Scientific American shows its biases in an article about the psychological basis for biased thinking, cognitive dissonance, and mental compartmentalization. The article also includes some handy tips on how to bring people around to your way of seeing things.
If you have pondered how intelligent and educated people can, in the face of overwhelming contradictory evidence, believe that evolution is a myth, that global warming is a hoax, that vaccines cause autism and asthma, that 9/11 was orchestrated by the Bush administration, conjecture no more. The explanation is in what I call logic-tight compartments—modules in the brain analogous to watertight compartments in a ship.
The concept of compartmentalized brain functions acting either in concert or in conflict has been a core idea of evolutionary psychology since the early 1990s. According to University of Pennsylvania evolutionary psychologist Robert Kurzban in Why Everyone (Else) Is a Hypocrite (Princeton University Press, 2010), the brain evolved as a modular, multitasking problem-solving organ—a Swiss Army knife of practical tools in the old metaphor or an app-loaded iPhone in Kurzban’s upgrade. There is no unified “self” that generates internally consistent and seamlessly coherent beliefs devoid of conflict. Instead we are a collection of distinct but interacting modules often at odds with one another. The module that leads us to crave sweet and fatty foods in the short term is in conflict with the module that monitors our body image and health in the long term. The module for cooperation is in conflict with the one for competition, as are the modules for altruism and avarice or the modules for truth telling and lying.
Knowing the ways which highly educated people/organizations attempt to replace your existing ideas with new ones not only alerts you to potential propaganda sources, but helps in assessing the sophistication of your information sources and determining their real motivation for presenting the information the way they do.
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