Research on the second language (L2) acquisition of the Spanish copulas has been central to our understanding of key concepts and issues in the field of SLA such as stages of development and variability in L2s. However, this research has focused nearly exclusively on native English-speaking learners. The present study examined native…

In the current study, we examined the role of first-language (L1) influence on the additional-language development of grammatical gender marking in Spanish. The participants were L1 speakers of English or French (N = 215), who were learning Spanish and who were at three instructional levels. The data came from their use of gender marking in…

This article synthesizes the conclusions of the empirical studies in this special issue and outlines key questions in future research. The research reported in this volume has identified several fundamental issues in pronunciation-focused task design that are discussed in detail and on which suggestions for further research are outlined. One…

We revisit morpheme studies to evaluate the long-standing claim for a universal order of acquisition. We investigate the L2 acquisition order of six English grammatical morphemes by learners from seven L1 groups across five proficiency levels. Data are drawn from approximately 10,000 written exam scripts from the Cambridge Learner Corpus. The…

The present study explores the initial stages of incidental acquisition of two grammatical properties of verbs (subcategorization and [ir]regularity) during reading in first language (L1) and second language (L2) German using an adjusted self-paced reading paradigm. The results indicate that L1 speakers are superior to L2 speakers in the…

The traditional implicit learning literature has focused primarily on the abstraction of statistical regularities in form-form connections. More attention has been recently directed toward the implicit learning of form-meaning connections, which might be crucial in the acquisition of natural languages. The current article reports evidence for…

It is widely recognized that the processor has a key role to play in creating and strengthening the mapping between form and meaning that is integral to language use. Adopting an emergentist approach to heritage language acquisition, the current study considers the extent to which the operation of the processor can contribute to an account of what…

This article examines how changes in linguistic theory affect the debate between the fundamental difference hypothesis and the access-to-Universal Grammar (UG) approach to SLA. With a focus on subjacency (Chomsky, 1973), a principle of UG that places constraints on "wh"-movement and that has frequently been taken as a test case for verifying…

This article reexamines Bley-Vroman's original (1990) and evolved fundamental difference hypothesis that argues that differences in path and endstate of first language acquisition and adult foreign language learning result from differences in the acquisition procedure (i.e., language faculty and cognitive strategies, respectively). The evolved…

Foreign language learning contrasts with native language development in two key respects: It is unreliable and it is nonconvergent. At the same time, it is clear that foreign languages are languages. The fundamental difference hypothesis (FDH) was introduced as a way to account for the general characteristics of foreign language learning. The FDH…

This article presents new evidence from offline and online processing of garden-path sentences that are ambiguous between reduced relative clause resolution and main verb resolution. The participants of this study are intermediate and advanced German learners of English who have learned the language in a nonimmersed context. The results show that…

Previous studies have shown that it is particularly difficult for second language (L2) learners to overcome the effects of transfer when they need to unlearn specific aspects of the native language in the absence of explicit input that indicates which properties of the first language (L1) are ruled out by the L2 grammar (Inagaki, 2001;…

Discusses the question of whether inborn mechanisms underlying linguistic development include actual grammatical categories and principles or are of a more general character. Recent proposals suggest a possible convergence of views on this matter, with implications for the study of both first language acquisition and second language learning.…

Responds to L. Eubank and K. R. Gregg article (this issue), suggesting they have misinterpreted and misrepresented claims made by B. Jacobs and J. Schumann. Claims discussed include the micro- and macro-organization of neurobiology and language, the Explananda, Jacobs and Schumann's acquisition mechanism, and reductionism. The single acquisition…

Responds to L. Eubank and K. R. Gregg article (this issue), negating their rejection of neurobiological accounts of language acquisition because they are not based on Government and Binding theory and addressing their ideas on the explanatory power of associative learning. A discourse between neurobiology and linguistics is possible only if…