fMRI scans Flashcards
1
Q
created in the
A
1990s
2
Q
measures
A
blood flow in the brain
3
Q
what happens
A
patient gets placed in the scanner which is a powerful electromagnet and asked to complete a task.
red blood cells which carry oxygen repel the magnetic field but when its deoxygenated it will follow the magnetic field.
these changes are used to create an image and create a map of activation showing changing levels of neural activity.
4
Q
who cannot have one
A
those with metal pacemakers and metal implants
5
Q
is extremely affected
A
by movements
6
Q
costs approximately
A
£500
7
Q
takes up to
A
45 mins
8
Q
A