studying the brain

Question 1

what are Fmri

Answer 1

3D scans providing structural and functional information
show changes in brain activity

Question 2

what are EEGs

Answer 2

shows overall electrical activity of the brain picks up neurons firing
multiple electrodes are placed on scalp
produces wave patterns

Question 3

what are ERPs

Answer 3

look at changes in EEGs patterns in response to stimulus
gets rid of extraneous activity

Question 4

what is a post mortem exam

Answer 4

involves dissecting brain once someone dies
look at internal structures

Question 5

evaluation of post mortem

Answer 5

person needs to die to be able to observe
invasive method
don’t give us info in response to stimulus

Question 6

evaluation of ERPs

Answer 6

shows differences for people with psychiatric disorders
gets rid of extraneous activity so more accurate

Question 7

evaluation of EEGs

Answer 7

non invasive and cheap
good temporal resolution
poor spatial resolution

Question 8

evaluation of fmri

Answer 8

noninvasive method
machines are expensive to run
poor temporal validity as time lag