Table A1.

Statistical two-sided paired t-test comparisons of FFT pupil power between presented and absent frequencies (n = 13).

Stimulus frequency (Hz)	t-statistics	p-value
0.3	28.41	2.248 * 10−12
0.7	22.23	4.042 * 10−11
1.1	7.81	4.815 * 10−6
1.7	8.35	2.424 * 10−6
2.3	6.92	1.609 * 10−5
3.4	2.73	0.018