Fig. 2From: Interaction between intensity and duration of acute exercise on neuronal activity associated with depression-related behavior in ratsPhotographs of double-staining for c-Fos and serotonin (5-HT) in the dorsal raphe nucleus (DRN; panel a) or corticotropin-releasing factor (CRF) neurons in the hypothalamic paraventricular nucleus (PVN; panel b) of rats after acute treadmill running. SED, sedentary controls; LSR, low-speed running; HSR, high-speed running. Arrowheads indicate double-labeled cells. Scale bars are 50 µmBack to article page