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. Author manuscript; available in PMC: 2009 Aug 26.
Published in final edited form as: Neuroscience. 2008 Jun 14;155(3):603–612. doi: 10.1016/j.neuroscience.2008.06.019

Fig. 7.

Fig. 7

Mean distance traveled scores (±SEM) of subthalamic nucleus (STN) lesioned rats (n = 7–9 per group) during the 80-min behavioral testing session. Rats were habituated to the apparatus on time blocks 1–4. At the conclusion of time block 4 (indicated by the first dashed line), rats were given an IP injection of saline (upper graph) or 5 mg/kg U50,488 (lower graph). At the conclusion of time block 8 (indicated by the second dashed line), rats received an IP injection of vehicle or NPA (0.1 or 1 mg/kg). aSignificantly different from saline-treated rats (◇). bSignificantly different from saline-treated rats in the vehicle group (○). cSignificantly different from U50,488-treated rats in the vehicle group (●).