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The effect of insulin (left) to increase baroreflex gain of LSNA (grey continuous line) from control (black continuous line) is reversed by blockade of PVN with muscimol (grey dashed line). PVN inhibition has no effect on baroreflex gain of HR. PVN inhibition during saline infusion (right) did not change baroreflex control of LSNA or HR. *P < 0.05 vs. CON.
