Infancy: Cognitive Development – Part II

Vocabulary flashcards based on key concepts from the lecture on cognitive development and language acquisition in infancy.

Infant Amnesia

Difficulty in remembering events that occurred before the age of 3 years.

Language Development

The process by which infants begin to understand and produce language.

Phoneme Discrimination

The ability of infants to differentiate between distinct sounds; they can initially discriminate around 600 consonants and 200 vowel sounds.

Child-Directed Speech

A style of speech used by caregivers that is characterized by a higher pitch and more exaggerated intonation, often referred to as 'motherese'.

Communication Progression

The stages of communication development in infants, including crying, cooing, babbling, receptive, and expressive vocabulary.

Holophrases

Single words used by infants that convey a complete thought, typically seen between 10 to 13 months.

Overextension

When children apply a word broadly beyond its correct usage, such as using 'car' for all vehicles.

Telegraphic Speech

Early speech stage in which infants use short and precise two- or three-word combinations, demonstrating an understanding of grammar.

Screen Time

Refers to time spent using devices such as television or tablets, with implications for language learning in infants.

Sensitive Period

A developmental timeframe during which infants are particularly receptive to learning language.