the mass of nerve tissue in the anterior end of an organism. The brain integrates sensory information and directs motor responses; in higher vertebrates it is also the centre of learning. (See nervoussystem, human.)
Brainwashing - also called Coercive Persuasion, systematic effort to persuade nonbelievers to accept a certain allegiance, command, or doctrine. A colloquial term, it is more generally applied to any technique designed to manipulate human thought or action against the desire, will, or knowledge of the individual. By controlling the physical and social environment, an attempt is made to destroy loyalties to any unfavourable groups or individuals, to demonstrate to the individual that his attitudes and patterns of thinking are incorrect and must be changed, and to develop loyalty and unquestioning obedience to the ruling party.
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Philosophy - (from Greek, by way of Latin, philosophia, “love of wisdom”) the rational, abstract, and methodical consideration of reality as a whole or of fundamental dimensions of human existence and experience. Philosophical inquiry is a central element in the intellectual history of many civilizations. via Britannica.com
The Scientific Method is a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.