Figure 9.
Histograms represent the total number of retrogradely labeled neurons in three representative cases with injections in 38DL (1FBL), 38DL/38VL (3FBR), and 38VL (1DYL) in frontal and insular regions. Abbreviations as in previous figures: DLPF, dorsolateral prefrontal cortex; MF, medial frontal cortex; OBF, orbitofrontal cortex.