belief perseverance
cognitive inertia – Tendency for a particular orientation in how an individual thinks about an issue, belief or strategy to endure or resist change Confirmation bias – Tendency of people to favor information that confirms their beliefs or values denialism – Person's choice to deny reality, as a way to avoid a psychologically uncomfortable truth Idée fixe – Idea that preoccupies an individual and that he is unwilling to give up despite evidence to the contrary