Probably closely related to Anchoring (cognitive bias) https://en.wikipedia.org/wiki/Anchoring_(cognitive_bias) https://en.wikipedia.org/wiki/Anchoring_(cognit

Probably closely related to Anchoring (cognitive bias) https://en.wikipedia.org/wiki/Anchoring_(cognitive_bias) https://en.wikipedia.org/wiki/Anchoring_(cognitive_bias) I doubt we have neurology-based explanations. Nor do I think that's the right level of analysis for many psychological phenomena (including this one).