Glossary

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Peer Culture

Peer culture is the body of shared understandings, values, social norms, communication practices, and play conventions that children co-construct among themselves through daily interaction - distinct from the adult culture that surrounds them. It defines who can join play, how…

Peripersonal Space(also: Near space, Reaching space)

The area immediately surrounding the body that is within arm's reach, typically extending about 60-70 cm from the body. Peripersonal space is significant in accessibility because blind and visually impaired children often have delayed development of spatial awareness within this…

Phonological Development(also: Speech Sound Development, Phonological Acquisition)

The process by which children learn to produce and organise the speech sounds of their language, progressing from early cooing and vowel-like sounds through canonical babbling (consonant-vowel syllables) to recognisable words and complex phonological patterns. Phonological…

Pivotal Response Training(also: PRT, Pivotal Response Treatment)

A naturalistic, child-initiated behavioural intervention developed for children with autism that targets "pivotal" skills — foundational abilities whose improvement produces widespread positive changes across social, communication, and academic domains. Unlike highly structured…

Pre-speech Vocalizations(also: Pre-linguistic Vocalizations, Infant Vocalizations)

Sounds produced by infants before the development of recognizable speech, including cooing, babbling, and other vocal productions. Pre-speech vocalizations are important predictors of later articulation and language abilities, and their analysis can help identify children at…

Prelinguistic Development(also: Pre-Speech Development, Prelinguistic Communication)

Prelinguistic development refers to the stages of vocal and communicative development that occur before an infant produces meaningful words, typically spanning from birth to approximately 12-18 months. This development progresses through recognized stages: the Phonation Stage…

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