Table 1.

Simulation parameters

Area 17 parameter sets	Spatial frequencies P $\left(-1n\frac{f_i}{\text{cycles}/\text{deg}}\right)$	ficorresponding to mean of P() (cycles/deg)	SDs of position shifts (°)
			Horizontal	Vertical
Central (0–4°)	𝒩(0.2, 0.3)1-a	0.82	0.501-c	0.521-c
Mildly peripheral (8–12°)	𝒩(0.7, 0.3)1-a	0.50	0.791-c	0.341-c
Reverse correlation data	𝒩(1.1, 0.3)1-b	0.33	Unknown	Unknown

Note: 𝒩 (μ, ς) represents a normal distribution with mean μ, SD ς.

^F1-a Fit to data from Movshon et al. (1978a).

^F1-b Fit to data from DeAngelis et al. (1995a) andAnzai et al. (1997).

^F1-c Joshua and Bishop (1970).