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Table 1 Group differences in PINV amplitude for left hand responses

From: Increased performance uncertainty in children with ADHD? - Elevated post-imperative negative variation (PINV) over the ventrolateral prefrontal cortex

right hemisphere mean [μV] ± standard deviation

AF8

FP2

F10

right VLPFC

Difference right VLPFC ADHD vs CO

Control group (N = 19)

-2.49 ± 6.72

-0.78 ± 5.21

-1.08 ± 5.90

-1.45 ± 5.21

t = 2.73

p = 0.0099

ADHD group (N = 18)

-6.32 ± 5.63

-6.53 ± 7.66

-5.05 ± 6.20

-5.97 ± 4.83

 

left hemisphere mean [μV] ± standard deviation

AF7

FP1

F9

left VLPFC

Difference left VLPFC ADHD vs CO

Control group (N = 19)

0.26 ±4.84

-0.34 ± 4.60

-0.23 ± 5.81

-0.10 ± 3.66

t = 1.06

p = 0.30

ADHD group (N = 18)

-0.70 ± 5.84

-4.49 ± 9.06

-0.60 ± 7.06

-1.93 ± 6.49

 
  1. PINV amplitudes (mean values and standard deviations) over the right and left ventrolateral prefrontal area (VLPFC) for unilateral response movement with the left hand. CO = healthy control group. Significant differences are presented in bold italics.