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Adult development is a somewhat new area of study in the field of psychology. Previously it was assumed that development would cease at the end of adolescence. Further research has concluded that development continues well after adolescence and into late adulthood.
The main crisis in the Late Adulthood Transition is a person fears that their inner youthfulness is disappearing, and only an old, fatigued, boring person will remain, leaving a person in this period with the task of keeping their youthfulness in a way that is suitable for late adulthood. [1] Levinson The Late Adulthood Transition is also said ...
Mutation accumulation (MA) and antagonistic pleiotropy (AP) are two factors which contribute to senescence. [7] Both MA, and AP contribute to age-related declines in fitness. [8] The accumulation of random, germline age-related mutated alleles is known as mutation accumulation. Note that somatic mutations are not heritable, they are only a ...
Ageing (or aging in American English) is the process of becoming older. The term refers mainly to humans , many other animals , and fungi, whereas for example, bacteria, perennial plants and some simple animals are potentially biologically immortal .
Levinson believed that the pre-adulthood stage, early adulthood transition, early adulthood stage, midlife transition, middle adulthood stage, late adulthood transition, and late adulthood stage made up a person's life. [6] Levinson also believed that the midlife crisis was a common and normal part of development. [6]
While there are variations in definitions, the age ranges do consistently overlap and include late adolescence (15-16 years of age) to early adulthood (24-26 years). This range is considered a critical period in human development characterized by several changes socially, environmentally, and cognitively.
Development before birth, or prenatal development (from Latin natalis 'relating to birth') is the process in which a zygote, and later an embryo, and then a fetus develops during gestation. Prenatal development starts with fertilization and the formation of the zygote , the first stage in embryonic development which continues in fetal ...
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 ...