Table 6.

Correlation between craving reduction rate after the intervention with rates of changes from pre- to post-intervention in the EFs tasks

Group		WM accuracy	WM RT	BART-AV	BART-Max	WCST-PE	WCST-CC	Accuracy Go	Accuracy No-Go
tDCS ＋ MBSAT	Pearson coeffitient	−0.625	0.442	0.700	0.551	0.485	−0.171	−0.134	−0.103
	pvalue (2-taild)	0.007**,***	0.075	0.002*, ***	0.022*, ***	0.049*, ***	0.512	0.609	0.693
tDCS	Pearson coeffitient	−0.438	0.380	0.569	0.353	0.332	−0.339	−0.031	−0.297
	pvalue (2-taild)	0.090	0.146	0.021*, ***	0.180	0.209	0.199	0.910	0.264
MBSAT	Pearson coeffitient	−0.416	0.204	0.543	0.400	0.384	−0.072	−0.212	−0.101
	pvalue (2-taild)	0.123	0.466	0.036***	0.140	0.158	0.800	0.449	0.720
Sham	Pearson coeffitient	−0.145	0.187	0.021	−0.170	0.161	−0.245	−0.372	−0.160
	pvalue (2-taild)	0.592	0.489	0.939	0.529	0.551	0.323	0.156	0.554

EF, executive functions; WM accuracy, working memory accuracy; WM RT, working memory response time; WCST-PE, perseverative errors in the Wisconsin Card Sorting Task; WCST-CC, completed categories in the Wisconsin Card Sorting Task; BART-AV, adjusted value in the Balloon Analogue Risk Task; BART-Max, maximum number of pumps in the Balloon Analogue Risk Task.

Significant results are highlighted in (***) at 0.01 level (**) and 0.05 level (*).