A dedicated 3 Tesla research MRI system is located in the Mellen Center on the main campus at Cleveland Clinic. This system is a Siemens TIM Trio MRI scanner operating under the Syngo operating system. This system has 32 receive channels.
The 3T MRI laboratory includes a Mallinckrodt power injector for precision bolus drug administration, equipment for ECG, pulse oximeter, and respiratory monitoring. A dual-bootable PC is situated adjacent to the scanner console and is capable of performing pulse sequence programming tasks, presentation of behavioral stimuli, and monitoring of physiologic information. A TTL synchronization signal is available from the scanner to synchronize stimulus presentation, behavioral responses, and physiologic information during scanning.
The 3 tesla Siemens Trio scanner is fully equipped with proton imaging and spectroscopy capability. It also has online capability to examine functional data superimposed on anatomical images in 3 dimension (Neuro 3D), which provides activation map and fieldmap information. MRI-compatible stimulus equipment includes Avotec, Inc.’s stereoscopic sound and stereoscopic visual presentation system, which can be used to present stimuli to subjects inside the MRI scanner.
The PC adjacent to the scanner console can monitor signals from a pair of fiber-optic gloves (Fifth Dimension Technologies, Inc., Irvine, CA). These are used to reliably monitor relative finger and hand position of subjects performing simple motor tasks inside the scanner. Signals from 15 fiber-optic strain gauges per hand are read-out every 25ms, giving a high temporal resolution measurement of the orientation of the joints of each finger and thumb.
Magnetic Resonance Resources
There are 10 MRI systems (three 3.0T, six 1.5T and two 1.0T) including three Siemens Avanto Tim multi-channel systems available on Cleveland Clinic’s Main Campus. Systems are equipped with the latest imaging coils and software capable state-of-the-art anatomic, physiologic and functional imaging.
Three 32-channel MRI systems (two Siemens Trio and one Philips Intera) are available. These machines have state-of-the-art gradient and coil systems for a wide variety of imaging. The systems are all equipped with multichannel receive chains allowing for parallel imaging. There are an additional 22 MRIs across the Cleveland Clinic Health System that are primarily used for clinical imaging.