Table 2 Correlation matrix between key variables of the study.

Age

–

BVMT

 − 0.653**

–

Category

fluency

 − 0.075

0.392

–

Digit span

 − 0.144

0.258

0.151

–

Symbol search

 − 0.214

0.368

0.492

0.410

–

TMT

 − 0.004

0.425

0.450

0.166

0.524

–

Acc VR

 − 0.489

0.429

0.560*

0.518*

0.565*

0.466

–

Error VR

0.536*

 − 0.380

 − 0.430

 − 0.189

 − 0.624**

 − 0.698**

 − 0.685**

–

Acc Real

 − 0.552*

0.305

0.450

0.297

0.563*

0.142

0.745***

 − 0.663**

–

Error real

0.586*

 − 0.548*

 − 0.425

 − 0.300

 − 0.713**

 − 0.619*

 − 0.581*

0.886***

 − 0.712**

–

Micro-error real

0.277

 − 0.109

 − 0.112

0.210

-0.333

0.140

 − 0.217

0.479

 − 0.446

0.384

–

Micro-error VR

0.247

 − 0.017

0.126

0.324

0.239

0.142

0.150

0.105

0.180

0.016

0.416

–