Types of brain scanning

Question 1

EEG

Answer 1

electrodes on skull measring brain waves as electric signals

Question 1

MRI

Answer 1

ligaments, tissues, and tendons, using magnetic fields and radio waves and emitted radiation from hydrogen atoms as a result to see much higher res image

Question 2

fMRI

Answer 2

• MRI JUST For the brain
• stimulation/blood flow in brain when subject looks at faces
• brain FUNCTIONNNNNNN, not necessarily anatomy

Question 3

PET

Answer 3

injected with radioactive tracer, stuff internally that other scanners cant see like lymphnode disease, last resort before biopsy, shows brain consumption of sugar glucose when person is doing tasks, looking at faces, daydreaming, etc.

Question 4

CAT/CT scan

Answer 4

a bunch of x-rays at different angles to put together a whole image, low-res MAJOR STRUCTURE PROBLEMS but every hospital has x-rays and not much skill required, also fast results