Neurobiology of Vertebrate Locomotion: Proceedings of an International Symposium held at The Wenner-Gren Center, Stockholm, June 17th – 19th, 1985

Front Matter....Pages i-xvii
Front Matter....Pages 1-1
Command Systems for Initiating Locomotion in Fish and Amphibians: Parallels to Initiation Systems in Mammals....Pages 3-20
Initiation of Locomotion from the Mammalian Brainstem....Pages 21-37
An Hypothesis on the Bulbospinal Locomotor Column....Pages 39-49
Reticular Formation Stimulation Evokes Walking and Flying in Birds....Pages 51-54
Interaction of Posture and Locomotion and Initiation of Locomotion in Decerebrate Cats and Freely Moving Intact Cats....Pages 55-71
Studies on the Medial Reticular Formation during Locomotion in Chronic Cats Using Microstimulation and Unit Recording....Pages 73-76
The Basal Ganglia and the Mesencephalic Locomotor Region....Pages 77-103
Dissolution of Motor Program Coordination in Parkinson’s Disease....Pages 105-119
The Motor Cortex and Locomotion in the Cat....Pages 121-137
Front Matter....Pages 139-139
Mechanical and Neural Patterns Underlying Swimming by Lateral Undulations: Review of Studies on Fish, Amphibia and Lamprey....Pages 141-155
Vertical Undulations in the Atlantic Stingray and Comparisons with Other Models....Pages 157-171
Synaptic Influences Contributing to the Pattern of Limb Motoneuron Activity during Fictive Locomotion in the Cat....Pages 173-184
Hindlimb Locomotion of the Spinal Cat: Synergistic Patterns, Limb Dynamics and Novel Blends....Pages 185-199
The Forms of a Task and Their Blends....Pages 201-216
A Model for the Aiming Phase of the Wiping Reflex....Pages 217-227
Front Matter....Pages 229-229
Understanding Central Pattern Generators: Insights Gained from the Study of Invertebrate Systems....Pages 231-244
Strategies to Identify Interneurons Involved in Locomotor Pattern Generation in the Mammalian Spinal Cord....Pages 245-267
The Effect of L-DOPA on the Spinal Cord — Relation to Locomotion and the Half Center Hypothesis....Pages 269-277
Spinal Interneurones and Swimming in Frog Embryos....Pages 279-306
Phasic Control of Vertebrate Motoneurones During Rhythmic Motor Acts, with Special Reference to Fictive Locomotion in the Lamprey....Pages 307-319
Front Matter....Pages 229-229
Premotor Interneurons in the Lamprey Spinal Cord: Morphology, Synaptic Interactions and Activities during Fictive Swimming....Pages 321-333
On the Spinal Network Generating Locomotion in the Lamprey: Transmitters, Membrane Properties and Circuitry....Pages 335-352
The Contributions of Multisegmental Interneurons to the Longitudinal Coordination of Fictive Swimming in the Lamprey....Pages 353-370
The Intersegmental Coordinating System of the Lamprey: Experimental and Theoretical Studies....Pages 371-382
Modelling CPGs: A Robust Approach....Pages 383-385
Front Matter....Pages 387-387
Ontogeny of Neuromuscular Specificity....Pages 389-413
Experimental Analysis of Motor Development in the Chick Embryo....Pages 415-431
Ontogeny of Chicken Motor Behaviours: Evidence for Multi-Use Limb Pattern Generating Circuitry....Pages 433-453
Segmental and Suprasegmental Contributions to Development and Recovery of Motor Function in Kittens....Pages 455-484
A Developmental Model of Human Locomotion....Pages 485-501
Front Matter....Pages 503-503
Interaction between Sensory Signals and the Central Networks Controlling Locomotion in Lamprey, Dogfish and Cat....Pages 505-512
Central-Peripheral Interactions Influencing the Locomotor Rhythm....Pages 513-515
Phasic Modulation of Reflexes during Rhythmic Activity....Pages 517-534
Dorsal Root Potentials and Antidromic Discharges of Primary Afferents during Fictive Locomotion in the Cat....Pages 535-538
Locomotion of Forelimbs in Thalamic Cats: Joint Afferents and Supraspinal Contributions....Pages 539-542
Patterns of Coordination Underlying Walking in Crustacea....Pages 543-546
Kinematic Factors in the Generation and Role of Sensory Feedback During Locomotion....Pages 547-561
The Roles of Muscle Spindles and the Fusimotor System in the Control of Locomotion....Pages 563-576
Static and Dynamic Fusimotor Controls during Locomotion in the Cat....Pages 577-592
Fusimotor Activity in Freely Moving Cats. Tests of Concepts Derived from Reduced Preparations....Pages 593-605
Front Matter....Pages 607-607
Adaptation in Trunk and Leg Movements and Motor Patterns to Speed, Mode and Direction of Progression in Man....Pages 609-622
The Initiation of Locomotion in Man....Pages 623-635
Organization of Human Postural Movements during Standing and Walking....Pages 637-648
Different Types of Gait Control in Patients with Spastic Paresis....Pages 649-660
Short and Long Latency Proprioceptive Reflexes during the Standing and Stepping of Normal and Hemiparetic Human Subjects....Pages 661-671
Absence of Reciprocal Inhibition in Control of Walking in Man....Pages 673-674
Front Matter....Pages 675-675
Role of the Cerebellum in the Control of Rhythmic Movements....Pages 677-689
Role of Selected Lobules of the Cerebellum in the Control of Locomotion....Pages 691-704
Activity Patterns of Spinocerebellar Neurons during Normal Locomotion....Pages 705-723
Back Matter....Pages 725-735