Mmm... no.Sorry. Creationists don't have special brains.
It is actually a function common to all our minds.
https://en.wikipedia.org/wiki/Compartmentalization_%28psychology%29
Intelligent people are capable of doing it, just as non-intelligent people. It isn't something specific to any group.
Anyone can do it, for example intelligent people who think Americans (or Russians, or whatever) are particularly evil or stupid, and go looking for things to buttress their confirmation bias.