Brain Scanning Technologies

What is the main advantage of CAT (or CT) Scanning?

• Noninvasive and painless

• Provides the most accurate resolution

• Measures electrical impulses

• Inexpensive

What is a drawback of MEG technology?

• Delivers a high dose of radiation

• Expensive and heavy

• Cannot detect brain damage

• Noninvasive and painless

What is the main advantage of MRI over PET scans?

• MRI is less expensive

• MRI does not require a tracer substance

• MRI provides color-coded brain maps

• MRI is faster

What is a drawback of using PET scans?

• They are non-invasive

• They are inexpensive

• They require a tracer substance

• They provide detailed brain structure images

What is a unique feature of PET scans compared to MRI?

• A) PET scans are non-invasive

• B) PET scans use glucose as fuel

• C) PET scans are less expensive

• D) PET scans do not require a tracer

Which of the following is a disadvantage of MRI?

• It is invasive

• It is expensive

• It requires a tracer

• It is painful