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. 2009 Aug 24;20(5):1164–1174. doi: 10.1093/cercor/bhp179

Figure 6.

Figure 6.

Representative film autoradiograms illustrating CB1R mRNA expression in DLPFC area 46 of rhesus monkeys at postnatal 1 week (A), 1 month (B), 3 months (C), and 8.7 years (D) of age. The density of hybridization signal is presented in pseudocolor according to the calibration bars to the left of A (applies to A and B) and C (applies to C and D). E illustrates mean (bar) and individual (open circles) OD levels of CB1R mRNA expression across all cortical layers in DLPFC area 46 for each age group of rhesus monkeys. ANCOVA demonstrated a significant effect of age group on mean OD levels and post hoc tests revealed significant decreases in mean OD levels between the 1-week and 3-month age groups but no change across age groups older than 3 months of age; days (d), months (m), nanoCuries per gram (nCi/g), microCuries per gram (μCi/g), years (y).