Table 4 Correlations between alpha peak frequency and values of Snaith-Hamilton Pleasure Scale (SHAPS), before and after treatment and the change in those scores (SHAPS_Post minus SHAPS_Pre). Note: Significant p-values are in bold.

From: Effect of DLPFC rTMS on anhedonia and alpha asymmetry in depressed patients

Group

SHAPS_Pre

SHAPS_Post

Change in SHAPS

Bilateral

Alpha peak_Pre

Pearson Correlation

0.084

0.461*

0.222

Sig. (2-tailed)

0.690

0.020

0.287

N

25

25

25

Alpha peak_Post

Pearson Correlation

− 0.043

0.228

0.196

Sig. (2-tailed)

0.839

0.274

0.348

N

25

25

25

Sham

Alpha peak_Pre

Pearson Correlation

0.868**

0.458

− 0.536

Sig. (2-tailed)

0.002

0.215

0.137

N

9

9

9

Alpha peak_Post

Pearson Correlation

0.136

0.318

0.301

Sig. (2-tailed)

0.726

0.404

0.431

N

9

9

9

Unilateral

Alpha peak_Pre

Pearson Correlation

− 0.195

− 0.086

0.191

Sig. (2-tailed)

0.361

0.689

0.370

N

24

24

24

Alpha peak_Post

Pearson Correlation

− 0.148

− 0.222

0.074

Sig. (2-tailed)

0.491

0.297

0.730

N

24

24

24