Brynn Koch's Timeline

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    Prenatal Development & Birth

    Prenatal Development: This is the first stage of development, and it is divided into three periods, or trimesters.
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    First Two Years

    Biosocial: Infants begin to develop emotions, also they develop seperation anxiety and stranger wariness. Cognitive: Infants begin to develop depth perception and they also begin to grasp things. Psychosocial: Infants engage in attachment behaviors. They also only appear to have 2 identifiable emotions which are distress and contentment.
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    Play Years

    Biosocial: During this stage the child goes through body changes and brian developments. They also mastering motor skills. Cognitive: During this stage children are capable of symbolic and preoperational thoughts. Psychosocial: During this stage antisocial and prosocial behavior start to show. Also they learn social skills through play.
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    School Years

    Biosocial: Hand-eye coordination, balance, & judgment of movement as well as reaction time are key activities that are all still developing during the school years. Cognitive: They develop logical principles like classification, identity, reversibility, and inversion. Psychosocial: Children begin to cope with problems, they learn moral reasoning, they have peer groups, and an expanding social world.
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    Biosocial: Puberty begins, to some extent hormonal changes cause emotional change. Adolescents need extra nutrition to support there growth spurt. Sexual characteristics come in for both male and female.
    Cognitive: The teenager aquires the ability to think systematically about all logical relationships within a problem. Teenagers always develop there own view on the world.
    Psychosocial: Often understood as a search for identity, for a consistent understanding of oneself.
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    Emerging Adulthood

    Biosocial:Most emerging adults believe that marriage is a serious & desirable commitment that they except to achieve. Senescene, homeostasis, and organ reserve are all things emerging adults go through.
    Cognitive:Years of education are strongly correlated with virtually every measure of adult cognition, even more so than age & SES.
    Psychosocial: A sizable proportion of adults report having a "happiness bump" in their mid 20s. People are at their peak in strength, sexual impulsiveness, health,
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    Biosocial: Signs of the body and the brain appear, along with senescence. Also the 5 senses become less acute during this stage. Sexual reproductive systems also change for both men and women.
    Cognitive: In this stage there is a decline in all 5 primary mental abilities. Another thing that changes in this stage is reasoning. Studies show that in this stage in life your IQ declines.
    Psychosocial: Many personal changes occur in this stage. Only 5 personality traits stay the same during this stage.
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    Late Adulthood

    Biosocial: Ageism and primary aging begin in this stage. A state of physical decline happens as well.
    Cognitive: Changes in information processing happens during this stage. Sensory registration declines little by little in this stage as well.
    Psychosocial: Self and stratification theories happen in this stage, Also social convoy with family members, friends, and even strangers.