fMRI

Cards (3)

  • what's fMRIs?
    • shows brain activity
    • using radiowaves
    • oxygenated blood flows to active region of brain -> looks lighter as oxygenated blood is more dense
  • advantages:
    • high resolution
    • can directly see brain activity
    • can see it over a period of time -> takes 4 images in 1 sec
    • brain activity in real time
  • disadvantages:
    • expensive
    • noisy + clostrophib
    • can't accomodate to people with metalic implants
    • difficult physical setup
    • moderate temporal resolution