This is “according to a study led by Jeffrey Sanchez-Burks, a psychologist at the University of Michigan,” quoted by Jonah Lehrer in a post about the notion of dual identity in the case of novelist and lepidopterist Vladimir Nabokov (who, for those of you who live under a rock, predicted evolution patterns in the butterfly species he studied that have just been proven correct).
As it turns out, if you cultivate two or more identities, you’ll be more likely to draw ideas from all backgrounds to solve problems.
— From SF.