S1 문장의 [______]에 들어갈 단어는?

난이도 고난도 · 힌트를 덜 열수록 높은 점수 (현재 5점)
John Douglas Pettigrew, a professor of psychology at the University of Queensland, found that the brain manages the [______] world by dividing it into separate regions, the peripersonal and the extrapersonal ― basically, near and far.