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. 2000 Jun 1;20(11):4255–4266. doi: 10.1523/JNEUROSCI.20-11-04255.2000

Fig. 3.

Fig. 3.

A single Acb cell showing a pronounced increase in firing rate [type reinforcement–excitation (RFe)] immediately after both the water- and food-reinforced response. Left, PEHs show that the Acb cell exhibited similar type RFe discharge patterns across the food (top) and water (bottom) reinforcer conditions. Mean INT for food = 21.87 ± 0.19 sec; mean INT for water = 21.30 ± 0.13 sec. Right,Raster display shows the activity of the same neuron shown in the PEHs across all trials of the multiple schedule. Trials 1–29, Food; trials 30–57, water.