Ways of Studying the Brain (OCR A-Level Psychology): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
What does fMRI detect?
What does fMRI detect?
Changes in blood oxygen levels across brain regions
fMRI spatial resolution
fMRI spatial resolution
High (1-2mm)
fMRI invasiveness
fMRI invasiveness
Non-invasive
fMRI temporal resolution
fMRI temporal resolution
Poor (1-4 seconds)
What is EEG?
What is EEG?
Measures electrical activity via scalp electrodes
EEG uses
EEG uses
Detect epilepsy and Alzheimer's
EEG temporal resolution
EEG temporal resolution
Good (every millisecond)
EEG invasiveness
EEG invasiveness
Non-invasive
EEG spatial resolution
EEG spatial resolution
Poor
What is ERP?
What is ERP?
Electrical signals from stimulus, averaged over trials
ERP invasiveness
ERP invasiveness
Non-invasive
ERP weakness
ERP weakness
Requires large number of trials, time-consuming
What is post-mortem examination?
What is post-mortem examination?
Brain examined in detail after death for abnormalities
Post-mortem detail advantage
Post-mortem detail advantage
Very high detail, microscopic level
Post-mortem cause-effect issue
Post-mortem cause-effect issue
Can't establish when abnormalities developed