PSYC 3410 Lecture Notes - Lecture 5: Epigenetic Clock, Vagus Nerve, Brainstem

• School: University of Guelph
• Department: Psychology
• Course: PSYC 3410
• Professor: Elena Choleris

Document Summary

N e u ro s c i e n c e i i. We eat to supply out body with energy to survive. Body fats: most of body energy stores, very eicient. Muscle proteins: less utilized as an energy store. Cephalic phase driven by the head, drives eating behaviour until digestion. Absorptive phase energy and nutrients are absorbed by the gastrointestinal system. I n s u l i n cephalic and absorptive phases. Energy conversions (to forms that can be stored: lipids fats, glucose glycogen, amino acids proteins. G lu c ag o n fasting phase. Hormone that has an efect like insulin promotes the conversions. Glycogen and protein glucose (in the brain) Adipose tissue free fatty acids (body"s main fuel during fasting phase) Fatty acids ketones (used by muscles and brain) Regulation of eating & regulation of body weight.