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. 2013 Oct 17;9:38. doi: 10.1186/1744-9081-9-38

Figure 2.

Figure 2

Behavioral responses to the first injection of methylphenidate in adolescent and early adult Spontaneously Hypertensive, Sprague Dawley, and Wistar Kyoto rats. * p < .05, significantly different from Spontaneously Hypertensive rat. *** p < .001, significantly different from Spontaneously Hypertensive rat. **** p < .0001, significantly different from methylphenidate-treated animals. Adult SHR group pretreated with methylphendiate, n = 5. All other groups, n = 6. SHR: Spontaneously Hypertensive rat; SD: Sprague Dawley; WKY: Wistar Kyoto; MPH: methylphenidate.