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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Behav Neurosci. 2012 Oct 15;126(6):762–771. doi: 10.1037/a0030488

Figure 1.

Figure 1

Unconditioned orienting (rearing behavior) observed during repeated presentation of a non-reinforced visual stimulus in Experiment 1. The number of breaks in the photobeams used to detect rearing behavior is shown on the y-axis. Blocks of trials (first 4, middle 4, and last 4 trials) are shown on the x-axis. All groups exhibited habituation of the orienting response except the SHR:CTL group (*p<0.05). Data are means ± standard error. Abbreviations: WIS = Wistar; SHR = Spontaneously Hypertensive; CTL = control (no exercise and only treated with saline); EX = 3 weeks access to a running wheel; MPH = methylphenidate (0.125mg/kg); ATMX = atomoxotine (0.125mg/kg).