Testing a 32-channel Transmit/Receive MRI Head Array

Magnetic resonance imaging (MRI) is a diagnostic tool in medicine that generates high quality images of the human body without the use of x-rays. Volunteers will be asked to participate in a study to evaluate improved MRI hardware that can be used to enhance the ability of MRI as a diagnostic tool. Specifically, this hardware is designed to acquire high quality images of the brain. This MRI hardware will eventually be integrated into a positron emission tomography (PET) system, which will be able to detect trace amounts of brain disease and/or brain function simultaneously with MRI. The combined system is known as a PET/MRI. For the purposes of this test, the investigators are just evaluating the MRI hardware, which will be installed in a plastic mockup of the PET system.