Bilinguals Perform Better at Non-Verbal Tests

When communicating, bilinguals must successfully manage two conflicting languages; one must be accessed whilst the other is suppressed, in order to avoid involuntary language switching. The cognitive demands of this task are thought to be the origin of the bilingual advantage in executive control. A series of studies have demonstrated that bilinguals outperform their peers on tests of non-linguistic interference. Bilingual children, middle aged adults and older adults consistently record fa...