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Figure 11 | BMC Neuroscience

Figure 11

From: Hippocampal lesions facilitate instrumental learning with delayed reinforcement but induce impulsive choice in rats

Figure 11

Locomotor activity in a novel environment and body mass. Hippocampal-lesioned rats were significantly hyperactive compared to sham-operated controls, in both (a) Experiment 1 (p = .003) and (b) Experiment 2 (p < .001). (c) Body mass across both experiments. There were no differences between groups preoperatively in either experiment. In Experiment 1, the groups gained weight at the same rate, but in Experiment 2, which lasted longer, the H-lesioned rats weighed less at the end of the experiment (p = .01).

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