“…On the other hand, bilingual speakers who frequently use one of their languages in a setting in which it is inappropriate to code-switch, for instance at work or with monolinguals, especially professionals such as (simultaneous) interpreters (Woumans, Ceuleers, van der Linden, Szmalec & Duyck, 2015), have extensive practice in minimizing co-activation and crosslinguistic interference, in addition to a more developed monitoring system. Several studies have found that it is mainly speakers who use the L1 regularly in professional contexts who show relatively minimal attrition effects, while there is no such benefit among speakers who use the L1 mainly within the family or with friends (de Leeuw, Schmid & Mennen, 2010;Schmid, 2007;.…”