Figure 2From: Differential sensitivity to the acute and sensitizing behavioral effects of methylphenidate as a function of strain in adolescent and young adult ratsBehavioral 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.Back to article page