Table 1. Optical parameters of the brain compartments chosen in this study, based on Refs. [51,52]. White matter (WM) and gray matter (GM) were chosen to have the same values. Units are in ${\mathrm{mm}}^{-1}$ .

Scalp		Skull		CSF		WM+GM
${\mu }_{\text{a}}$	${\mu }_{\text{s}}^{\prime }$	${\mu }_{\text{a}}$	${\mu }_{\text{s}}^{\prime }$	${\mu }_{\text{a}}$	${\mu }_{\text{s}}^{\prime }$	${\mu }_{\text{a}}$	${\mu }_{\text{s}}^{\prime }$
0.0191	0.66	0.0136	0.86	0.0026	0.01	0.0186	1.10