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  2. Horizontal and vertical décalage - Wikipedia

    en.wikipedia.org/wiki/Horizontal_and_Vertical...

    The ability to arrange rods in order of decreasing/increasing size is always acquired prior to the capacity to seriate according to weight. [6] A commonly cited example of vertical décalage "can be observed between the constitution of practical or sensorimotor space and that of representative space " [ 6 ] For example, at the age of 2, a child ...

  3. Piaget's theory of cognitive development - Wikipedia

    en.wikipedia.org/wiki/Piaget's_theory_of...

    This distinction (often overlooked by translators) is emphasized by Piaget & Inhelder, [66] [67] and others [68] + [69] (Appendix p. 21-22). In 1967, Piaget considered the possibility of RNA molecules as likely embodiments of his still-abstract schemes (which he promoted as units of action) — though he did not come to any firm conclusion. [70]

  4. Developmental stage theories - Wikipedia

    en.wikipedia.org/wiki/Developmental_stage_theories

    Jean Piaget's cognitive developmental theory describes four major stages from birth through puberty, the last of which starts at 12 years and has no terminating age: [11] Sensorimotor: (birth to 2 years), Preoperations: (2 to 7 years), Concrete operations: (7 to 11 years), and Formal Operations: (from 12 years). Each stage has at least two ...

  5. Water-level task - Wikipedia

    en.wikipedia.org/wiki/Water-level_task

    Piaget and Inhelder developed the test as part of their work on child development. It was first described in their book The Child's Conception of Space , published in French in 1948, with an English translation appearing in 1956.

  6. Three mountain problem - Wikipedia

    en.wikipedia.org/wiki/Three_mountain_problem

    Piaget came up with a theory for developmental psychology based on cognitive development. Cognitive development, according to his theory, took place in four stages. [ 1 ] These four stages were classified as the sensorimotor, preoperational, concrete operational and formal operational stages.

  7. Developmental psychology - Wikipedia

    en.wikipedia.org/wiki/Developmental_psychology

    Michael Commons enhanced and simplified Bärbel Inhelder and Piaget's developmental theory and offers a standard method of examining the universal pattern of development. The Model of Hierarchical Complexity (MHC) is not based on the assessment of domain-specific information, It divides the Order of Hierarchical Complexity of tasks to be ...

  8. New test may detect Alzheimer's years before tau clumps ... - AOL

    www.aol.com/lifestyle/test-may-detect-alzheimers...

    The presence of neurofibrillary tangles in the brain is one of the key hallmarks of Alzheimer’s disease. These irregular clumps of protein are closely associated with disease progression.

  9. Bärbel Inhelder - Wikipedia

    en.wikipedia.org/wiki/Bärbel_Inhelder

    Bärbel Inhelder grew up as an only child in Switzerland. Her Swedish-born father was a zoologist and her German-born mother was a writer. [1] At a young age Inhelder was moved around in different private and public schools; her father spent time teaching her history, philosophy, nature, and geography.