Magnetic Resonance Imaging is a radiological tool used to create images of an organism of higher quality than x-rays.

learn more… | top users | synonyms

4
votes
1answer
55 views

Oxygenated hemoglobin in MRI

I have read the following sentence: Because this oxygenated hemoglobin is unaffected by magnetic fields, the response RF signal returned to the fMRI scanner is stronger when there is more ...
1
vote
0answers
46 views

Weinman AIF and High temporal resolution AIF difference

I'm dealing with MRI DCE maps. Actually I need to find such parameters as the transfer constant $K^{trans}$ and rate constant $k^{ep}$ according to the two-compartment model. Mathematically, this ...
7
votes
1answer
160 views

What is the limit of time resolution in fMRI?

I was reading about a few studies on estimating functional connectivity between brain areas using fMRI signals. However, as far as I know that fMRI has a very poor time resolution, roughly in the ...
8
votes
2answers
625 views

Would exposure to a strong magnetic field have deleterious effect on the human?

This article states of a 25T magnet, ".. If are ever caught in one of these devices, let’s just say you probably won’t live to tell the tale." Is the above statement in order? What effect would ...