Is changing languages effortful for bilingual speakers? Depends on the situation

(New York University) Research on the neurobiology of bilingualism has suggested that switching languages is inherently effortful, requiring executive control to manage cognitive functions, but a new study shows this is only the case when speakers are prompted, or forced, to do so.
Source: EurekAlert! - Social and Behavioral Science - Category: International Medicine & Public Health Source Type: news