Table 6.

Average omitted trials per session during experiment 2 and statistical results from Wilcoxon signed-rank tests

	Mean	SEM	Z	p value
MEC pretreatment
SAL
SAL	0.472	0.131
0.25	1.044	0.176	− 3.367	< 0.001
0.50	1.857	0.278	− 4.124	0.003
0.75	5.892	0.756	− 6.341	< 0.001
1.00	7.275	0.667	− 3.274	0.001
0.3 NIC
SAL	0.333	0.056
0.25	0.626	0.050	− 5.983	< 0.001
0.50	1.403	0.284	− 5.924	< 0.001
0.75	3.703	1.004	− 5.643	< 0.001
1.00	3.567	0.691	− 5.673	< 0.001
1.0 NIC
SAL	0.042	0.016
0.25	2.859	0.509	− 4.006	< 0.001
0.50	5.393	0.811	− 4.115	< 0.001
0.75	4.627	1.027	− 5.194	< 0.001
1.00	6.250	0.833	− 5.126	< 0.001
SCOP pretreatment
SAL
SAL	0.472	0.131
0.01	1.997	0.312	− 4.166	< 0.001
0.03	3.501	0.488	− 6.080	< 0.001
0.056	6.936	0.547	− 6.269	< 0.001
0.3 NIC
SAL	0.333	0.056
0.01	4.807	0.579	− 6.258	< 0.001
0.03	6.428	0.729	− 6.160	< 0.001
0.056	7.609	0.768	− 6.661	< 0.001
1.0 NIC
SAL	0.042	0.016
0.01	3.367	0.499	− 5.846	< 0.001
0.03	6.771	0.835	− 6.160	< 0.001
0.056	5.461	0.545	− 6.683	< 0.001

Italic values denote a statistically significant difference from the corresponding NIC-SAL combination, p < 0.004 for MEC and p < 0.005 for SCOP