Picturing the Brain (INTRO)

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Presentation transcript:

Picturing the Brain (INTRO) https://www.youtube.com/watch?v=qkYEfWazIfc (3:10)

Accidents (Phinneas Gage - understanding of what parts of the frontal cortex do due the changes in his personality and behavior after his accident)

Lesions (brain tissue is damaged / destroyed; not on humans = unethical; may be done on lab rats- kill certain part & see behavior)

https://www.youtube.com/watch?v=wHI_NtBP47M (1:14) EEG: measures brain wavelengths ; electrodes takes info from electrical impulses & analyzes these impulses; tell what is going on inside brain

https://www.youtube.com/watch?v=kmqTmjXPAVc (3:22) CT (or CAT) Scan: basically an xray of the brain - looks for damage - doesn't tell what part of brain is activated like other scans

https://www.youtube.com/watch?v=GHLBcCv4rqk (1:32) PET scan: looks at amount of glucose in brain; brain loves glucose (for energy) - when something in brain is activated it is using more glucose at that moment & tells which part is activated

https://www.youtube.com/watch?v=1CGzk-nV06g (1:20) MRI scan: makes atoms in brain line up and signal sent to disorient the atoms; when atoms go back to normal movement it tells which part of brain was being activated

https://www.youtube.com/watch?v=lLORKtkf2n8 (4:00) https://www.youtube.com/watch?v=lLORKtkf2n8 (4:00) fMRI scan: takes a quick photo in succession and looking for changes in blood flow of the brain; brain rushes to part of brain that is being activated so colour indicates part of brain being activated/used for a particular task

NEW VIEWS ON THE BRAIN Exercise, Stress, and the Brain https://www.youtube.com/watch?v=xpy_rAWSWkA (2:27) & Neuroplasticity https://www.youtube.com/watch?v=ELpfYCZa87g (2:03 ) https://www.youtube.com/watch?v=04Lick3RIwU (3:04) &article