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A model of cognition asserting that the fundamental operation of all cognitive systems is to seek, interpret, and remember information that confirms existing cognitive structures. Perception is hypothesis testing; memory is reconstructive bias; reasoning is motivated by prior commitments. This theory argues that unbiased cognition is a myth—not because humans are flawed, but because cognition is bias. A system that treated all incoming data with equal weight, with no preference for its current model, would be paralyzed. Confirmation bias is not an error term in the equation of thought; it is the equation itself.
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