The somatosensory system is the part of the sensory system concerned with the conscious perception of touch, pressure, pain, temperature, position, movement and vibration which arise from the muscles, joints, skin and fascia. The somatosensory system relays sensations detected in the periphery (such as from Golgi tendon organs, Pacinian corpuscles, Ruffini endings etc.) and conveys them via pathways through the spinal cord, brainstem, and thalamic relay nuclei to the sensory cortex in the parietal lobe.
Broadly speaking sensory selection refers to the activation of either of the 5 traditional senses of sight/vision, hearing, taste, smell or touch while the Somatosensory system is also often referred to as extrasensory.
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