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Infant sleep training. Sleep training (sometimes known as sleep coaching) is a set of parental (or caregiver) intervention techniques with the end goal of increasing nightly sleep in infants and young children, addressing “sleep concerns”, and decreasing nightime signalling. Although the diagnostic criteria for sleep issues in infants is ...
The Wonder Weeks: A Stress-Free Guide to Your Baby's Behavior is a book with advice to parents about child development by physical anthropologist Hetty van de Rijt and ethologist and developmental psychologist Frans Plooij. Their daughter Xaviera Plas-Plooij is a third author of recent editions. It was first published in English in 2003 [ 1] as ...
1 in 8,500 females [ 4] Lethal in males, with rare exceptions. Rett syndrome ( RTT) is a genetic disorder that typically becomes apparent after 6–18 months of age and almost exclusively in females. [ 4] Symptoms include impairments in language and coordination, and repetitive movements. [ 4]
Developmental regression is when a child who has reached a certain developmental stage begins to lose previously acquired milestones. [1] It differs from global developmental delay in that a child experiencing developmental delay is either not reaching developmental milestones or not progressing to new developmental milestones, while a child ...
Statistically, boys are more likely to be affected than girls at a ratio of around 3:2. [15] In 9 out of every 10 children affected, the spasms appear for the first time between the third and the twelfth month of age. In rarer cases, spasms may occur in the first two months or during the second to fourth year of age. [citation needed]
It is the most common cause of death between one month and one year of age. [1] About 90% of cases happen before six months of age, with it being most frequent between two months and four months of age. [3] [1] It is more common in boys than girls. [1] Rates of SIDS have decreased in areas with "safe sleep" campaigns by up to 80%. [11]
Sleep cycle. The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to distinguish it from the circadian alternation between sleep and wakefulness. In humans, this cycle takes 70 to 110 minutes (90 ± 20 minutes). [ 1]
The Bayley Scales of Infant and Toddler Development (version 4 was released September 2019) is a standard series of measurements originally developed by psychologist Nancy Bayley used primarily to assess the development of infants and toddlers, ages 1–42 months. [1] This measure consists of a series of developmental play tasks and takes ...