Section 3: Motor Systems

Table of Contents

• 1. Motor Units and Muscle Receptors, James Knierim, Ph.D.
  • Part 1 What is Motor Control?, Some Necessary Components of Proper Motor Control, Motor Control Requires Sensory Input, Functional Segregation and Hierarchical Organization
  • Part 2 The Spinal Cord: The First Hierarchical Level, Motor Neurons
  • Part 3 Muscle Receptors and Proprioception, Types of Muscle Spindle Fibers, Sensory Innervation of Muscle Spindles, Gamma Motor Neurons
  • Part 4 Golgi Tendon Organ, Test Your Knowledge
• 2. Spinal Reflexes and Descending Motor Pathways, James Knierim, Ph.D.
  • Part 1 Spinal Reflexes
  • Part 2 Spinal Reflexes (continued)
  • Part 3 Descending Motor Pathways
  • Part 4 Descending Motor Pathways (continued)
  • Part 5 Influences of Descending Pathways on Special Circuits, Test Your Knowledge
• 3. Motor Cortex, James Knierim, Ph.D
  • Part 1 Introduction, Motor Cortex Comprises the Primary Motor Cortex, Premotor Cortex, and Supplementary Motor Area
  • Part 2 Cortical afferents and efferents, Motor Cortex Cytoarchitecture
  • Part 3 Encoding of Movement by Motor Cortex
  • Part 4 Encoding of Movement by Motor Cortex (continued)
  • Part 5 Encoding of Movement by Motor Cortex (continued)
• 4. Basal Ganglia, James Knierim, Ph.D.
  • Part 1 Introduction, Gross Anatomy of the Basal Ganglia, Basal Ganglia Afferents, Basal Ganglia Efferents
  • Part 2 Basal Ganglia Intrinsic Connections,
  • Part 3 Functions of the Basal Ganglia
  • Part 4 Disorders of the Basal Ganglia, Test Your Knowledge
• 5. Cerebellum, James Knierim, Ph.D.
  • Part 1 Overview: Functions of the Cerebellum, Cerebellar Gross Anatomy
  • Part 2 Functional Subdivisions of the Cerebellum, Histology and Connectivity of Cerebellar Cortex, Damage to Cerebellum Produces Movement Disorders
  • Part 3 Cerebellum and Control Systems
  • Part 4 Cerebellum and Control Systems (continued), Test Your Knowledge
    
• 6. Disorders of the Motor System, James Knierim, Ph.D.
  • Part 1 Lower Motor Neuron Syndrome, Upper Motor Neuron Syndrome
  • Part 2 Disorders of the Basal Ganglia,
  • Part 3 Disorders of the Cerebellum, Test Your Knowledge
• 7. Ocular Motor System, Valentin Dragoi, Ph.D.
  • Part 1 Introduction, Ocular Reflex Responses
  • Part 2 Ocular Reflex Responses (continued)
  • Part 3 Clinical Examples: Example 1, Example 2
  • Part 4 Clinical Examples: Example 3, Example 4, Example 5
  • Part 5 Clinical Examples: Example 6, Summary, Test Your Knowledge
• 8. Ocular Motor Control, Valentin Dragoi, Ph.D.
  • Part 1 Introduction, Extraocular Muscles and their Innervation, Gaze Stabilization: Eye Movements that Counter-Act Head Movement
  • Part 2 Gaze Shifting: Eye Movements to Focus the Image on the Fovea
  • Part 3 Clinical Signs of Damage to Ocular Motor Systems (continued): Example 1, Example 2, Example 3
  • Part 4 Clinical Signs of Damage to Ocular Motor Systems (continued): Example 4, Summary, Test Your Knowledge
  • Part 5 Apprendix to Ocular Motor Systems and Control: Example A1, Example A2