Which questions are we seeking answers to?

• How does the child acquire his/her mother tongue?

• What changes in a child's mind during first-language acquisition?

• How does the child's language ability interact with other cognitive abilities such as memory, attention, and suppression?

• What could be causing some children to differ from others in their language and cognitive development processes?

• What is the nature of the conceptual and mental basis on which an individual's language ability is built?

• How do children's language abilities affect their logical reasoning abilities?

• Can children learn more than one language at the same time?

• Do children who grow up learning two or more languages differ from monolingual children in their other cognitive abilities?

• What is the course of language and cognitive development in socially and cognitively disadvantaged groups?