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Hace 5 días · Middle age, period of human adulthood that immediately precedes the onset of old age. Though the age period that defines middle age is somewhat arbitrary, differing greatly from person to person, it is generally defined as being between the ages of 40 and 60.
Hace 4 días · Psychological development, the development of human beings’ cognitive, emotional, intellectual, and social capabilities and functioning over the course of a normal life span, from infancy through old age. It is the subject matter of the discipline known as developmental psychology.
Hace 3 días · Most legal systems define a specific age for when an individual is allowed or obliged to do particular activities. These age specifications include voting age , drinking age , age of consent , age of majority , age of criminal responsibility , marriageable age , age of candidacy , and mandatory retirement age .
Hace 4 días · aging, progressive physiological changes in an organism that lead to senescence, or a decline of biological functions and of the organism’s ability to adapt to metabolic stress. Aging takes place in a cell, an organ, or the total organism with the passage of time.
Hace 2 días · Human life expectancy is a statistical measure of the estimate of the average remaining years of life at a given age. The most commonly used measure is life expectancy at birth (LEB, or in demographic notation e0, where ex denotes the average life remaining at age x ). This can be defined in two ways.
Hace 3 días · Erik Erikson’s theory of psychosocial development outlines eight stages that individuals go through from birth to old age. Each stage represents a unique psychological challenge or crisis that must be resolved to achieve healthy development (Erikson, 1963). 1. Trust vs. Mistrust.
Hace 2 días · Adolescence is a period of transition from childhood to adulthood during which adolescents develop biologically and psychologically and move towards independence. Although we may think of adolescents as a healthy group, many die prematurely and unnecessarily through accidents, suicide, violence and pregnancy-related complications.
