Researchers have long used one version of this technology, known as blood oxygen level ... To see if they could identify any signal of brain activity with this approach, the researchers popped ...

This type of MRI detects multiple tissue-specific parameters, including the signal intensity of the prostate tissue, the blood flow or perfusion, and the diffusion of water molecules in the tissue.

University of New Mexico researchers studying the health risks posed by gadolinium, a toxic rare earth metal used in MRI ...

of the blood-oxygen level dependent (BOLD) MRI signal to CO 2. We found a positive logarithmic relationship for regional tissue volumes and fractional anisotropy with body weight, which is similar ...