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During the first month, infants grow about 1 to 1.5 inches (2.5 to 3.8 cm) and gain weight at a rate of about 1 ounce (28 g) per day. [17] Resting heart rate is generally between 70 and 190 beats per minute. [18] Motor development. Moves in response to stimuli. [19] Displays several infantile reflexes, including:
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.
Talking is the next milestone of which parents are typically aware. A toddler's first word often occurs around 12 months, but this is only an average. [23] The child will then continue to steadily add to his or her vocabulary until around the age of 18 months when language increases rapidly. He or she may learn as many as 7–9 new words a day.
These are all major milestones of infants’ cognitive development and motor skills, she explains, and reaching these milestones helps babies to be able to explore and interact with the world ...
Fine motor skills are the coordination of small muscle movements which occur e.g., in the fingers, usually in coordination with the eyes. In application to motor skills of hands (and fingers) the term dexterity is commonly used. The term 'dexterity' is defined by Latash and Turrey (1996) as a 'harmony in movements' (p. 20).
The psychologist evaluated 104 children, of whom 18 were judged to be delayed [14]). The Denver II yielded a high sensitivity rate, correctly identifying 83% of the previously noted delayed children. However, the screening test also identified more than half of the developmentally normal children as delayed, so its specificity (46%) was low.
The Gesell Developmental Schedules claimed that an appraisal of the developmental status of infants and young children could be made. The Gesell Developmental Schedule believes that human development unfolds in stages, or in sequences over a given time period. These stages were considered milestones, or the manifestations of mental development. [1]
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 experiencing developmental regression will lose ...