ways of studying the brain Flashcards
what is a fmri
measures blood flow in the brain when a person performs a task
strength of mri
good spacial resolution
non invasive
weakness of mri
poor temporal resolution
very expensive
what is eeg
measures electrical activity (action potentials) through electrodes attatched to the scalp
strength about eeg
cheaper than mri and portable
good temporal resolution
eeg weakness
bad spacial resolution
whats an erp
similar to eeg
record activity bases on a stimulus
erp strenth
isolate and study induvidual processes
good temporal resolution
erp limitation
poor spacial resolution
some processes cannot be replicated
what is a post mortum
research of brain after death
post mortum strenngth
high spacial resolution
post mortum weakness
cannot be done on a living brain so can only assume findings are the basis of behaviour