Neural Coding of Motor Performance

Abstract

Introductory Lecture: The Functional Labelling of Neural Codes.- Neural Systems in the Context of Coding.- Neuronal Activities in Primary Area and Premotor Regions.- Cortico-Basal Ganglia Relations and Coding of Performance.- Cortico-Cerebellar Loops.- Presynaptic Controls in the Neostriatum: Reciprocal Interactions Between the Nigro-Striatal Dopaminergic Neurons and the Cortico-Striatal Glutamatergic Pathway.- From Immobility to Motion.- Patterns of Activities in the Ventrobasal Thalamus and Somatic Cortex SI During Behavioral Immobility in the Awake Cat: Focal Waking Rhythms.- Premovement Cortical Potentials Associated With Self-Paced and Reaction Time Movements.- The Initiation of Movements.- Involvement of Monkey Premotor Cortex in the Preparation of Arm Movements.- Anticipatory Neuronal Activity in the Monkey Precentral Cortex During Reaction Time Foreperiod: Preliminary Results.- Facilitation of the H-Reflex in a Simple and Choice Reaction Time Situation.- Changes in Mechanical Impedance and Gain of the Myotatic Response During Transitions Between Two Tasks.- A Comparison of Neuronal Discharge Recorded in the Sensori-Motor Cortex, Parietal Cortex and Dentate Nucleus of the Monkey During Arm Movements Triggered by Light, Sound or Somesthetic Stimuli.- Different Neuronal Populations Within Area 5 of the Monkey.- Effects of Lesion of Posterior Parietal Area 7 on Visually Guided Movements in Monkeys.- The Encoding of Acts by the Substantia Nigra.- Neuronal Activity in Area 4 and Movement Parameters Recorded in Trained Monkeys After Unilateral Lesion of the Substantia Nigra.- Activity of Neurones in the Motor Thalamus and Globus Pallidus During the Control of Isometric Finger Force in the Monkey.- Are Coding Schemes Actually Used? The Cooling Test Demonstration.- Structural Coding: Prewired Addressing.- Neocerebellar Synergies.- Function of Intermediate Cerebellum in Control.- Cortical Addresses of Distal Muscles: A Study in the Conscious Monkey Using the Spike-Triggered Averaging Technique.- Comparison of Movement-Related Activity and Receptive Field Properties of Neurons in Primate Cortex.- Area 4 Cell Activity During Learning of a New Amplitude of Movement.- Intervertebrate Command During Walking: A Model for the Study of Neuronal Coding.- Coding of Performance.- Muscle Spindle Contribution to the Coding of Activities in Man.- After-Effects of Fusimotor Activity: Long-Lasting Enhancement of the Dynamic Sensitivity of IA Muscle Spindle Afferents Following Stimulation of Dynamic or Static Gamma-Axons.- A Technique for Reversible Fusimotor Blockade During Chronic Recording from Spindle Afferents in Walking Cats.- Neural Control Drives a Muscle Spring: A Persisting yet Limited Theory.- Functional Organization of Claw Protrusion in the Cat.- Discharge Patterns of Cerebellar Cortical Neurons During the Co-Activation and Reciprocal Inhibition of Forearm Muscles.- Activity of Feline Cortical Units to Cutaneous Stimuli During Locomotion and Lifting, Falling and Landing.- Neural Coding of Force and of Rate of Force Change in the Precentral Finger Region of the Monkey.- Spatial Coding of Movement: A Hypothesis Concerning the Coding of Movement Direction by Cortical Populations.- Resume.- Author Index.