Table 2.

Parameters of neurovascular and haemodynamic response functions.

	Description	Parameterisation	Prior
$\eta$	Rate of signal decay per sec	$0.64\cdot \exp \left({\theta }_{\eta }\right)$	$p\left({\theta }_{\eta }\right)=N(0,\frac{1}{256})$
$\chi$	Rate of flow-dependent elimination	$0.32\cdot \exp \left({\theta }_{\chi }\right)$	$p\left({\theta }_{\chi }\right)=N\left(\mathrm{0,0}\right)$
$\tau$	Rate of hemodynamic transit per sec	$2.00\cdot \exp \left({\theta }_{\tau }\right)$	$p\left({\theta }_{\tau }\right)=N(0,\frac{1}{256})$
$\alpha$	Grubb’s exponent	$0.32\cdot \exp \left({\theta }_{\alpha }\right)$	$p\left({\theta }_{\alpha }\right)=N\left(\mathrm{0,0}\right)$
$\epsilon$	Intravascular: extravascular ratio	$1.00\cdot \exp \left({\theta }_{\epsilon }\right)$	$p\left({\theta }_{\epsilon }\right)=N(0,\frac{1}{256})$
$\varphi$	Resting oxygen extraction fraction	$0.40\cdot \exp \left({\theta }_{\varphi }\right)$	$p\left({\theta }_{\varphi }\right)=N\left(\mathrm{0,0}\right)$
${\beta }_i$	Sensitivity of signal to neural activity	${\theta }_{\beta }$	$p\left({\theta }_i\right)=N(0,\frac{1}{16})$
${\tau }_{nc}$	Decay rate of the astrocytes collateral	$0.7\cdot \text{exp}\left({\theta }_{{\tau }_{nc}}\right)$	$p\left({\theta }_{nc}\right)=N(0,\frac{1}{16})$