7T head volume coils: Improvements for rostral brain imagingTEM, RF volume head coil, homogeneity improvement, high field MRIPurposeTo improve the performance of 7 T head coils over the rostral head regions. Due to RF field/ tissue interactions, the RF magnetic field profile produced by 7 T ...
We present a quadrature volume coil designed for brain imaging of a macaque monkey fixed in a sphinx position (facing down the bore) within a stereotactic frame at 3 T, where the position of the monkey and presence of the frame preclude use of existing coils. Requirements include the ability...
1). Achieving whole brain imaging with high sensitivity currently remains infeasible for combined TMS-fMRI. The main reason is that both the RF coil arrays used for fast fMRI acquisition and the TMS coil need to be placed close to the head for optimal operation, limiting the usability of ...
monkey, MRI, coil, brain, stereotaxyWe present a quadrature volume coil designed for brain imaging of a macaque monkey fixed in a sphinx position (facing down the bore) within a stereotactic frame at 3 T, where the position of the monkey and presence of the frame preclude use of existing...
(RF) coil; configuring the plurality of articulable reception units to allow positioning a head of a patient in a desired position for performing an MRI scan and to allow moving the plurality of articulable reception units from the open position to a closed position, wherein the plurality of...
A man with e closed head injury was evaluated with CT, SPECT, end MRI between 4 end 6 weeks after his injury. On the second CT performed 8 days after the initial CT, only a hypodense lesion was seen. Tc-99m HMPAO brain SPECT showed a cold lesion surrounded by hot areas. The patien...
Kingsbridge Hospital's state of the art MRI scanner is currently one of the most advanced clinical units in the UK and Ireland, providing exceptional imaging quality. Our Head and Spine coil has the unique ability to tilt allowing maximum comfort for patients with kypho...
A recent study reported that a magnetometer coil can be used to detect HTR induced by hallucinogens (Halberstadt & Geyer, 2013a). Magnetometer-based HTR detection may provide a high-throughput, semiautomated assay for this behavior, and offer several advantages over traditional assessment methods (...
Thus, these limitations affect our ability to obtain both high quality structural and functional MRI studies. To overcome these difficulties, we have utilized an MR compatible incubator with a built-in radiofrequency head coil optimized for the neonatal brain volume. In this study we demonstrate ...
To test the digitization, the phantom has three fiducial points and 4–5 head position indicator (HPI) coil locations; three HPI coils are located at the three fiducial points (Fig. 4A). As a result, the phantom offers five distinct locations for digitization testing. The phantom also has ...