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The infant is undergoing many adaptations to extrauterine life, and its physiological systems, such as the immune system, are far from fully developed. Potential diseases of concern during the neonatal period include: Neonatal jaundice; Infant respiratory distress syndrome; Neonatal lupus erythematosus; Neonatal conjunctivitis; Neonatal tetanus
Infants are usually born weighing between 5 pounds 8 ounces (2,500 g) and 8 pounds 13 ounces (4,000 g), but infants born prematurely often weigh less. [17] Newborns typically lose 7–10% of their birth weight in the first few days, but they usually regain it within two weeks. [17]
Infant cognitive development is the first stage of human cognitive development, in the youngest children. The academic field of infant cognitive development studies of how psychological processes involved in thinking and knowing develop in young children. [ 1 ]
These periods are divided into three stages. The first stage occurs in the first 30 minutes of life; during this stage the infant is alert and responsive with heart rate peaking at 160-180 beats per minute and then stabilizes to a baseline rate of 100-120 beats per minute. Crackles upon auscultation and irregular respirations are a normal finding.
According to Piaget, when an infant reaches about 7–9 months of age they begin to develop what he called object permanence, meaning the child now has the ability to understand that objects keep existing even when they cannot be seen. An example of this would be hiding the child's favorite toy under a blanket, and although the child cannot ...
Human embryonic development refers to the development and formation of the human embryo. It is characterised by the process of cell division and cellular differentiation of the embryo that occurs during the early stages of development. In biological terms, human development entails growth from a one-celled zygote to an adult human being.
There is a debate among scientists regarding the extent to which newborn infants are capable of forming memories, the effects of any such memories on their personality, and the possibility of recovering them from an unconscious mind, which itself is the subject of argument in the field. A widespread assumption concerning the prenatal phase was ...
The Synactive Theory of Newborn Behavioral Organization and Development [1] [2] (Synaction n., or Synactive adj. [from the Greek syn “together” and the Latin actio “action,” resulting in: “together in action”]) suggests that development of the human fetus, and later newborn, proceeds through the constant balancing of approach and avoidance behaviors, leading to: (1) a continuous ...