PSY290H1 Lecture Notes - Lecture 5: Brainstem, Reticular Formation, Aspirin
Document Summary
Deep tugging, gripping (slow adapting to make sure you know you"re still hanging on) Hair ending: sensitive to breezes and touch. There are receptors that are fast-adapting and only respond to a change, i. e. if someone sits on your lap, it would fire when they sit and when they get up. On the other hand, slow-adapting would fire the entire time that the person sits on you. Cervical (back of head, neck, shoulders, arms. Trigeminal v (two sensory branches, not 3 in the face) Thoracic (from first rib to 12th, th1-th12) Primary pathway for fast information because it carries all the myelinated axons. Runs along one side of the body but crosses to the opposite side of the brain where the sensory region for the half of the body is represented. The somatotopic map has a complete map of the opposite side of your body in the thalamus.
