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In accordance with his view that the sexual drive is a basic human motivation, [25] each stage centered around the gratification of the libido within a particular area, or erogenous zone, of the body. [26] He argued that as humans develop, they become fixated on different and specific objects throughout their stages of development.
For example, even young infants appear to be sensitive to some predictable regularities in the movement and interactions of objects (for example, an object cannot pass through another object), or in human behavior (for example, a hand repeatedly reaching for an object has that object, not just a particular path of motion), as it becomes the ...
While interviewing young adults, Jeffrey Arnett found five repeated themes' characteristics as distinctive and pertinent to this stage of emerging adulthood. Below, these characteristics and why Jeffrey Arnett felt they distinguished this developmental period are discussed.
Exceedingly curious about people and surroundings; needs to be watched carefully to prevent them from getting into unsafe situations. Walking development [38] Young toddlers (12 months) have a wider midfoot than older toddlers (24 months). The foot will develop greater contact area during walking. Maximum force of the foot will increase.
Dynamic systems models illustrate how many different features of a complex system may interact to yield emergent behaviors and abilities. Nonlinear dynamics has been applied to human systems specifically to address issues that require attention to temporality such as life transitions, human development, and behavioral or emotional change over time.
Strauss and Howe define a social generation as the aggregate of all people born over a span of roughly 21 years or about the length of one phase of life: childhood, young adulthood, midlife, and old age. Generations are identified (from the first birthyear to last) by looking for cohort groups of this length that share three criteria.
The development of the human mind is complex and a debated subject, and may take place in a continuous or discontinuous fashion. [4] Continuous development, like the height of a child, is measurable and quantitative, while discontinuous development is qualitative, like hair or skin color, where those traits fall only under a few specific phenotypes. [5]
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 ...