew

E. Brustein

W. Jiang

VIII. Mechanical properties of neuromuscular systems

The role of musculoskeletal mechanics in motor coordination

T.R. Nichols

D.C. Lin

C.M.J.I Huygheus-Despointes

Kinematic redundancy

Z. Hasan

J.S. Thomas

Task-and age-dependent variations in steadiness

R.M. Enoka

R.A. Burnett

A.E. Graves

K.W. Kornatz

D.H. Laidlaw

Mechanical actions of compartments of the cat hamstring muscle, biceps femoris

D.I. Carrasco

A.W. English

What might the brain know about muscles, limbs and spinal circuits?

G.E. Loeb

Animal models of motor systems: cautionary tales from studies of head movement

F.J.R. Richmond

B.D. Corneil

K. Singh

IX. Control of movement studied in man

The sharing principle

J.A. Stephens

L.M. Harrison

M.J. Mayston

L.J. Carr

J. Gibbs

Properties of human peripheral nerves: implications for studies of human motor control

D. Burke

S.C. Gandevia

Rhythmic cortical activity and its relation to the neurogenic components of normal and pathological tremors

B.A. Conway

D.M. Halliday

J.R. Rosenberg

Stopping and turning during human walking

R.B. Stein

K. Hase

Disturbances of voluntary movement coordination in stroke: problems of planning or execution?

R. Beer

J. Dewald

Z. Rymer

Group II spindle afferent fibers in humans: their possible role in the reflex control of stance

M. Schieppati

A. Nardone

Indices of cortical motor function following severe brain injury in man

P.H. Ellaway

S.H. Moosavi

M.J. Stokes

M. Catley

N. Haque

Subject Index