Recovering TSNR and BOLD Sensitivity by Combining Hyperbolic Secant RF Excitation Pulses and Compensatory Gradients

Keywords

acceleration account acquisition addition affected albeit amplitude applications appropriate assessed audience barker block blocks body bold brain breath breathing caused channel code coil college combine combined combining compensation compensatory confirmed convolved correction cortex cued currently delay design designs determined deviation dropout duration electric encoding event excitation experiment extended feat field filtering fitting full function gaps general give gradient gradients greater head healthy hold holding hyperbolic importantly improvements interleaved investigate john kernel king lobes loss magma male maps matrix measured motion motor negative noise occurs optimized outside paced pass passage percentage phys planar position positive produced pulse pulses read readout reception reconstruction recover recovered recovery reduce reduced reduction related remove representative requirement resolution response resting rick scaled secant selection sensitivity sequentially simple simulation slice slices smaller smoothing space spatial squares statistic step steps still subjects suffers susceptibility system target task temporal transmission unaffected uniform unlikely visually volume volumes volunteers window wise written