Table 3.
Significant correlations between the subscales of the questionnaire and readiness to change and gray matter volumes in the targeted regions of interest.
| Variable | Correlation | x | y | z | k | t |
|---|---|---|---|---|---|---|
| PRECONTEMPLATION | ||||||
| Whole sample | ||||||
| Left superior medial frontal gyrus | + | −12 | 63 | 4 | 790 | 4.94 |
| MAINTENANCE | ||||||
| CDI without current psychiatric comorbidities | ||||||
| Right superior medial frontal gyrus | − | 6 | 53 | 30 | 276 | 5.90 |
| CDI with comorbid personality disorders from Cluster B | ||||||
| Right superior medial frontal gyrus | − | 5 | 24 | 55 | 76 | 6.12 |
| CDI with comorbid personality disorders from Cluster C | ||||||
| Right striatum | − | 33 | −7 | 1 | 105 | 10.05 |
| Left superior medial frontal gyrus | + | −6 | 47 | 33 | 1259 | 11.04 |
| READINESS TO CHANGE | ||||||
| CDI without current psychiatric comorbidities | ||||||
| Right rostral anterior cingulate cortex | − | 6 | 26 | 16 | 203 | 5.87 |
| CDI with comorbid personality disorders from Cluster C | ||||||
| Right gyrus rectus | + | 11 | 32 | −18 | 174 | 10.53 |
CDI = cocaine dependence individuals. Stereotaxic coordinates are those listed in SPM8. The corresponding anatomical names were obtained using the tool AAL in MRICron (42).