PSYA01H3 Lecture 8: PSYA01 Lecture 8
Document Summary
2 nervous systems: central nervous system (deep decisions are made, made), Peripheral nervous system (transmit to rest of body) Brain can feel sensation takes input from body and everything it feels and acts as intermediary between body and brain. Parasympathetic mode is when the body is relaxing body is worried about long term survival for example, digestion. It is doing housekeeping, and keeping the body healthy if prof. randomly pulls out gun and starts shooting it. Very closely linked to feeding, fighting etc. Sympathetic is getting body ready to fight or escape. In fight or flight response, get adrenaline and lots of blood and oxygen going to muscles. Muscles are strong stress is sympathetic nervous system dominating. Results in parasympathetic system not being able to take place. (cid:272)a(cid:374)(cid:374)ot fight or flee (cid:449)he(cid:374) (cid:455)ou ha(cid:448)e a (cid:271)oss that does(cid:374)"t like (cid:455)ou. Prolonged stress leads to diminishing health if accidentally touch hot iron, sensory neurons sense extreme heat, send to spinal cord.
