Before revision: However, cognitive biases originate from heuristics that were at one point useful for humans but that interfere with rational judgement, and thus are not defects in normal brain function but the application of heuristics that give less accurate results then modes of thinking which reject are based on more objective rationality.
After revision: However, cognitive biases originate from heuristics that were at one point useful for humans but that interfere with rational judgement, and thus are not defects in normal brain function but the application of heuristics that give less accurate results then modes of thinking which are based on more objective rationality.