PSY BEH 101D Lecture Notes - Lecture 36: Squatting Position, Psy
17 Dec 2019
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Lecture: first year: motor development milestones in variations. Following that, babies who back-sleep began crawling later, typically several weeks later than babies who sleep prone. Also, some infants do not follow the standard sequence of motor accomplishments. Ex: many american infants never crawl on their belly or on their hands and knees. They might discover and isiosyncratic form of locomotion before walking, such as rolling. Or they may never locomote until they are upright. In jamaica, approximately of babies skip crawling. Budapest have been found to produce substantial delays in motor development. In some rural chinese provinces, for example, babies are placed in a bag of fine sand, which acts as a diaper and is changed once a day. The baby is left alone, face up, and is visite donly when being fed by the mother. Some studies of swaddling show slight delays in motor development, but other studies show no delays.
