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Lifespan Development

ICSE · Class 12 · Psychology

Quick revision notes for Lifespan Development — ICSE Class 12 Psychology. Key concepts, formulas, and definitions for last-minute revision.

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Key Topics to Revise

1

3.1 Importance of the Study of Lifespan Development

  • Development is a lifelong process beginning at conception and continuing until death.
  • The study of lifespan development helps individuals understand normal developmental milestones and identify deviations.
  • Parents benefit by understanding and addressing concerns of children and adolescents.
2

3.2 Development, Growth and Maturation

  • Development: Progressive series of changes that are continuous, cumulative, consistent, and individualised.
  • Growth: Quantitative changes (height, weight, size) — has a limit in terms of age; slows or stops after a certain age.
  • Maturation: Gradual unfolding of characteristics dependent on biological factors; pioneered by Arnold Gesell, advanced by Jean Piaget.
3

3.3.1 Physical Development across Infancy and Babyhood

  • Physical development occurs through neural, lymphoid, musculo-skeletal and genital development.
  • Brain weight at birth: 1/8th of body weight → 1/18th at age 10 → 1/25th at age 15 (brain grows proportionally smaller relative to body).
  • Height at birth: 17–21 inches; at end of 2nd year: 32–34 inches.
4

3.3.2 Motor Development across Infancy, Babyhood and Childhood

  • Motor development: Gradual gaining of control over bodily movements.
  • Newborn reflexes are automatic, unlearned responses that aid survival.
  • Key newborn reflexes: Grasping, Moro (embracing reflex), Rooting, Tonic neck (fencing reflex), Babinski (toe fanning), Eye blinking, Stepping, Sucking reflex.

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Key Concepts

Lifespan development refers to the continuousGrowth refers to quantitativeHeredity involves the genetic transmissionUrie Bronfenbrenner proposed that a child'sJean Piaget proposed four invariant

Frequently Asked Questions

What are the important topics in Lifespan Development for ICSE Class 12 Psychology?
Key topics in Lifespan Development include Lifespan Development — Complete Chapter Overview, Overview of Lifespan Development – Chapter Concept Map, Overview of Lifespan Development — Key Concepts. These are the concepts ICSE Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Lifespan Development — ICSE Class 12 Psychology?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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