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🧠 Neuroscience
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Systems Neuroscience
Visual System — retina → LGN → V1 → V2-V5
Auditory System
Motor System — M1, Premotor, BG, Cerebellum Coordination
Reward System — VTA / NAcc / DA / RL Neural Basis
Hippocampus and Memory Systems
Sleep / Wake System
Somatosensory System
Olfactory System
Vestibular System
Pain System
Gustatory System
Autonomic Nervous System
Interoception
Hypothalamus & Homeostasis
Circadian System
Spinal Cord Systems
Limbic System
Arousal & Neuromodulatory Systems
Cerebellar Learning System
Thalamocortical System
Table of Contents
1. Five Submodalities
2. Skin Receptors
3. Pathway — Discriminative Touch (DCML)
4. Pathway — Pain (Spinothalamic)
5. S1 Cortex
6. Penfield Homunculus
7. Receptor Fibers — Touch + Pain
8. Gate Control Theory (Melzack & Wall 1965)
9. PyTorch — Somatosensory Skin Sim
10. Pathology
11. Robotic / AI Connection
12. Common Pitfalls
12.1 Pain = Nociception
12.2 Homunculus Static
12.3 C Fiber = Pain Only
12.4 Gate Control Oversimplified
12.5 Tactile = Touch Only
13. Related Concepts
References