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 Conventional Magnetic Resonance Spectroscopic Imaging (MRSI)
suffers from both low signal-to-noise (SNR), as well as cumbersome
constraints that relate acquisition time to the number of resolved
imaging voxels. The development of high-fidelity gradient coils
has opened opportunities for fast k-space encoding schemes that
are already used in structural imaging. At the same time, receive-coil
arrays using up to 128 channels have been developed and reported
to produce improved SNR and improved encoding efficiency. In
combination with high-field spectroscopic imaging at 7T with
excitation RF arrays, these methods will be developed for neuroimaging
to study Alzheimer’s disease, brain tumors, stroke, and
migraine.
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