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Table 2 Group differences in PINV amplitude for right 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)

-3.01 ± 7.25

-3.44 ± 10.14

-3.00 ± 6.35

-3.15 ± 6.62

t = 0.84

p = 0.41

ADHD group (N = 18)

-4.76 ± 5.45

-5.42 ± 6.32

-4.02 ± 5.46

-4.73 ± 4.66

 

left hemisphere mean [μV] ± standard deviation

AF7

FP1

F9

left VLPFC

Difference left VLPFC ADHD vs CO

Control group (N = 19)

-1.08 ± 5.83

-0.82 ± 5.20

-2.04 ± 3.79

-1.32 ± 3.83

t = 0.38

p = 0.71

ADHD group (N = 18)

-0.66 ± 5.01

-5.81 ± 9.04

0.55 ± 11.12

-1.97 ± 6.48

 
  1. PINV amplitudes (mean values and standard deviations) over the right and left ventrolateral prefrontal area for unilateral response movements with the right hand. CO = healthy control group.