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Cannula tip placements in insular cortex on coronal brain sections adapted from Paxinos & Watson (1997). Rats were infused with 50 μM carbachol or vehicle 20 min prior to consumption of a familiar saccharin solution paired with injection of either LiCl (Carbachol-LiCl, filled squares; Vehicle-LiCl, filled circles) or saline (Carbachol-saline, open squares; Vehicle-saline, open circles).
