Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

The Federal Government is composed of three distinct branches: legislative, executive, and judicial, whose powers are vested by the U.S. Constitution in the Congress, the President, and the Federal ...

President Trump is committed to lowering costs for all Americans, securing our borders, unleashing American energy dominance, restoring peace through strength, and making all Americans safe and secure ...