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Further growth and development continues after birth, and includes both physical and psychological development that is influenced by genetic, hormonal, environmental and other factors. This continues throughout life: through childhood and adolescence into adulthood. [1]
Physical development. Typically grows at a similar rate to the previous month, usually growing between 1 and 1.5 inches (2.5 and 3.8 cm) and gaining about 2 pounds (910 g). [23] Resting heart rate is usually between 80 and 160 beats per minute, and it typically stays within that range until the infant is about one year old. [18] Motor development
The speed of physical growth is rapid in the months after birth, then slows, so birth weight is doubled in the first four months, tripled by 1 year, but not quadrupled until 2 years. [85] Growth then proceeds at a slow rate until a period of rapid growth occurs shortly before puberty (between about 9 and 15 years of age). [86]
Early childhood development is the period of rapid physical, psychological and social growth and change that begins before birth and extends into early childhood. [1] While early childhood is not well defined, one source asserts that the early years begin in utero and last until 3 years of age. [1]
Although physical growth is a highly regular process, all children differ tremendously in the timing of their growth spurts. [69] Studies are being done to analyze how the differences in these timings affect and are related to other variables of developmental psychology such as information processing speed.
This directional growth can occur via a plant's response to a particular stimulus, such as light (phototropism), gravity (gravitropism), water, (hydrotropism), and physical contact (thigmotropism). Plant growth and development are mediated by specific plant hormones and plant growth regulators (PGRs) (Ross et al. 1983). [40]
Gesell and his colleagues documented a set of behavioral norms that illustrate sequential & predictable patterns of growth and development. Gesell asserted that all children go through the same stages of development in the same sequence, although each child may move through these stages at their own rate [ 3 ] Gesell's Maturational Theory has ...
The growth of the brain is followed by a surge in cognitive abilities. Around the age of five, children start speaking properly and master their hand-to-eye coordination. [4] It is optimal that an environment is provided that encourages physical development and allows the children to explore and try out new things.