PSYC 1001 Lecture Notes - Lecture 10: Myelin, Unintended Consequences, Action Potential

• School: Carleton University
• Department: Psychology
• Course: PSYC 1001
• Professor: Chris Motz

Document Summary

*everything before slide (and including) slide 15 is nonconscious. Medulla: can control heart rate by decreasing (relaxing) and increasing (exercise) Midbrain: gets us ready for various kinds of responses. Hor(cid:373)o(cid:374)es: i(cid:373)pa(cid:272)ts (cid:271)od(cid:455)"s fu(cid:374)(cid:272)tio(cid:374)s tropic: influence the release of hormones from other glands. Peripheral nervous system: somatic: external environment of your body. Afferent: to the cns (cid:862)arri(cid:448)es at the (cid:272)e(cid:374)ter(cid:863) Efferent: from the cns (cid:862)e(cid:454)its to e(cid:448)er(cid:455)(cid:449)here(cid:863: autonomic: internal environment of your body. Effere(cid:374)t: fro(cid:373) the cn (cid:894)t(cid:449)o (cid:374)er(cid:448)es do(cid:374)"t operate at the sa(cid:373)e ti(cid:373)e(cid:895) i(cid:374)ter(cid:374)al thi(cid:374)gs are (cid:862)auto(cid:373)ati(cid:272)(cid:863) ie. digestion, increase heart rate: sympathetic nerves: get us ready to engage in an activity ie. fighting or fleeing. Prepares us to deal with stressors: parasympathetic nerves, s(cid:455)(cid:373)patheti(cid:272) & paras(cid:455)(cid:373)patheti(cid:272) do(cid:374)"t (cid:449)ork at the sa(cid:373)e ti(cid:373)e. Why might we study the brain? fmri video of blood flow in the brain. Active parts of the brain use up oxygen faster.