Table 3 Changes in power spectral density of separated factors P, V, A, and I before and after music interventions in beta brain waves and gamma brain wave.

From: Acoustic features of music differentially modulate anxiety through EEG gamma oscillations and prefrontal connectivity

 

Group

Sample size (N)

Effect size (η2)

Mean difference

Standard deviation (SD)

t Value

Degrees of Freedom (df)

p Value

Beta wave

ANXIETY-P

76

0.21

2.669

4.701

0.6628

149

0.5085

ANXIETY-V

75

ANXIETY-A

79

-8.278

3.777

2.191

147

0.03*

ANXIETY-I

70

CONTROL-P

70

0.4

4.868

5.068

0.9605

130

0.3386

CONTROL-V

62

CONTROL-A

75

14.38

4.918

2.923

170

0.0041*

CONTROL-I

67

Gamma wave

ANXIETY-P

72

0.44

10.53

4.684

2.248

141

0.0261*

ANXIETY-V

71

ANXIETY-A

73

0.0246

6.334

0.03887

148

0.969

ANXIETY-I

77

CONTROL-P

69

0.23

-12.75

5.833

2.186

130

0.0306*

CONTROL-V

63

CONTROL-A

67

19

5.515

3.445

129

0.0008*

CONTROL-I

64

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