Table 4

Linear mixed effects model

Model information	Number of observations	Fixed effects coefficients		Random effects coefficients		Covariance parameters
	680	4		2		2
Model fit statistics	AIC	BIC		LogLikelihood		Deviance
	250.85	277.98		−119.42		238.85
Effect	Estimate	SE	95% CI	t statistics	DF	p value
Fixed effects
Intercept	−0.084	0.042	[−0.167, −0.002]	−2.0019	676	0.045699
Condition (0 = control, 1 = adaptation)	0.052	0.052	[−0.049, 0.153]	1.0036	676	0.31595
log(upperContrast)	0.982	0.012	[0.958, 1.006]	80.523	676	0
Condition:log(upperContrast)	0.443	0.033	[0.378, 0.507]	13.453	676	1.0013E-36
Random effects
ID	0.0424		[0.013955, 0.12908]
Error	0.2875		[0.27262, 0.30324]