PSYC 271 Lecture 3: PSYC271 Lecture 3

• School: Queen's University
• Department: Psychology
• Course: PSYC 271
• Professor: Amanda Maracle

Document Summary

Oct 8 : midterm - class time 2:30-4:00 come early! Anatomy of the nervous system stimulus causes signals to be sent to cns, and processes this info and tells what to do for pns. Peripheral nervous system somatic afferent nervous (sensory) approach. Ex: pedendal (peripheral) nerve being compressed in women fires randomly, overdrive and hieghtens sensitivity of clitorl dorsal nerve - always on the brink of orgasm. Makes something that efferent (motor) exits autonomicns operates without conscious input. gets info and controls body functions. Sympathetic, thoracic and lumbar (middle portions of spinal cord) second-stage neurons (synapse on directly) are far from the target system/organ fight or flight. Parasympathetic cranial and sacral (top and bottom) second-stage neurons are very near to target rest and restore. Route to the brain spinal cord : dermatone map = which part of skin is served by parts of spinal cords. Ie c6 = particular part of the spinal cord.