Table 1.

Parameter definitions

Term	Definition
A	Saturation efficiency
$\alpha$	Inversion efficiency
$c_i\left(t\right)$	AIF of the ith sub‐bolus
$\epsilon \left(v\right)$	T1 corrected efficiency for a spin with velocity $v$
f	CBF
L	Width of the labeling slab in Turbo‐QUASAR
m i(t)	Magnetization decay function of the ith sub‐bolus
M 0 a	Equilibrium magnetization of the arterial blood
M 0 t	Equilibrium magnetization of the tissue
$M_{0t}^{\prime }$	Equilibrium magnetization of the tissue affected by Look‐Locker effects
$M_{0t\_\mathit{MT}}^{\prime }$	Equilibrium magnetization of the tissue affected by MT and Look‐Locker effects
$\mathrm{\Delta }M\left(t\right)$	Tissue signal of the ASL data
$\mathrm{\Delta }{M}_i\left(t\right)$	Tissue signal of the ith sub‐bolus
MI	Signal at $t_I$
ATT	Arterial transit time
$\mathrm{\Delta }\mathit{TI}$	Time between each readout
$\tau$	Sub‐bolus duration (SBD)
$\mathit{\lambda }$	Blood‐water partition coefficient
T 1 a	T1 relaxation time of the arterial blood
$T_{1t}^{\prime }$	T1 relaxation time of the tissue affected by Look‐Locker effects
$T_{1t\_\mathit{MT}}^{\prime }$	T1 relaxation time of the tissue affected by MT and Look‐Locker effects
$t_I$	Time at which MT effects terminate
v	Flow velocity
vmax	Maximum velocity in the center of the laminar flow profile