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Brain scans (Functional magnetic resonance imaging scan (fMRI) (Passamonti…
Brain scans
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Evaluation
PET
They can detect areas of damage by indicating which parts of the brain show abnormal levels of activity and help researchers to see where the problems exist as well as what the issue is in relation to the area.
But the scans are more invasive as the patient is injected with a radioactive substance, and it is not advisable to have too many of this type of scan due to long-term effects.
CAT
Quick to conduct and can give accurate details of brain structure, and can help a surgeon to plan a surgery by being able to see the layout of the structure before physically entering it.
However they can pose a risk to patients as they involve exposure to radiation, especially for pregnant women as the x-rays can cause damage to the unborn baby.
fMRI
Non-invasive and don't involve injections of substances so they don't have risks associated with PET scanning.
But the use of high-powered magnetic fields in fMRI scans is dangerous, especially for those with a cardiac pacemaker of metal surgical implants.
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