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The net effect is lowering the amount of potassium available for absorption into the blood and increasing the amount that is excreted via the feces. The effect is a reduction of potassium levels in the body, at a capacity of 1 mEq of potassium exchanged per 1 g of resin. [8] [11]
A singular, yet to be replicated, study concluded that long-term use of sign language impedes the development of spoken language and reading ability in deaf and hard of hearing children, and that using sign language is not at all advantageous, and can be detrimental to language development.
Cues such as the caregiver's gaze, body language, gesture, and smile help infants to understand the meanings of words. [19] Social pragmatic theories stress the role of the caregiver in talking about objects, actions, or events that the infant is already focused-in upon.
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.
Two hypotheses have been devised in order to explain how babbling is related to language development. [4] Discontinuity hypothesis – This early hypothesis suggests that babbling has absolutely no relationship to language development. [4] If true, infants would produce a full range of random sounds in no particular order during the babbling stage.
Infants develop their speech by mimicking those around them. Gestures and facial expressions are all part of language development. In the first three months of life babies will generally use different crying types to express their different needs, as well as making other sounds such as cooing.
The developmental changes in infants’ vocalizations over the first year of life are influenced by physical developments during that time. Physical growth of the vocal tract, brain development, and development of neurological structures responsible for vocalization are factors for the development of infants’ vocal productions. [1]
Baby sign language is the use of manual signing allowing infants and toddlers to communicate emotions, desires, and objects prior to spoken language development. [ 1 ] [ 2 ] With guidance and encouragement, signing develops from a natural stage in infant development known as gesture . [ 3 ]