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Erik Erikson and Carl Jung proposed stage theories [2] [3] of human development that encompass the entire life span, and emphasized the potential for positive change very late in life. The concept of adulthood has legal and socio-cultural definitions. The legal definition [4] of an adult is a person
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 ...
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]
The association between aging and retirement can bring about a reappearance of bipolar tensions of earlier stages in Erikson's model, meaning that aspects of previous life stages can reactivate because of the onset of aging and retirement. [40] Development at this stage also includes periods of reevaluation regarding life satisfaction ...
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 ...
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 . [ 1 ]
The definition and determination of maturity has been applied to the issue of criminal responsibility of juvenile offenders and to a number of legal ages. The age of majority, the most broadly applied legal threshold of adulthood, is typically characterized by recognition of control over oneself and one's actions and decisions. The most common ...