Résumé du développement à tous les âges
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Résumé du développement à tous les âges

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  • Notes d'étude
  • Révisions du sujet
    Md.Nur-E- A.
    BD
    Md.Nur-E- A.

    gradually change

    Kagoya J.
    UG
    Kagoya J.

    Late adulthood, 65-70's old in an industrialized country have 20% of nerve cells that where present at birth. this leads to less acuity but not capacity.

    Rita N.
    AL
    Rita N.

    human development, the process of growth and change that takes place between birth and maturity. Human growth is far from being a simple and uniform process of becoming taller or larger. As a child gets bigger, there are changes in shape and in tissue composition and distribution. In the newborn infant the head represents about a quarter of the total length; in the adult it represents about one-seventh. In the newborn infant the muscles constitute a much smaller percentage of the total body mass than in the young adult. In most tissues, growth consists both of the formation of new cells and the packing in of more protein or other material into cells already present; early in development cell division predominates and later cell filling. hormones also affect growth in children and infants,the main hormones concerned with growth are pituitary growth hormone, thyroid hormone, the sex hormones testosterone and estrogen, and the pituitary gonadotropic (sex-gland-stimulating) hormones. Pituitary growth hormone, is a protein and of known amino-acid composition, is secreted by the pituitary gland throughout life and in the child it is necessary for growth;The hormone decreases the amount of fat and causes protein to be laid down in muscles and viscera. Children who lack it are fat as well as small; when given it by injection, they lose fat and grow rapidly. Thyroid hormone from the thyroid gland in the neck is necessary for normal growth, though it does not itself stimulate growth, for example, in the absence of pituitary growth hormone. Without thyroid hormone, however, cells do not develop and function properly, especially in the brain. Babies who lack thyroid hormone at birth are small and have insufficiently developed brains; they are known as cretins.Testosterone, secreted by the interstitial cells of the testis, is important not only at puberty but before. Its secretion by the fetal testis cells is responsible for the development of certain parts of the male genital apparatus. If testosterone is not secreted at a particular and circumscribed time, the genitalia develop into the female form.The female sex hormones, collectively called estrogens, are first secreted in quantity at puberty by cells in the ovary. They cause growth of the uterus, , and breast; they act also on the bones of the hip, causing the specifically female widening. The adolescent growth spurt in the female is probably caused by testosterone-like substances (androgens) secreted by the adrenal gland in both male and female.Numerous factors may retard maturation or prevent normal growth, including hormonal disorders, metabolic defects, hereditary conditions, and inadequate nutrition.

    Hafsah D.
    NG
    Hafsah D.

    As we grow,we pass through different stages in life.we begin too develope different changes in our body,which result to as,physical changes,emotional changes,spiritual and mental changes.

    Hafsah D.
    NG
    Hafsah D.

    When there is high rate of growth what occur

    Bitrus S.
    NG
    Bitrus S.

    Major development can be observed by brain growth in users to adulthood.

    Helen F.
    GB
    Helen F.

    Anyone else think this info could be displayed in a more attractive way?

    Zeeshan J.
    AU
    Zeeshan J.

    Developmental psychology is the study of how people grow and change. These changes traditionally looked at how people's thoughts, feelings, behaviors and physical bodies changed and grew in childhood and adolescence. For a very long time, experts thought that development only happened up to a certain point. Once a person reached adulthood, psychologists believed, they were pretty much done with growth and change. Now, though, we know better. Look at Gina: her life is full of change, and she is growing and changing every day. She's not the same now as she was ten years ago; she's learned new things and lost some skills, too. Life span development is the study of how humans grow and change throughout their entire life. For example, Gina's grandson, Timmy, is just now learning how to talk and walk. Meanwhile, Gina is learning how to handle stress better. At the same time that her grandson grows taller, Gina's having to deal with new aches and pains and other changes in the way her body functions. Let's look closer at some key principles in life span development: multidimensionality, multidirectionality and plasticity.

    Samuel J.
    BJ
    Samuel J.

    THAT MEANS OLDER PEOPLE MUST NEED MORE CARE THAN OTHERS AT THE LATE ADULTHOOD. ISN'T IT?

    Zachary B.
    US
    Zachary B.

    What is summary of development across the lifespan?at is

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