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.
activation-synthesis theory. 1  Theory that dreaming occurs when the cerebral cortex synthesizes neural signals generated from activity in the lower part of the brain and that dreams result from the brain's attempts to find logic in random brain activity that occurs during sleep. biological rhythms.