Brain Scanners Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Shows brain activity in real time, brain waves detected and recorded by machine

A

EEG

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

EEG uses

A

Diagnoses epilepsy, sleep research, which part of brain used for tasks, if people in comas are brain dead

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

EEG strengths

A

High temporal resolution (rapid changes), safe and non-invasive

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

EEG limitations

A

Low spatial resolution (can’t pinpoint precise location of activity)

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

Takes 360 pic of patient, produces construction of brain like slices, structural neuro imaging technique

A

CT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

CT strengths

A

Check for fractures in skull, diagnose tumours, assess brain injury from trauma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

CT limitations

A

Exposure to ionising radiation, not suitable for pregnant women

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Magnetic fields and radio waves produce still pics of brain

A

MRI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

MRI uses

A

Diagnose brain tumour and size, assess affects of stroke, asses brain injury from trauma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

MRI strengths

A

More detailed than CT, no radiation exposure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

MRI limitations

A

No metal present on body, can make loud noises

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Measure activities of brain using haemoglobin and oxyhaemoglobin BOLD (blood oxygen level dependant)

A

fMRI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

fMRI Strengths

A

Determine level of neural activity with high accuracy, no radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

fMRI limitations

A

No metal present, takes longer

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