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Infants first begin vocalizing by crying, followed by cooing and then vocal play. These first forms of sound production are the easiest for children to use because they contain natural, reflexive, mostly vowel sounds. Babbling usually occurs in all children acquiring language. [4]
Whereas 1-month-olds only exhibit this preference if the full speech signal is played to them, 4-month-old infants prefer infant-directed speech even when just the pitch contours are played. [6] This shows that between 1 and 4 months of age, infants improve in tracking the suprasegmental information in the speech directed at them.
Hazan and Barrett (2000) [6] suggest that this development can cotton into late childhood; 6- to 12-year-old children showed increasing mastery of discriminating synthesized differences in place, manner, and voicing of speech sounds without yet achieving adult-like accuracy in their own production.
Young toddlers acquire one to three words per month. A vocabulary spurt often occurs over time as the number of words learned accelerates. It is believed that most children add about 10 to 20 new words a week. [13] Between the ages of 18 and 24 months, children learn how to combine two words such as no bye-bye and more please. [5]
Developmental linguistics is the study of the development of linguistic ability in an individual, particularly the acquisition of language in childhood.It involves research into the different stages in language acquisition, language retention, and language loss in both first and second languages, in addition to the area of bilingualism.
Language acquisition usually refers to first-language acquisition. It studies infants' acquisition of their native language, whether that is a spoken language or a sign language, [1] though it can also refer to bilingual first language acquisition (BFLA), referring to an infant's simultaneous acquisition of two native languages.
The third stage of speech production is articulation, which is the execution of the articulatory score by the lungs, glottis, larynx, tongue, lips, jaw and other parts of the vocal apparatus resulting in speech. [8] [10] For right handed people, the majority of speech production activity occurs in the left cerebral hemisphere.
As this imitation occurs, parents will guide their children, correcting them and provide challenges for them. Play is an integral part of cognitive development according to Vygotsky, as it is through this play that children gain confidence in their language skills, and start regulating their own thought processes.