TABLE 4.

Results of Bayesian linear mixed models. A. Model including only the gravity predictor assuming that the gravity a priori was engaged 450 ms after the beginning of the target motion. B. Model including both the gravity and the optical predictor.

Fixed Effects
	Estimate	Est.Error	Rhat	Bulk_ESS	Tail_ESS
Intercept	−8.8	16.32	1.01	687	1,510
gravity	0.99	0.01	1	5,112	2,914
Random Effects
sd(Intercept)	68.08	13.44	1.01	805	1,080
sd(gravity)	0.02	0.01	1.01	575	1,019
cor(Intercept, gravity)	−0.5	0.49	1	2,181	2,112
Family Specific Parameters
sigma	27.57	1.07	1	3,693	2,616

Fixed Effects
	Estimate	Est.Error	Rhat	Bulk_ESS	Tail_ESS
Intercept	−30.22	17.47	1	902	1814
gravity	0.93	0.02	1	3,437	3,105
optical	0.07	0.02	1	3,513	3,191
Random Effects
sd(Intercept)	67.19	12.57	1.01	919	1,583
sd(gravity)	0.02	0.01	1.01	449	889
cor(Intercept, gravity)	−0.49	0.48	1	2,160	2,364
Family Specific Parameters
sigma	27.1	1.03	1	4,982	3,012