Language Development in Children

These flashcards cover key concepts from the lecture on language development in children, including vocabulary growth, speech types, key areas in the brain, and language acquisition theories.

What happens to children's vocabulary between the ages of two and three years old?

It approximately doubles.

What is the term for the phenomenon where a single word triggers a network of associated words?

Word association network.

Which type of speech should adults use when communicating with children for better vocabulary development?

Complete sentences using regular vocabulary.

What is private speech in children?

It refers to the internal dialogue or self-directed speech that helps regulate thoughts and actions.

What did Piaget and Vygotsky disagree on regarding private speech?

Piaget viewed it as practice for language, while Vygotsky saw it as a means of understanding one's identity and context.

What is metalinguistic awareness?

It is the understanding of the complexities and rules of one's language.

What is code switching?

Changing language sets based on the social environment or context.

What are Broca's area and Wernicke's area responsible for?

Broca's area is responsible for language production, while Wernicke's area is responsible for language comprehension.

What does the interactionist theory of language acquisition encompass?

It incorporates both nature (genetics) and nurture (environment) in explaining how language is acquired.

How does lower socioeconomic status affect children's language development?

It is associated with poorer language development due to factors like limited access to education and resources.

What is infant-directed speech and why is it effective?

It involves speaking to infants using a higher pitch, slower tempo, and exaggerated intonation, which helps them process auditory information better.

What does the term 'fast mapping' refer to in language acquisition?

It is the ability to learn a new word after hearing it only once or twice.

What are the main limitations of the learning theory of language acquisition?

It cannot fully explain how children produce novel language expressions they have never heard before.

What is the difference between Wernicke's aphasia and Broca's aphasia?

Wernicke's aphasia affects comprehension but allows for fluent yet nonsensical speech, whereas Broca's aphasia involves difficulty with speech production but usually preserves comprehension.