40. Use the diagram below for this question. In this research study, Jager et al. (Frontiers Psychiatry, 2019) used the elevated-plus maze test in mice to examine the effects of increasing doses of the psychostimulant known as methylphenidate (MPH). From the pictures and graph provided, what could they conclude? Elevated-plus maze test after acute treatment with methylphenidate (MPH) Time in Open Arms Venice Contra MPH 3 mg/kg MPH 10 mak a. MPH significantly augmented anxiety in a dose-dependent manner. b. MPH significantly reduced anxiety in a dose-dependent manner. c. MPH significantly augmented depression in a dose-dependent manner. d. MPH significantly reduced depression in a dose-dependent manner. Neng TotalTime urine

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