TOPICS: Dorsal column tract, spinothalamic tract, corticospinal tract, vibration, proprioception, fasciculus gracilis, fasciculus cuneatus, nucleus cuneatus, nucleus gracilis, decussation, medial lemniscus, ventral posterolateral nucleus (VPL) of the thalamus, primary somatosensory cortex, dorsal root ganglion, Romberg Test, ataxia, cerebellar ataxia, dorsal column ataxia, vestibular function, pain, temperature, anterior white commissure, posterior horn of gray matter, primary motor cortex, internal capsule, medullary pyramids, anterior horn of gray matter, anterior root, neuromuscular junction (NMJ), dorsal root, upper motor neuron (UMN), lower motor neuron (LMN), Babinski reflex, spastic paralysis, clasp-knife spasticity, atrophy, fasciculations, first neuron, second neuron, homunculus