What is somatosensation?

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Our body (somato) sensations allow us to make sense of and interact with the world around us. It includes our touch sensation, such as light touch (on the surface of the skin), firm pressure and texture discrimination; proprioception, involving sensing the location and movement of body parts; temperature sensation; and pain (nociception). It also allows us to recognize objects by their touch and texture (haptic object recognition).

Sensation is important for perception (sensing the world around us, protect us from injury) and for action (using our limbs to move around, use tools and perform dexterous movements).