Adoles... | Developmental Psychology : Childhood And

: Children begin developing "self-concept" and sensitivity to others' evaluations as early as 24 months. The Transformation of Adolescence

: According to Jean Piaget's theory, children progress through stages like sensorimotor (birth–2 years), where they learn through physical interaction, and preoperational (2–7 years), where symbolic thinking begins. Developmental Psychology : Childhood and Adoles...

Childhood (birth to approximately age 10) is a period of rapid growth where the brain establishes its fundamental wiring. This article explores the core phases of and

This article explores the core phases of and adolescence , highlighting the major biological, cognitive, and social shifts that define human development. The Foundation of Childhood Adolescent Development - Cleveland Clinic

: Early childhood is marked by mastering motor skills, such as crawling and walking, which in turn fuels cognitive growth like spatial reasoning.

Previously thought to end at 18, recent research suggests actually extends into the early 20s or even the early 30s as the brain continues to reorganize for efficiency. Adolescent Development - Cleveland Clinic