âBush lost reelection largely because of a recession that had already ended well before voting day,â frum wrote. The Twilight Vindication of George H.W. Bush Mark K. Updegrove October 20, 2013. As frum notes, Cruz is âa hugely smart, highly focused political player, with a clear-eyed view of political realities.â.
In biologically inspired neural networks, the activation function is usually an abstraction representing the rate of action potential firing in the cell.
Neural Activation of the Heart and Blood Vessels. As shown in the following table, activation of sympathetic efferent nerves to the heart increases heart rate (positive chronotropy), contractility (positive inotropy), rate of relaxation (increased lusitropy), and conduction velocity (positive dromotropy).