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The academic field of infant cognitive development studies of how psychological processes involved in thinking and knowing develop in young children. [1] Information is acquired in a number of ways including through sight, sound, touch, taste, smell and language, all of which require processing by our cognitive system. [2]
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]
Physical development. By this age, infants may have doubled their birth weights. They typically grow about 0.8 inches (2.0 cm) and gain about 1 to 1.5 pounds (450 to 680 g) during this month. [28] Fat rolls ("Baby Fat") begin to appear on thighs, upper arms and neck. Motor development. May be able to roll from front to back. [29]
Rousseau's ideas were adopted and supported by educators at the time. Developmental psychology generally focuses on how and why certain changes (cognitive, social, intellectual, personality) occur over time in the course of a human life. Many theorists have made a profound contribution to this area of psychology.
Short title: Birth to 36 months: Boys, Length-for-age and Weight-for-age percentiles: Image title: CDC Growth Charts: United States: Author: NCHS: Keywords
In regards to pupil dimensions, newborns' pupils grow from approximately 2.2 mm to an adult length of 3.3 mm. [2] A one-month-old infant can detect a light threshold only when it is approximately 50 times greater than that of an adult. By two months, the threshold decreases measurably to about ten times greater than that of an adult.
Edelman, in his theory of neuronal development, showed that development occurs in the brain between neuro-networks that overlap and interconnect. The epigenetic process of neural development is grounded in the idea of experience-dependent changes which is development or growth by selectively and simultaneously reinforcing neural pathways. [ 9 ]
MRI can be used to track brain activity, growth, and connectivity in children, [75] and can track brain development from when a child is a fetus. [76] EEG can be used to diagnose seizures and encephalopathy, but the conceptual age of the infant must be considered when analyzing the results.