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. Author manuscript; available in PMC: 2011 Jun 30.
Published in final edited form as: Psychiatry Res. 2010 May 20;182(3):231–237. doi: 10.1016/j.pscychresns.2010.01.012

Table 2.

Correlation coefficients of grey matter volume and behavioral performance composite measures

rIFG-Total rIFG-Oper rIFG-Tri rIFG-Orb Sup Par PS RI
rIFG-Oper 0.42 1
0.69 1
rIFG-Tri 0.79 0.24 1
0.68 0.56 1
rIFG-Orb 0.90 0.15 0.57 1
0.90 0.51 0.34 1
Sup Par 0.59 0.35 0.52 0.65 1
.69 0.55 0.59 0.57 1
PS *−0.40 −0.28 −0.21 *−0.40 −0.26 1
−0.01 .02 0.05 −0.02 0.12 1
RI −0.31 *−0.50 −0.35 −0.36 −0.19 −0.03 1
−0.08 −0.03 −0.04 −0.09 −0.01 *−0.58 1
RV −0.36 −0.36 *−0.40 −0.30 −0.36 −0.09 0.54
−0.04 −0.06 0.02 0.11 0.07 −0.37 0.33

rIFG-Total = total rIFG volume, rIFG-Oper = rIFG pars opercularis, rIFG Tri = rIFG pars triangularis, rIFG-Orb = rIFG pars orbitalis, Sup Par = superior parietal lobule; PS = processing speed, RI = response inhibition, RV = response variability.

Bold indicates significant correlations within group

*

indicates between group differences, Bonferroni corrected.

Red indicates ADHD individuals, green indicates control individuals.