Does knowing an L2 make it easier to acquire other languages? If so, why?

Some basic questions about multilingualism and second languages (L2)

What mechanisms underlie L2 communication anxiety?

Should we distinguish L2 fluency from L2 proficiency and if so, how?

What so-called "executive functions" play a role in L2 fluency?

How are multiple language vocabularies stored and accessed in the brain?

Is language an "attention directing mechanism" as some cognitive linguists suggest? How so, exactly? What are the implications for L2 acquisition?

What role does social interaction play in process of L2 acquisition?

Does knowing multiple languages provide people with a form of "cognitive reserve" and, if so, how exactly?

What is "automaticity" in language performance, why is it important, and how should it be measured?

How are basic mechanisms of memory implicated in adult language acquisition?

What are the cognitive mechanisms that link aspects of language to one's sense of identity and social belonging?

Is there such a thing as a "talent" for languages and what would that be exactly?

Given that most people in the world are multilingual, what does that mean for how we should think about monolingualism?