TABLE 3.

Generalized additive mixed model summary for the pupillometry test data recalled accurately, showing the effects of spectral resolution (SR) and age on pupil dilation (significant effects are shown in bold; edf = estimated degrees of freedom; Ref.df = reference degrees of freedom).

Parametric Terms (Curve Height)	Estimate	SE	t	p
Intercept (YNH, U)	−0.51	1.11	−0.46	0.64
SR (V32)	−0.06	0.96	−0.07	0.95
SR (V16)	0.65	0.72	0.91	0.36
SR (V8)	1.68	1.14	1.48	0.14
Age (ONH)	−1.67	1.54	−1.09	0.28
SR (V32) × Age (ONH)	2.74	1.37	2.00	0.046
SR (V16) × Age (ONH)	1.80	1.04	1.73	0.08
SR (V8) × Age (ONH)	3.40	1.63	2.09	0.04
Smooth Terms (Curve Shape)	edf	Ref.df	F	p
Time	3.70	4.07	0.65	0.71
Time × SR (V32)	2.84	3.32	0.20	0.86
Time × SR (V16)	1.84	2.03	0.44	0.72
Time × SR (V8)	1.02	1.02	0.91	0.34
Time × Age (ONH)	3.74	4.20	0.61	0.74
Time × SR (V32) × Age (ONH)	4.37	5.16	1.18	0.32
Time × SR (V16) × Age (ONH)	3.81	4.39	0.31	0.89
Time × SR (V8) × Age (ONH)	6.51	7.32	2.33	0.03
Pupil Position (X, Y)	293.19	298.67	103.68	< 0.001
Random Effect of Time by Subject	199.03	300.00	5.11	< 0.001
Random Effect of Time by Subject by V32	142.03	298.00	1.62	< 0.001
Random Effect of Time by Subject by V16	160.10	298.00	1.66	< 0.001
Random Effect of Time by Subject by V8	156.53	298.00	1.88	< 0.001
Random Effect of Time by Sentence	882.67	1600.00	2.24	< 0.001