Functional MRI Using Spin-Lock Sequences to Modulate BOLD Activation

Keywords

ability abnormal accompany acquisition acquisitions activated activation activity affected allows alternated amplitude annual applied appropriate architecture audience biomedical blank blocks bold brain called caused characterizing choice cluster combination come compensate conditions considerable consisted contribute contribution contributions courses decay decrease decreases degree derived design differently diffusion dimensions directly distortion distributions dominated dramatically durations emphasize engineering enhances established experienced experiment explicitly expression field fields frame frequencies full functional gore gradient gradients implemented includes increasing induce initial insights internal john known larger lattice local lock locking losses magnitudes major manipulate maps maximal meeting minimal modality modulate much neural novel objects pattern periodic planar plot preparation prepared presence presentations produced psychiatry pulse pulses quantifying radiological radiology rapid reduced refocuses refocusing repeated reversible rotating runs scale scales scanner sciences selected selection separated shot spaced spatial spear specifically spin static strength structures successfully surround susceptibility target theoretical transverse typically variation variations varies vary varying venous visual whose