Table 7.
Interaction effects of smoking group and age on FC to graphic > non-graphic labels
| Seed |
M (s.d.) |
F/t | P | ||
|---|---|---|---|---|---|
| Brain region | Smokers (n = 40) | Non-smokers (n = 40) | |||
| Positive FC | |||||
| Bilateral insula | |||||
| L parietal | All | 0.0001 (0.0003) | 0.0001 (0.0003) | 5.62 | 0.02 |
| Adolescent | 0.0001 (0.0003) | 0 (0.0002) | NS | NS | |
| Adult | 0.0001 (0.0002) | 0.0002 (0.0004) | NS | NS | |
| Bilateral amygdala | |||||
| L MPFC | All | 0.0002 (0.001) | 0.0002 (0.001) | 4.29 | 0.04 |
| Adolescent | 0.0001 (0.0005) | 0.0003 (0.001) | NS | NS | |
| Adult | 0.0004 (0.001) | 0 (0.001) | NS | NS | |
| L caudate | All | 0.0001 (0.0004) | 0 (0.0003) | 8.44 | 0.005 |
| Adolescent | −0.0001 (0.0003)* | 0.0001 (0.0003) | −1.94 | 0.06 | |
| Adult | 0.0002 (0.0003)* | −0.0001 (0.0005) | 2.21 | 0.03 | |
| Negative FC | |||||
| Bilateral putamen | |||||
| R insula | All | 0.0001 (0.0004) | 0 (0.0003) | 6.19 | 0.02 |
| Adolescent | −0.0001 (0.0004)+ | 0 (0.0003) | NS | NS | |
| Adult | 0.0003 (0.0003)+ | 0 (0.0004) | 2.68 | 0.01 | |
NS, not significant.
*t = 2.8, P = 0.01.
+t = 2.94, P = 0.01.