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Genetic factors play a major role in determining the growth rate, particularly in the characteristic changes in proportions during early human development. However, genetic factors can produce maximum growth only if environmental conditions are adequate, as poor nutrition, frequent injury, or disease can reduce the individual's adult stature ...
Physical development. Typically grows between 1 and 1.5 inches (2.5 and 3.8 cm) and gains about 2 pounds (910 g). [20] Motor development. Hands kept in tight fists. [21] Equal movement of arms and legs on both sides. [21] Able to briefly hold up head when in prone position. [21] Arm thrusts are jerky. [22] Brings hands close to eyes and mouth. [22]
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. Fertilization occurs when the sperm cell successfully enters and fuses with an egg cell . [2]
EDP is closely linked to the theoretical framework of evolutionary psychology (EP), but is also distinct from EP in several domains, including research emphasis (EDP focuses on adaptations of ontogeny, as opposed to adaptations of adulthood) and consideration of proximate ontogenetic and environmental factors (i.e., how development happens) in ...
Plus, why these common statements may negatively impact your kids. Related: 12 Phrases Psychologists Are Begging Parents and Grandparents To Stop Saying to an Oldest Child Impacting a Child’s ...
Development at this stage also includes periods of reevaluation regarding life satisfaction, sustainment of active involvement, and developing a sense of health maintenance. [41] Developmental conflicts may arise in this stage, but psychological growth in earlier stages can help significantly in resolving these conflicts. [42]
Human embryonic development or human embryogenesis is the development and formation of the human embryo. It is characterised by the processes of cell division and cellular differentiation of the embryo that occurs during the early stages of development.
In one of his last books, Equilibration of Cognitive Structures: The Central Problem of Intellectual Development, he intends to explain knowledge development as a process of equilibration using two main concepts in his theory, assimilation and accommodation, as belonging not only to biological interactions but also to cognitive ones.