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Table 3 Relations between symptom severity as measured by CAARS and P1 ERP amplitudes on midline electrode sites between 120 and 150 ms.

From: Impaired early information processing in adult ADHD: a high-density ERP study

CHANNEL CAARS DOMAIN SYMPTOM SEVERITY (μV, SE) DIFFERENCE F (P)a
LOW HIGH
Cz HYPERACTIVITY −0.37 (0.14) 0.05 (0.17) 4.54 (0.04)
IMPULSIVITY −0.41 (0.10) −0.29 (0.18) 0.53 (0.47)
INATTENTION −0.91 (0.14) −0.37 (0.14) 1.45 (<.0001)
Pz HYPERACTIVITY −0.35 (0.22) 0.75 (0.28) 11.71 (0.0014)
IMPULSIVITY 0.52 (0.17) 0.01 (0.29) 4.23 (0.05)
INATTENTION 1.57 (0.21) 0.19 (0.21) 58.56 (<.0001)
Oz HYPERACTIVITY 2.78 (0.36) 2.56 (0.45) 0.19 (0.6674)
IMPULSIVITY 2.36 (0.27) 1.58 (0.46) 3.77 (0.0590)
INATTENTION 1.65 (0.35) 0.67 (0.35) 17.74 (0.0001)
  1. acorrections for multiple comparisons were applied