Function	Phase	Description	Equation
Gaussian Models	Monophasic	One spatial Gaussian with one temporal lobe	$RF=A_s*exp(-\frac{x^2}{{\sigma }_x^2}-\frac{y^2}{{\sigma }_y^2})*exp(-\frac{{(t-\tau )}^2}{{\sigma }_t^2})$
	Biphasic	Two spatial Gaussians each with one temporal lobe	$RF=A_{s1}*exp(-\frac{x^2}{{\sigma }_{x1}^2}-\frac{y^2}{{\sigma }_{y1}^2})*exp(-\frac{{(t_1-\tau )}^2}{{\sigma }_{t1}^2})+A_{s2}*exp(-\frac{x^2}{{\sigma }_{x2}^2}-\frac{y^2}{{\sigma }_{y2}^2})*exp(-\frac{{(t_2-\tau )}^2}{{\sigma }_{t2}^2})$
		One spatial Gaussian with two temporal lobes	$RF=A_s*exp(-\frac{x^2}{{\sigma }_x^2}-\frac{y^2}{{\sigma }_y^2})*(A_t*exp(-\frac{{(t_1-\tau )}^2}{{\sigma }_{t1}^2})-exp(-\frac{{(t_2-\tau )}^2}{{\sigma }_{t2}^2}))$
Gabor Models	Monophasic	One spatial Gabor with one temporal lobe	$RF=A_s*exp(-\frac{x^2}{{\sigma }_x^2}-\frac{y^2}{{\sigma }_y^2})*\cos (\frac{2\pi x}{\lambda }+\varphi )*exp(-\frac{{(t-\tau )}^2}{{\sigma }_t^2})$
		One spatial Gabor with two cosine and one temporal lobe	$RF=A_s*exp(-\frac{x^2}{{\sigma }_x^2}-\frac{y^2}{{\sigma }_y^2})*\text{ cos }(\frac{2\pi x}{{\lambda }_1}+{\varphi }_1)*\cos (\frac{2\pi y}{{\lambda }_2}+{\varphi }_2)*\text{exp}(-\frac{{(t-\tau )}^2}{{\sigma }_t^2})$
	Biphasic	One spatial Gabor with two temporal lobes	$RF=A_s*exp(-\frac{x^2}{{\sigma }_x^2}-\frac{y^2}{{\sigma }_y^2})*\cos (\frac{2\pi x}{\lambda }+\varphi )*(A_t*exp(-\frac{{(t_1-\tau )}^2}{{\sigma }_{t1}^2})-exp(-\frac{{(t_2-\tau )}^2}{{\sigma }_{t2}^2}))$
		One spatial Gabor and one spatial Gaussian each with a temporal lobe	$RF=A_s*exp(-\frac{x^2}{{\sigma }_{x1}^2}-\frac{y^2}{{\sigma }_{y1}^2})*\text{ cos }(\frac{2\pi x}{\lambda }+\varphi )*exp(-\frac{{(t_1-\tau )}^2}{{\sigma }_{t1}^2})+exp(-\frac{x^2}{{\sigma }_{x2}^2}-\frac{y^2}{{\sigma }_{y2}^2})*exp(-\frac{{(t_2-\tau )}^2}{{\sigma }_{t2}^2})$