Table 1 Statistical effects on age and cohort of cortical entropy during normal aging. The adjusted \(\:{R}^{2}\) of the GAMM model, \(\:F\)-value of age effect, \(\:t\)-value of cohort effect and the corresponding \(\:p\)-value are listed in the table (\(\:*<0.05,**<0.01,***<0.001\))

Global

8.521

0.0073 **

-2.251

0.0263 *

0.169

Primary

9.830

0.0033 **

-2.110

0.0371 *

0.137

Intermediate

11.253

0.0011 **

-2.456

0.0156 *

0.143

Association

1.833

0.1390

-1.519

0.1320

0.171

VIS-C

8.956

0.0070 **

-2.039

0.0438 *

0.113

VIS-P

6.970

0.0165 *

-1.913

0.0583

0.092

SMOT-A

7.465

0.0073 **

-1.610

0.1102

0.191

SMOT-B

9.277

0.0029 **

-2.221

0.0283 *

0.085

AUD

6.203

0.0142 *

-1.935

0.0554

0.111

PM-PPr

14.521

0.0002 ***

-2.835

0.0054 **

0.144

CG-OP

6.326

0.0133 *

-2.044

0.0432 *

0.168

dATN-A

8.898

0.0058 **

-2.430

0.0167 *

0.152

dATN-B

6.376

0.0150 *

-1.875

0.0634

0.093

SAL-PMN

4.676

0.0327 *

-1.889

0.0614

0.142

LANG

4.221

0.0425 *

-2.055

0.0422 *

0.169

FPN-A

3.584

0.0713

-1.595

0.1140

0.123

FPN-B

2.070

0.2050

-1.062

0.2906

0.170

DN-A

1.613

0.1150

-1.583

0.1160

0.175

DN-B

0.900

0.5240

-1.078

0.2830

0.178