“…These advantages seem to be limited to phonological categories rather than structural ones and are evident in both perception, such as differentiation of minimal pairs (Hyltenstam, Bylund, Abrahamsson, & Park, ), and production, for instance, with respect to the production of voice onset time and accent rating (Au, Knightly, Jun, & Oh, ; but see Ventureyra, Pallier, & Yoo, , for null results). Despite these long‐lasting advantages over L2 learners, heritage speakers are usually perceived as sounding less nativelike in comparison to monolinguals (Kupisch et al., ), and the acoustic properties for some aspects of their speech (i.e., voice onset time in production of stops) are not always nativelike (Lein, Kupisch, & van de Weijer, ). With respect to voice onset time specifically, one likely cause of the changes in L1 values for this temporal characteristic of stop production has been suggested to be crosslinguistic influence, a process that might lead to the development of an accented L1 (Lein et al., ).…”