PSL201Y1 Lecture : PHYS.docx

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14 Oct 2013
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Oct 8, 2013 forebrain is largest part of brain and subdivided into: right and left hemisphere. Cerebellum it has outer cortex and inner nuclei means "little brain" sits btw brain stem and cerebrum involved in motor coordination and balance that"s why people are uncoordinated during a stroke. Brain stem connects forebrain and cerebellum to spinal cord composed of midbrain, pons and medulla where cranial nerves emanate from. Frontal lobe fxs in controlling motor movements, controlling higher level fxs (judgment and foresight) Parietal lobe fxs in somatic sensation: feeling, touch higher fx of logical reasoning. Fx areas of cerebrum don"t need to remember every single fx fig 9. 14 just need to understand that certain areas of brain are responsible for certain things. 16yo brain is not completely myelienated in frontal lobe. Topographical organization to map brain, need subject that is awake and conscious you open their brain during brain surgery and then map regions of brain.

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