Table 2.

Percentage of trials on which subjects responded “same” for each pair of stimuli in the no-noise (top) and noise (bottom) conditions.

	1	2	3	4	5	6	7	8	9	10	11	12	13
1	98.8	82.5	82.5	40	22.5	7.5	5	5	0	0	2.5	0	2.5
2		97.5	95	70	52.5	10	5	0	2.5	2.5	0	0	0
3			91.3	97.5	75	32.5	12.5	5	2.5	0	2.5	2.5	0
4				97.5	87.5	40	12.5	5	2.5	0	2.5	0	0
5					97.5	77.5	27.5	12.5	5	2.5	0	0	0
6						92.5	75	30	15	2.5	2.5	2.6	0
7							91.3	75	42.5	17.5	5	5	0
8								95	80	50	32.5	7.5	5
9									93.75	87.5	67.5	27.5	22.5
10										92.5	87.5	76.9	37.5
11											97.5	87.5	65
12												96.3	97.5
13													100
	1	2	3	4	5	6	7	8	9	10	11	12	13
1	95	95	87.5	80	82.5	57.5	25	7	5	0	0	5	2.5
2		96.3	97.5	97.5	87.5	80	42.5	15	5	5	0	2.5	2.5
3			95	97.5	90	80	42.5	30	7.5	0	2.5	2.5	0
4				92.5	95	90	55	20	10	7.5	2.5	2.5	7.5
5					95	90	67.5	27.5	5	12.5	2.5	15	10
6						96.3	87.5	50	25	7.5	2.5	10	2.5
7							91.3	75	42.5	20	12.5	12.5	10
8								87.5	72.5	52.5	40	20	10
9									90	92.5	72.5	47.5	37.5
10										93.8	95	85	52.5
11											95	100	85
12												95	97.5
13													95