week 3 research methods Flashcards
1
Q
contrast xray
A
adaption of standard xray technique which enables visualisation of the brain
patient receiving xray is injected with radiopaque substance
2
Q
computed tomography
A
CT scan provides 3D view of brain
3
Q
MRI
A
greater spatial resolution than CT.
measures waves emitted by hydrogen atoms
provided 2d and 3d images
4
Q
FRMI
A
detects oxygen consumption of active brain regions
BOLD = blood oxygen level dependent signal
5
Q
EEG scalp electroencephalography
A
EEG measure of the gross brain electrical activity