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Table 4 Relative spectral power of qEEG in Alzheimer disease with "closing-in" and without "closing-in" phenomenon.

From: "Closing-in" phenomenon in Alzheimer's disease and subcortical vascular dementia

  

Closing-in(-) (N = 38)

Closing-in(+) (N = 41)

Deformed (N = 19)

p-value*

Anterior field

Delta

1.00 ± 0.13

1.09 ± 0.16

1.05 ± 0.13

0.446

 

Theta

1.09 ± 0.12

1.11 ± 0.17

1.14 ± 0.13

0.591

 

Alpha**

1.13 ± 0.12

1.10 ± 0.08

1.01 ± 0.08

0.009

 

Beta

1.38 ± 0.08

1.36 ± 0.08

1.34 ± 0.07

0.317

Centrotemporal field

Delta

0.95 ± 0.14

1.00 ± 0.17

1.01 ± 0.13

0.489

 

Theta

1.09 ± 0.13

1.11 ± 0.16

1.13 ± 0.13

0.672

 

Alpha**

1.15 ± 0.12

1.12 ± 0.09

1.01 ± 0.08

0.004

 

Beta

1.38 ± 0.07

1.36 ± 0.08

1.01 ± 0.08

0.545

Posterior field

Delta

0.94 ± 0.14

0.98 ± 0.18

1.01 ± 0.14

0.446

 

Theta

1.10 ± 0.13

1.13 ± 0.15

1.14 ± 0.13

0.636

 

Alpha**

1.20 ± 0.13

1.18 ± 0.12

1.03 ± 0.09

0.001

 

Beta

1.37 ± 0.07

1.35 ± 0.08

1.34 ± 0.07

0.679

  1. * One-way ANOVA test ** Statistical significance was found between deformed and other groups.