Table IV.

Error data and accuracy in the fMRI tasks (one‐tailed P values)

	Alertness			1‐back			2‐back			3‐back
	Patients	Controls	P value	Patients	Controls	P value	Patients	Controls	P value	Patients	Controls	P value
Omissions
Mean	0.800	0.210	0.027	0.200	0.150	n.s.	1.200	0.080	0.021	2.000	1.460	n.s.
Std. deviation	1.082	0.579		0.414	0.555		1.897	0.277		2.035	1.450
Commissions
Mean	—	—	—	0.070	0.150	n.s.	0.200	0.080	n.s.	0.330	0.000	0.047
Std. deviation	—	—		0.258	0.376		0.414	0.277		0.724	0.000
Outliers
Mean	1.330	1.210	n.s.	0.400	0.230	n.s.	0.600	0.540	n.s.	0.470	0.500	n.s.
Std. deviation	0.724	0.975		0.507	0.439		0.507	0.519		0.516	0.519
Accuracy
Mean	98.33	99.55	0.027	99.670	99.596	n.s.	98.250	99.808	0.024	97.083	98.173	n.s.
Std. deviation	2.26	1.21		0.572	0.814		2.535	0.469		3.122	1.813