On the contrary, vasoconstriction causes a rise in diastolic pressure and a fall in pulse pressure.
vasoconstriction means literally causing contraction of the vessels, which is exactly what this center does.
1899, from comb. form of vas + constriction.
vasoconstriction va·so·con·stric·tion (vā'zō-kən-strĭk'shən)n. Constriction of a blood vessel, as by a nerve or drug.