TABLE I.

Paired samples t-tests of summary pupillometry measures by listener group (listening difficulty subjects versus age-matched controls). AUC = area under the pupil response curve.

Measure	t	p
AUC: switch	1.19	0.259
AUC: maintain	0.965	0.3551
AUC: switch–maintain	1.172	0.266
peak ampl.: maintain	0.681	0.5102
peak ampl.: switch	1.195	0.2573
peak latency: maintain	0.949	0.363
peak latency: switch	1.076	0.3051