Syntactic priming across highly similar languages is not affected by language proficiency

This study explores the mechanism underlying shared syntactic representations for highly similar languages by investigating whether cross-linguistic syntactic priming is affected by language proficiency. In two experiments, native (L1) Mandarin-Chaoshanese speakers with moderate proficiency in Cantonese (L2) heard Chaoshanese and Cantonese dative sentences with a prepositional object (PO) or a double object (DO) structure, and then completed a...