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 inducers are molecules that can induce the expression of neural genes in ectoderm explants without inducing mesodermal genes as well. Neural induction is often studied in xenopus embryos since they have a simple body pattern and there are good markers to distinguish between neural and non-neural tissue.