Exam modalities Flashcards

1
Q

Event Related Potential (ERP)

A

The EEG recording obtained during a specific task, averaged over hundreds of trials; deviation from the characteristic signal suggests pathology at specific loci within the known transition pathways for the given sensory modality

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Nerve conduction study

A

Transcutaneous stimulation of a peripheral nerve is performed at one site and recorded at another; measures nerve conduction velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

H2(15)O PET

A

Maps changes in regional blood flow associated with specific activities/stimulation, using cognitive subtraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

18FDG PET

A

Maps changes in glucose uptake of neurons following specific stimulation/activity, using cognitive subtraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

fMRI

A

Measures regional changes in the relative concentrations of oxyhemoglobin and deoxyhemoglobin, based on their differing magnetic properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly