Ways of Studying the Brain (AQA A-Level Psychology): Flashcards
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fMRI measures
fMRI measures
Brain activity via blood flow & oxygenation changes
fMRI spatial resolution
fMRI spatial resolution
Excellent - detects down to millimetre level
fMRI temporal resolution
fMRI temporal resolution
Poor - 5-second delay between firing & screen display
EEG records
EEG records
Electrical impulses from brain via scalp electrodes
EEG temporal resolution
EEG temporal resolution
Excellent - within a millisecond
EEG spatial resolution
EEG spatial resolution
Poor - can't pinpoint exact source of neural activity
ERPs definition
ERPs definition
Statistical technique extracting specific responses from EEG
ERPs advantage over raw EEG
ERPs advantage over raw EEG
Greater specificity in measuring neural processes
Post-mortem examination involves
Post-mortem examination involves
Analysing brain tissue after death
Researchers who used post-mortems for language study
Researchers who used post-mortems for language study
Paul Broca and Karl Wernicke