The current study investigates the expression of progressive and habitual aspect in second language Spanish, integrating theoretical insights from usage-based and concept-oriented approaches to second language acquisition, along with quantitative sociolinguistic methods. To address the full breadth of forms involved, the study examines variation…

While current debates oppose the cochlear implant's privileging of speech acquisition to teaching sign language, nineteenth-century debates, in contrast, opposed those who saw sign language as a tool for learning to read and write, and those who saw in it an autonomous language for organizing thought itself. Should the order of gestural signs…

The prerequisites of language acquisition are cognitive and pragmatic. The child's conceptual development and social needs direct his attention to particular linguistic forms. These provide an efficient selection device enabling the child to match his language learning task with his abilities. The second language learner who is cognitively and…