Neuroimaging: Types of Scans Flashcards
NAME THAT SCAN
Creates a structural snapshot of the brain; including:
bone, tissue, blood vessels, tumors, infection, damage, or bleeding such as from a stroke.
MRI
MAGNETIC RESONANCE IMAGING
NAME THAT SCAN
Measures the rate of blood flow, chemical activity and electrical impulses in the brain during activity.
Often false positives.
fMRI
FUNCTIONAL MAGNETIC RESONANCE IMAGING
NAME THAT SCAN
Used to determine certain psychiatric disorders caused by miswiring of the brain or connectopathies.
Alzheimer’s, Parkinson’s, schizophrenia etc
DTI
DIFFUSION TENSOR IMAGING
Neurons may be ___________ but connected in an abnormal way.
HEALTHY
What is the dark side of white matter?
PATIENT CAN APPEAR TO BE DEVELOPING DISEASE WHILE PERFECTLY HEALTHY, and NOTHING HAPPENS.
Because of brain scans, the use of _________ _________ ________ to form a diagnosis has diminished, but can be helpful.
FRONTAL RELEASE SIGNS