Definition of physiological. 1  1 : of or relating to physiology. 2  2 : characteristic of or appropriate to an organism's healthy or normal functioning the sodium level was physiological. 3  3 : differing in, involving, or affecting physiological factors a physiological strain of bacteria.
Motivated reasoning is confirmation bias taken to the next level. Motivated reasoning leads people to confirm what they already believe, while ignoring contrary data. But it also drives people to develop elaborate rationalizations to justify holding beliefs that logic and evidence have shown to be wrong.
In contrast to inductive reasoning, the conclusions of deductive reasoning are as valid as the initial assumption. Deductive reasoning was first described by the ancient Greek philosophers such as Aristotle. Inductive reasoning is the process of reasoning from the specific to the general. This raven is a black bird.