PSYC401 Study Guide - Quiz Guide: Sensory Cortex, Midbrain, Hypothalamus
Document Summary
Brain stem: regulates bodily functions for survival (bottom part of the brain) Three main structures: medulla- contributes homeostasis, stable consistent inner physical state like blood pressure, physiological activity, pons- biological functions. Keeps you still when you"re sleeping: midbrain- defensive reactions to threatening events. Also contains: cerebellum- motor movements (fine movements) looks like a tiny brain, reticular formation- influences body arousal. Three main structures: hypothalamus- motivation by your brain telling you that you like how the outcome felt therefore you continue to do it. And contributes to homeostasis: hippocampus- forms permanent memories and includes spatial memory: remembering geographic layout, amygdala- small like an almond forms emotional memories either physical or internal. Anxiety, stress, seeing a snake and remembering the fear you get. Cerebal cortex: can see this if you cut open a head. Contains thinking powers, contemplating ourselves, language, art, conceptual thinking.
