PSYB65H3 Lecture : Lecture 1-4 detailed notes

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Cerebellum: sensory-motor intergration, ability to balance stand up on 2 legs, manoeuvre forward, when damaged resemble drunk person in movements, constantly taking sensory input, stand erect. Medulla: basic life process (heart-rate, breathing), if tumour there: fatal. Reticular formation: involved in sleep-wakefulness cycles, if damaged: don"t wake up (coma) Thalamus: major relay centre particularly in humans and higher mammals because we have huge neocortex. Info from every sensory parts of the body goes to thalamus and is relayed to appropriate section of neocortex. Some processing of info occurs but most of it happens in the cortex. Almost everyone agrees that the amygdala, hippocampus, (hypothalamus partially involved), are involved is this system. Cerebral cortex: most anterior sector, curves back and looks like it is everything in the brain. Involves in things like speech, reasoning, info processing, planning. Evolution of our brain: ability to get info from environment important and affects survival.