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Development (Infancy and Childhood Development (Vygotshys Theory…

- - - - sensorimotor
      - preoperational
      - concrete operations
      - formal operations
  - - - Ericksons Theory
        
        suggests development occurs in a series of eight stages
        
        at each stage an emotional crisis must be succesfully met for normal development
      - Important early concepts
        
        infants demonstrate personality through their temporment, which can also affect and is affected by parenting style
        
        Attachments is very important
- - - - monozygotic twins
        
        one sperm and egg fertilize and split into 2
      - dizygotic twins
        
        two eggs get realased and are fertilizing at the same time in the woumb
  - - - cell specialization continues to occur, resulting in the preliminary versions of various organs
      - embryo is vulnerable to hazards such as diseases and substances ingested by the mother as it receives nourishment through the placenta
      - once attached to the uterus, developing organism is called an embryo
    - - organs continue to develop and become fully functional
      - full-term birth occurs around the end of the 38th week
      - developing organism now called a fetus; time of tremendous growth and development
      - miscarriages, are most likely to occur within the first 3 months
    - - Zygote continues dividing and moves toward the uterus; the placenta and umbilical cord also develop over this time
      - Cell differention is the process that results in specialized cells for all various parts of the body