Improved whole-brain SNR with an integrated high-permittivity material in a head array at 7T.

Karthik LakshmananGiuseppe CarluccioJerzy WalczykRyan BrownSebastian RupprechtQing X YangMichael T LanaganChristopher M Collins

Published in: Magnetic resonance in medicine (2021)

Although HPM is used increasingly to improve transmit efficiency locally in situations in which the transmit coil and imaging volume are much larger than the HPM, here we demonstrate that HPM can also be used to improve transmit efficiency and receive-side SNR throughout the brain by improving performance of a head-sized receive array. This includes the center of the brain, where it is difficult to improve SNR by other means.

Keyphrases

resting state
white matter
high resolution
functional connectivity
cerebral ischemia
high throughput
optic nerve
multiple sclerosis
mass spectrometry
brain injury
photodynamic therapy
optical coherence tomography