brain encodes language. For example, the “input switch” theory states that bilinguals can
deactivate one language module while using the other. A new measure of spoken language
comprehension, headband-mounted eyetracking, allows a firm test of this theory. When
given spoken instructions to pick up an object, in a monolingual session, late bilinguals
looked briefly at a distractor object whose name in the irrelevant language was initially …