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Table 3 Electrophysiological Data

From: Response inhibition deficits in externalizing child psychiatric disorders: An ERP-study with the Stop-task

  Group    
  Controls (N) N = 11 AD/HD (A) N = 10 AD/HD+ODD/CD (AO) N = 11 ODD/CD (O) N = 8 ANCOVA (covariate "age")  
Measure Mean (SD) Mean (SD) Mean (SD) Mean (SD) F (3,35) p Planned contrasts
Go-Trial ROIa mean amplitude (μV) -3.20 (1.68) -2.64 (2.10) -2.25 (2.36) -1.98 (2.18) .80 .50  
Stop-Trial ROIa mean amplitude (μV) -5.36 (1.69) -1.94 (4.00) -2.89 (2.21) -1.90 (4.20) 3.15 .04* N<A*, AO*, O*/A = AO = O
Stop-N200 ROIa mean amplitude (μV) -2.16 (1.60) .69 (3.43) -.63 (1.76) .07 (2.02) 2.54 .07+ N<A*, AO+, O*/A = AO = O
  1. * one-tailed, p < .05
  2. + one-tailed, p < .10
  3. a Region of interest, mean of electrodes F4 and F8 at 420–500 ms post Go-signal onset