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Youth has a certain unique quality in a person's life; it is a bridge between childhood and adulthood. Youth is a time of radical change—the great body changes accompanying puberty, the ability of the mind to search one's own intentions and the intentions of others, the suddenly sharpened awareness of the roles society has offered for later life.
In biological terms, human development entails growth from a one-celled zygote to an adult human being. Fertilization occurs when the sperm cell successfully enters and fuses with an egg cell . [2] The genetic material of the sperm and egg then combine to form a single cell called a zygote and the germinal stage of prenatal development commences.
As genetic factors and events during prenatal life may strongly influence developmental changes, genetics and prenatal development usually form a part of the study of child development. Related terms include developmental psychology , referring to development from birth to death, and pediatrics , the branch of medicine relating to the care of ...
Neural development focuses on how the brain changes and develops during different stages of life. Studies have shown that the human brain undergoes rapid changes during prenatal and early postnatal periods. These changes include the formation of neurons, the development of neural networks, and the establishment of synaptic connections. [61]
The theory is centered around changes often experienced during the transition from adolescence to adulthood. This time period takes place usually between the ages of 18 and 29. [ 18 ] The concept of emerging adulthood is new, and likely developed due to growing numbers of college attendance and other social, economic, and cultural changes that ...
Several changes occur throughout adolescence and emerging adulthood. Adolescents begin to learn and use coping strategies in order to navigate the choices and crises of emerging adulthood. During emerging adulthood, males and females both use problem-solving-oriented coping most often.
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]
Able to carry on adult-like conversations; asks many questions. Learns 5 to 10 words a day; vocabulary of 10,000–14,000. Uses appropriate verb tenses, word order, and sentence structure. Social and emotional. Uses language rather than tantrums or physical aggression to express displeasure: "That's mine! Give it back, you dummy."