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Table 2 Control vs. ADHD: group differencesa in the P1 component in the midline 10–20 electrodesb

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

CHANNEL

GROUP (μv, SE)

F

P

ADHDc

CONTROLc

Fz

−0.87 (0.09)

−0.83 (0.09)

0.07

~ 1.0

FCz

−1.20 (0.09)

−1.63 (0.09)

11.82

0.1541

Cz

−0.85 (0.06)

−1.61 (0.06)

71.88

<.0001

Pz

0.94 (0.09)

1.49 (0.09)

18.57

0.0101

Oz

4.12 (0.15)

6.32 (0.15)

104.45

<.0001

  1. a Random Regression Hierarchical Linear Model analysis with group, time and interaction as independent variables, and with age, gender and years of education as covariates
  2. bTime window for the P1 component: 120-150 ms poststimulus
  3. c Least-squares means estimates (SE) of stimulus-locked ERP amplitudes for a given study group, adjusted for age, gender and years of education
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BMC Psychiatry

ISSN: 1471-244X

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