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The delay of adulthood and popularization of remaining young brought about by this revolution led to the development of emerging adulthood. The youth movement, in conjunction with the technology revolution, sexual revolution, and women's movement, were thought to have contributed to the development of emerging adulthood as a stage of life by ...
Adult development encompasses the changes that occur in biological and psychological domains of human life from the end of adolescence until the end of one's life. Changes occur at the cellular level and are partially explained by biological theories of adult development and aging. [ 1 ]
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.
Ontogeny (also ontogenesis) is the origination and development of an organism (both physical and psychological, e.g., moral development [1]), usually from the time of fertilization of the egg to adult. The term can also be used to refer to the study of the entirety of an organism's lifespan.
Levinson used the term "midlife crisis" only to describe the crisis that one undergoes during the Midlife Transition, rather than crises found in other developmental periods. [1] The midlife crisis is a period in development that supposedly happens in middle age, and is characterized by making sudden and large changes, experiencing anxiety, and ...
In medicine and the social sciences, a young adult is generally a person in the years following adolescence, sometimes with some overlap. [1] Definitions and opinions on what qualifies as a young adult vary, with works such as Erik Erikson's stages of human development significantly influencing the definition of the term; generally, the term is often used to refer to adults in approximately ...
Positive adult development is a subfield of developmental psychology that studies positive development during adulthood. It is one of four major forms of adult developmental study that can be identified, according to Michael Commons ; the other three forms are directionless change, stasis, and decline. [ 1 ]
Adult moths and butterflies are easily distinguished from their caterpillars. An adult is an animal that has reached full growth. [1] The biological definition of the word means an animal reaching sexual maturity and thus capable of reproduction. In the human context, the term adult has meanings associated with social and legal concepts.