Figure 1.

Histology of mPFC cannulation. Cannula tip placements within the mPFC were between +3.20 and +2.70 mm relative to bregma. Animals were included if tips of the injection cannula were within the dorsal boundary of the prelimbic cortex and at least 1 mm above the ventral boundary of the infralimbic cortex. Photograph of mPFC section stained with 0.1% neutral red with cannula tip placements marked by Prussian blue is also included. p, Prelimbic region of the medial prefrontal cortex; I, infralimbic region of the medial prefrontal cortex.