PS262 Chapter Notes - Chapter 14: Secondary Somatosensory Cortex, Spinothalamic Tract, Lamellar Corpuscle

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6 Feb 2018
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Makes it difficult to interact with environment because of the loss of feedback from the skin that accompanies many actions. Autoimmune reaction destroyed most of neurons that transmitted signals from his skin, joints, tendons, and muscles to his brain. Lost ability to sense with the skin. Could(cid:374)"t se(cid:374)se the (cid:373)o(cid:448)e(cid:373)e(cid:374)t a(cid:374)d positio(cid:374)s of li(cid:373)(cid:271)s. Initial tingling sensation in limbs then became a total los of ability to feel touch below neck. Could(cid:374)"t feel (cid:271)od(cid:455) (cid:449)he(cid:374) l(cid:455)i(cid:374)g i(cid:374) (cid:271)ed frightening floating sensation. Problems caused by a breakdown of somatosensory system. Includes: cutaneous senses touch and pain, proprioception sense position of body and limbs, kinesthesis sense movement of body and limbs. M. comel ski(cid:374) = (cid:862)(cid:373)o(cid:374)u(cid:373)e(cid:374)tal fa ade of the hu(cid:373)a(cid:374) (cid:271)od(cid:455)(cid:863) Keeps bacteria, chemical agents, and dirt from penetrating our bodies. Provides us with info about the stimuli that contact it. Visible surface of skin (epidermis) includes layer of dead skin cells.

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