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The 608-page book is about the specialist hemispheric functioning of the brain. The differing world views of the right and left brain (the "Master" and "Emissary" in the title, respectively) have, according to the author, shaped Western culture since the time of the ancient Greek philosopher Plato, and the growing conflict between these views has implications for the way the modern world is ...
Bicameral mentality is a hypothesis introduced by Julian Jaynes who argued human ancestors as late as the ancient Greeks did not consider emotions and desires as stemming from their own minds but as the consequences of actions of gods external to themselves.
Whereas Book I is intended to reject the doctrine of innate ideas proposed by Descartes and the rationalists, Book II explains that every idea is derived from experience either by sensation—i.e. direct sensory information—or reflection—i.e. "the perception of the operations of our own mind within us, as it is employed about the ideas it has got."
Individuals are compelled to initiate motivated reasoning to lessen the amount of cognitive dissonance they feel. Cognitive dissonance is the feeling of psychological and physiological stress and unease between two conflicting cognitive and/or emotional elements (such as the desire to smoke, despite knowing it is unhealthy).
For example, if an individual plays the sport tennis to receive an award, that would be extrinsic motivation. VS. if the individual plays because he or she enjoys the game, which would be intrinsic motivation. [30] The most simple distinction between extrinsic and intrinsic motivation is the type of reasons or goals that lead to an action.
In philosophy of mind, the extended mind thesis says that the mind does not exclusively reside in the brain or even the body, but extends into the physical world. [3] The thesis proposes that some objects in the external environment can be part of a cognitive process and in that way function as extensions of the mind itself.
In her book, Personality Type: An Owners Manual, Thomson advances the hypothesis of a modular relationship between the cognitive functions paralleling left-right brain lateralization. In this approach, the judging functions are in the front-left and back-right brains, and the perception functions are in the back-left and front-right brains.
The essay begins with the simple assertion that "men have minds", [2] and Armstrong suggests that modern science may be the best tool with which to investigate the nature of the mind. He says that it seems that scientific consensus is converging on an explanation of the mind in "purely physico-chemical terms". [ 2 ]