Table 3. Mean ERP amplitudes (μV) for ADHD patients (n = 33) and healthy controls (n = 31).

Group means, and standard deviations (SDs) and confidence intervals (CIs) are reported.

	ADHD			Control			ADHD			Control
	Relevant trials						Irrelevant trials
	Mean	SD	95% CI	Mean	SD	95% CI	Mean	SD	95% CI	Mean	SD	95% CI
Cue P3 Go
Cz	0.2	1.0	0.23[-0.11–0.57]	0.4	1.1	0.39[-0.00–0.80]	-0.1	0.7	-0.13[-0.36–0.16]	0.0	1.1	-0.03[-0.35–0.45]
Pz	2.2	1.3	2.19 [1.79–2.70]	2.6	0.9	2.62[2.29–2.98]	0.9	0.8	0.94[0.61–1.21]	1.1	0.7	1.05[0.81–1.34]
Late CNV
Fz	0.2	1.5	0.14[-0.37–0.71]	0.3	1.1	0.1[2–0.25–0.79]	0.3	0.9	0.31[-0.00–0.61]	0.5	1.1	0.46[0.14–0.96]
Cz	-1.5	1.3	-1.44[1.93–- 1.04]	-1.8	1.1	-1.76[-2.14–-1.37]	0.0	0.8	0.03[-0.24–0.31]	-0.1	0.8	-0.15[-0.41–0.21]
Pz	-1.5	0.9	-1.45[-1.81–-1.19]	-1.6	1.0	-1.52[-1.92–-1.18]	-0.2	0.7	-0.18[-0.48–0.02]	-0.5	0.8	-0.49[-0.79–-0.19]
P3 Go
Cz	4.0	2.2	3.96[3.09–4.74]	5.6	2.5	5.43[4.63–6.48]
Pz	5.7	2.0	5.89[5.02–6.46]	6.1	2.3	5.89[5.30–6.96]
N2 NoGo
Fz	-2.9	3.1	-2.90[-3.98–-1.76]	-3.1	3.1	-3.06[-4.27–-1.98]
Cz	0.8	3.0	0.64[-0.28–1.82]	1.0	2.0	0.94[0.28–1.76]
P3 NoGo
Fz	1.6	2.3	1.46[0.75–2.38]	1.7	2.8	1.82[0.70–2.76]
Cz	4.5	2.4	4.39[3.59–5.31]	6.5	3.2	6.34[5.30–7.64]
Pz	3.3	2.0	3.19[2.56–3.98]	4.1	2.1	4.04[3.30–4.89]