Psy 111 1st Edition Lecture 12 Current Lecture Outline Parts of the brain where are they and what do they do Brain lateralization Genes dominant and recessive traits epigenetics Endocrine system glands hormones glands hormones behavior We will be starting the bottom of the brain and moving up Cerebellum gives our brain its plasticity responsible for most of the stuff we do Most impressive part of the brain Located in lower back of brain W o the cerebellum we would not be able to function Executes smooth skilled body movements of the body Regulates muscle tone and posture By connecting w autonomic and somatic nervous system Plays a role in retaining memories of motor activities ex riding a bike Evidence that it is involved in cognitive and social functions facial expression posture as well as motor functions Limbic System These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute The emotional center of the brain Involved in memory and motivation It includes Thalamus relay station of the brain relays info ex locating sound where s that noise coming from Hypothalamus pleasure center of the brain This part of the brain that fires up when you experience pleasure or motivation Hippocampus memory storage only part that regenerates Amygdala responds to emotional stimuli particularly sensitive to negative emotional stimuli and plays a part in your fight or flight response Adolescents are not good at recognizing negative facial expressions Adolescents rely on the amygdala b c or hormones and this is adolescents are good at reacting whereas adults rely on the frontal cortex this is because adults are good at critical thinking Amygdala is reactive rather than rational
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