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  2. Child development stages - Wikipedia

    en.wikipedia.org/wiki/Child_development_stages

    Physical development. Typically grows at a similar rate to the previous month, usually growing between 1 and 1.5 inches (2.5 and 3.8 cm) and gaining about 2 pounds (910 g). [23] Resting heart rate is usually between 80 and 160 beats per minute, and it typically stays within that range until the infant is about one year old. [18] Motor development

  3. Child development - Wikipedia

    en.wikipedia.org/wiki/Child_development

    Child development involves the ... is to determine if the child is experiencing a level of nurturance lower than that considered necessary to support normal ...

  4. Development of the human body - Wikipedia

    en.wikipedia.org/wiki/Development_of_the_human_body

    Development before birth, or prenatal development (from Latin natalis 'relating to birth') is the process in which a zygote, and later an embryo, and then a fetus develops during gestation. Prenatal development starts with fertilization and the formation of the zygote , the first stage in embryonic development which continues in fetal ...

  5. Early childhood development - Wikipedia

    en.wikipedia.org/wiki/Early_Childhood_Development

    Early childhood development is the period of rapid physical, psychological and social growth and change that begins before birth and extends into early childhood. [1] While early childhood is not well defined, one source asserts that the early years begin in utero and last until 3 years of age.

  6. Developmental psychology - Wikipedia

    en.wikipedia.org/wiki/Developmental_psychology

    Whether or not normal intelligence increases or decreases with age depends on the measure and study. Longitudinal studies show that perceptual speed, inductive reasoning, and spatial orientation decline. [141] An article on adult cognitive development reports that cross-sectional studies show that "some abilities remained stable into early old ...

  7. Developmental disorder - Wikipedia

    en.wikipedia.org/wiki/Developmental_disorder

    Normal development occurs with a combination of contributions from both the environment and genetics. The theories vary in the part each factor has to play in normal development, thus affecting how the abnormalities are caused. [5] One theory that supports environmental causes of developmental disorders involves stress in early childhood.

  8. Developmental lines - Wikipedia

    en.wikipedia.org/wiki/Developmental_lines

    The framework of developmental lines has been very helpful in allowing us to track 'normal' and 'abnormal' development and has led to some interesting practical lessons. For example, Anna Freud writes that the clinging attitudes at the toddler stage (phase 4) are the result of pre-oedipal ambivalence, not of maternal spoiling as was thought.

  9. Developmental stage theories - Wikipedia

    en.wikipedia.org/wiki/Developmental_stage_theories

    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]