**Abbreviations:**

1D: one dimensional; 2D: two dimensional; 3D: three dimensional (spatial); 4D: four dimen‐ sional (spatiotemporal); BOLD: blood oxygenation level dependent; MR: magnetic resonance; MRI: magnetic resonance imaging; fMRI: functional MRI; FFT: fast Fourier transform; NAB: neuroactive blob; VOI: volume of interest; IV: intravascular; EV: extravascular; gridel: grid element; bfrac: blood volume fraction; fmap: functional map; corr: correlation (coefficient); tcorr: temporal correlation or task correlation.
