 Translation task to L1 and L2 during EEG measurement Then, they will performed an offline task consisting in translating during 8 minutes 100 words 5 letters length from L1 to their second language L2 or vice versa. Both senses of translation will be mixed randomly to increase working memory load. Translation corpus consists of 50 words in each language, matched across L1 and L2 on frequency, length in syllables and phonemes. Words will be presented on the screen and the subject will be asked to translate each word in the other language. The words will be presented 1500 ms on the screen after a fixation cross of 300ms. The subject will have a maximum 2500ms to do the translation. 