Table 2.

Generalized Additive Mixed Model Summary of Young Adults’ Pupillary Responses.

Parametric Coefficients	Estimate	SE	t-Value	p-Value
Intercept (normal rate: clear speech)	3.04	1.13	2.70	.007
Time-restored	−0.33	0.62	−0.52	.602
Time-compressed	2.31	0.62	3.70	<.001
10-Channel vocoding	0.94	0.65	1.44	.149
6-channel vocoding	2.32	0.65	3.56	<.001