Figure 1.
Recording of arterial pressure (BP; top) and heart rate (HR; bottom) from a typical experiment depicting effects of bicuculline methiodide (BMI) injected into the region of the raphe pallidus (RP at 30 pmol (100 nl)−1; second arrow from left) and into the dorsomedial hypothalamus (DMH at 0 pmol (100 nl)−1; first and fourth arrows) before and after injection of muscimol (MUS at 80 pmol (100 nl)−1; third arrow) into RP.