PSYB65H3 Chapter 5: Chapter Five
Document Summary
Somatosensory feedback: information that"s obtained from the sensory network that monitors the body"s surface and its movements; the system includes joints, muscles, tendons and skin. The somatosensory info that"s provided ensures that your brain makes accurate movements. Variety of different sensory receptors present in the skin. Grouped into three types of somatic information: nociception: sensations of pain and temperature, hapsis: sensations of fine touch and pressure, proprioception: awareness of the body and its position in space. Most of the sensory receptors in the skin are mechanoreceptors: mechanoreceptors: sensory receptors in the skin with many functions, including reacting to distortion and wrapping around the hairs that cover our bodies. However, in order to lose complete sensation in one dermatome, you must cut three dorsal roots: the one serving the dermatome and the ones above and below it. Two main sensory pathways in the brain.
