In the psychology of human behavior, denialism is a person's choice to deny reality as a way to avoid a psychologically uncomfortable truth. Denialism is an essentially irrational action that withholds the validation of a historical experience or event, when a person refuses to accept an empirically verifiable reality.

In the sciences, denialism is the rejection of basic facts and concepts that are undisputed, well-supported parts of the scientific consensus on a subject, in favor of radical and controversial ideas. The terms Holocaust denialism and AIDS denialism describe the denial of the fac

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People wrap themselves in their beliefs. And they do it in such a way that you can't set them free. Not even the truth will set them free. ...more
Michael Specter

Like any pseudo scientific thinking, denialism begins with a desired conclusion. Rather than supporting a controversial or rejected claim, like many pseudo sciences, denialists maintain that a generally accepted scientific or historical claim is not true, usually for ideological reasons. Denialists then engage in what is called motivated reasoning, rationalizing why the undesired claim is not true or at least not proven. They therefore are working backwards from their desired conclusion, filling ...more
Steven Novella

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