Table 1.
Relationship between [11C]‐raclopride BPND and striatal volume in healthy participants (n = 62), controlling for age, sex, and total brain volume
| [11C]‐raclopride BPND | ||||
|---|---|---|---|---|
| Striatal Volume | Dorsal caudate | Dorsal putamen | Ventral striatum | Globus pallidus |
| Pre‐commissural caudate | 0.12 | 0.02 | 0.003 | 0.02 |
| (0.36) | (0.86) | (0.98) | (0.87) | |
| Post‐commissural caudate | 0.08 | −0.07 | −0.09 | 0.02 |
| (0.57) | (0.61) | (0.52) | (0.88) | |
| Pre‐commissural putamen | 0.15 | 0.16 | 0.08 | −0.06 |
| (0.27) | (0.23) | (0.55) | (0.67) | |
| Post‐commissural putamen | 0.19 | 0.16 | 0.06 | −0.004 |
| (0.15) | (0.24) | (0.68) | (0.94) | |
| Ventral striatum | 0.23 | 0.19 | 0.30 a | −0.02 |
| (0.08) | (0.16) | (0.02) | (0.87) | |
| Globus pallidus | 0.14 | 0.06 | −0.04 | −0.06 |
| (0.29) | (0.67) | (0.76) | (0.65) | |
Data are presented as Pearson product moment partial correlations (r) with P‐values in parentheses.
a
Significance at P < 0.05 (two‐tailed), uncorrected for multiple comparisons (adjusted P‐threshold < 0.002).