PSY 340 Lecture Notes - Lecture 4: Decision-Making, Conscientiousness, Agreeableness
Document Summary
But how to get into the brain: phrenology franz joseph gall, modern technology. Ways to study brain function: brain injury. Hippocampus=making new memories bad but long term memories are good. Messages combine in cell body that holds the nucleus. Travels down the axon covered by myelin sheaths. O(cid:374) its o(cid:449)(cid:374) does (cid:374)othi(cid:374)g it"s a(cid:271)out (cid:272)o(cid:374)(cid:374)e(cid:272)tio(cid:374)s: glial. Neurotransmitters & hormones: nervous system functions partially based on the number, availability, and responsivity of target cells to chemical messengers. Many functions based on: target cell, other nts/hormones, amount, many other factors, complex. Neurotransmitters are chemical messengers in cns: communicate between neurons and glial cells, usually faster, more localized efforts, produced in cns by cells. Hormones are chemical messengers outside of cns: transmitted throughout bloodstream, usually slower, more widespread effects, produced in cells throughout the body. Dopamine: (cid:862)tur(cid:374)s (cid:373)oti(cid:448)atio(cid:374) i(cid:374)to a(cid:272)tio(cid:374)(cid:863, affe(cid:272)ts (cid:373)e(cid:272)ha(cid:374)is(cid:373)s of (cid:271)ody (cid:373)o(cid:448)e(cid:373)e(cid:374)t (parki(cid:374)so(cid:374)"s severe lack of dopamine, reward and attraction (addiction processing of dopamine, personality traits.
