. Author manuscript; available in PMC: 2013 Aug 30.

Published in final edited form as: Int J Neuropsychopharmacol. 2012 Nov 21;16(5):957–966. doi: 10.1017/S1461145712001022

Table 2. Total binding volumes of distribution (V_T/f_P) in the brain regions of interest for non-smokers and smokers (and the non-menthol smoker and menthol smoker subgroups).

Brain region	V_T/f_P values – non-smokers (n=51)	V_T/f_P values – smokers (n=63)	V_T/f_P values – non-menthol smoker subgroup (n=41)	V_T/f_P values – menthol smoker subgroup (n=22)
Thalamus	16.0 (±3.6)	16.3 (±3.1)	15.7 (±2.8)	17.3 (±3.4)
Prefrontal cortex	7.1 (±1.4)	8.1 (±1.4)^***	7.9 (±1.2)^**	8.6 (±1.6)^***
Brainstem	9.6 (±2.1)	11.6 (±2.2)^***	11.1 (±1.7)^***	12.7 (±2.6)^***
Cerebellum	8.2 (±1.8)	9.9 (±1.8)^***	9.4 (±1.5)^**	10.8 (±2.1)^***
Corpus callosum	6.0 (±1.6)	7.0 (±1.4)^***	6.6 (±1.2)^*	7.6 (±1.6)^***

p≤0.05,

^**

p≤0.005,

^***

p≤0.0005, compared to non-smokers (uncorrected).

All values are mean±s.d.

Table 2. Total binding volumes of distribution (VT/fP) in the brain regions of interest for non-smokers and smokers (and the non-menthol smoker and menthol smoker subgroups).