Table 5 Results of study on correlations between MMSE scores and alpha, and beta relative powers recorded from Fp1, Fp2, F4, and F8 electrodes

MMSE overall score

0.412

9.947

0.475

4.812

0.420

9.083

0.400

11.262

0.446

6.788

0.477

4.675

0.699

0.084

0.457

6.018

Orientation to time

0.214

51.239

0.570

1.219

0.224

47.974

0.499

3.500

0.191

58.664

0.595

0.797

0.528

2.347

0.547

1.765

Orientation to place

0.340

20.023

0.445

6.938

0.340

19.981

0.365

15.912

0.357

17.086

0.454

6.211

0.586

0.925

0.432

7.961

Attention and Calculation

0.460

5.762

0.402

11.067

0.470

5.127

0.342

19.655

0.504

3.286

0.409

10.218

0.711

0.061

0.392

12.259

Recall

0.323

23.024

0.407

10.453

0.330

21.683

0.309

25.921

0.411

10.083

0.326

22.414

0.615

0.543

0.356

17.288