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Early Phonology Development in Infants: Theories and Stages

Explore diverse theories of infant speech production and the stages of motor speech development, from the earliest vocalizations to the first 50 words. Learn about the production, perception, and self-organization of phonology in early development. Consulted sources include Smith et al. (1995), Bohn & Polka (1995), and more.

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Early Phonology Development in Infants: Theories and Stages

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  1. Early development of phonology

  2. Diverse theories of infant speech production, i.e., e.g.: • the universal theory (Jakobson 1941) • the articulatory learning theory (cf. Ingram 1989) • the maturational theory (Locke 1983) • the refinement/attunement theory (Oller 1986) refer their diverse predictions to the commonly assumed stages of motor speech development.

  3. Stages of motor speech development (cf. Smith et al. 1995) • the earliest vocalizations • reflexive (0-2 months) • control of phonation (2-4 months) • expansion/vocal play (5-6 months) • canonical babble (7-9 months) • variegated babble and first words (10-14 months) (the prelinguistic stage - up to the first word) • and the period of the first 50 words

  4. Early development of phonology: production, perception and self-organization

  5. The following sources were consulted when compiling the table: Smith et al. (1995), Bohn & Polka (1995), Clement & Koopmans-van Beinum (1995), Kuhl & Meltzoff (1995), Kuijpers (1995), Davis (1995), Studdert-Kennedy (1981), Kent (1992), Werker & Pegg (1992), Jusczyk (1992), Wode (1994)

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