FAQs
1. My MRI or CAT scan was normal. Why would an fMRI be any different?
MRI measures brain structure. fMRI measures brain function. An MRI scanner is used in each case, but it is calibrated differently.
A CAT (or CT) scan measures structure but not function.
Examples of brain structure are lesions and tumours. The MRI or CAT scan can “see” these (down to a certain magnification). fMRI doesn’t “see” structures. Rather, it measures changes in brain function. These changes can be triggered by blood circulation changes, by neurochemistry, or microscopic lesions that are present but too small to be seen by an MRI.
2. Do I need a doctor’s referral?
No.
3. Is the cost of the assessment covered by insurance? What is the cost?
fMRI is a new technology and, to date, it’s not usually covered by government or private health insurance. In certain cases, coverage is available through worker’s compensation or motor vehicle insurance. To discuss the cost for your situation, contact us at info@brainscandiagnostics.com.
4. How long will I be in the scanner?
You will be in the scanner about 45 minutes. Plan on being at the facility for up to 90 minutes.
5. Will my whole body be in the scanner?
No, just the top half.
6. Why can’t I have metal objects in or on my body during the scan?
The MRI is a powerful magnet and magnetic objects will interfere with the results of the scan.
7. Will I be injected with a substance?
No, there are no substances to be injected.
8. What if I’m claustrophobic (afraid of enclosed spaces)?
The technologist will provide reassurance and advice. If you have suffered with claustrophobia then you may benefit from learning some breathing/calming techniques. You will be able to communicate with the technologist at all times. You can ask to be removed from the scanner at any time and assessment will be stopped.
9. Will I have to stop my medications before the test?
No, take your medication as prescribed. We ask that you refrain from taking any recreational drugs on the day of the test.
10. Is the scanner noisy?
Yes, it will make many loud noises while it is acquiring data. You will be offered earplugs.
11. Will the scan hurt?
No.
12. How do I prepare for my appointment?
Please wear loose fitting, comfortable clothing.
13. Where are the scans done?
Scans in Canada are available in:
- London, Ontario, (Western University)
- Kingston, Ontario, (Queen’s University)
- Montreal, Quebec, (Montreal Neurological Institute)
- Edmonton, Alberta, (MIC Imaging: Century Park)
New scanning locations in Canada and the United States are in the works. Please contact us at info@brainscandiagnostics.com for information on new sites near you.
14. How will this assessment be used?
The scan will provide objective evidence of the function in your brain. This result can be used to verify that you have a problem and support your application for wage replacement and the treatment you require to aid in your recovery.
15. Is an fMRI scan dangerous?
There are no known dangers or side effects connected to an fMRI scan. Scans are not performed on women who are or may be pregnant due to a small theoretical risk to the fetus.