Table 5 PCA results – Analysis 2 (N = 267).

From: Delineating the cognitive-neural substrates of writing: a large scale behavioral and voxel based morphometry study

Tasks

PC1

PC2

PC3

PC4

PC5

PC6

PC7

PC8

PC9

WW

0.728

−0.087

0.519

0.342

−0.081

0.200

0.064

0.160

−0.029

NW

0.839

0.021

0.274

0.185

0.125

0.326

0.017

−0.236

0.085

SR

0.832

−0.298

−0.166

−0.178

0.105

0.186

0.277

−0.038

0.187

NR

0.896

−0.224

−0.094

−0.129

0.031

−0.064

0.130

−0.042

−0.314

PN

0.859

−0.184

−0.110

0.017

−0.031

0.239

−0.363

−0.158

0.002

SC

0.847

−0.224

−0.242

0.045

0.064

−0.246

−0.144

0.286

0.067

CFC

0.671

0.377

0.345

0.517

0.094

0.009

−0.081

0.074

0.015

MSO

0.619

0.601

0.312

0.255

0.277

0.111

0.048

0.019

−0.032

MI

0.747

0.290

−0.166

−0.006

−0.566

−0.055

0.067

−0.022

0.035

Exp. Var.

61.97%

9.10%

7.73%

5.93%

4.95%

3.54%

2.94%

2.20%

1.65%

  1. Abbreviation: WW: Word Writing; NW: Number Writing; SR: Sentence Reading; NR: Number Reading; PN: Picture Naming; SC: Sentence Construction; CFC: Complex Figure Copy MSO: Multi-step object use; MI: Meaningless Gesture Imitation.