Table 1 Parameters of the LAM fits to the orientation noise data shown in Fig. 3a.

From: The equivalent internal orientation and position noise for contour integration

Observer log2 β − log2 β ideal log2 σ int (degrees) RMSe
S1 −1.38 ± 0.11 2.6 ± 0.2 0.05
S2 −1.43 ± 0.10 2.7 ± 0.1 0.12
S3 −1.46 ± 0.09 2.3 ± 0.1 0.05
S4 −1.20 ± 0.12 2.7 ± 0.2 0.08
S5 −1.91 ± 0.12 2.8 ± 0.2 0.09
Mean −1.48 ± 0.12 2.6 ± 0.1 0.04
  1. For individual observers, the standard error of the bootstrapped parameters is shown. For the mean the standard error is calculated over the observers. In linear units, the mean equivalent internal noise is 6.1°. The efficiency is 36% of the ideal observer.