“…The conceptual changes bilinguals have are gradient and exhibit various forms, such as the co-existence of L1-and L2-based concepts (Hohenstein, Eisenberg, & Naigles, 2006;Sachs & Coley, 2006), convergence (Brown & Gullberg, 2013;Cook, Bassetti, Kasai, Sasaki, & Takahashi, 2006), shift to L2-based concepts (Athanasopoulos, Damjanovic, Burnand, & Bylund, 2015b;Park & Ziegler, 2014) and the attrition of L1-based concepts (Bylund, 2009;Bylund & Jarvis, 2011). The degree of cognitive restructuring may be modulated by various long-term learning effects, such as L2 proficiency (Ji, 2017;Park, 2019) , age of L2 acquisition (Boroditsky, 2001;Lai, Rodriguez, & Narasimhan, 2014) and language contact (Bylund & Athanasopoulos, 2014a.…”