Video and Multimedia

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Cognitive Development in Children and Adolescents

Summary: In this video, you will learn about the specific stages of mental growth in children and adolescents as outlined by Jean Piaget.

The Mysterious Workings of the Adolescent Brain

Summary: Cognitive neuroscientist Sarah-Jayne Blakemore compares the prefrontal cortex in adolescents to that of adults, to show us how typically “teenage” behavior is caused by the growing and developing brain.

Changes in Cognitive Development During Adolescence

Summary: Watch this video for more information on the cognitive changes that occur in adolescence.

Cognitive Development in Adolescence: Piaget's Formal Operations Stage

Summary: In this video, we'll look at the formal operations stage of psychologist Jean Piaget's cognitive development theory to learn how adolescents think.

Elkind's Theory of Adolescent Egocentrism

Summary: David Elkind's theory of adolescent egocentrism, including what it is and how it impacts the way teenagers think.



Association for Psychological Science

Summary: Older adolescents and adults can learn certain thinking skills, including non-verbal reasoning, more effectively than younger people, according to new research published in Psychological Science, a journal of the Association for Psychological Science. The study highlights the fact that non-verbal reasoning skills can be readily trained and do not represent an innate, fixed ability.

Simply Psychology

Summary: The formal operational stage begins at approximately age 12 and lasts into adulthood. As adolescents enter this stage, they gain the ability to think in an abstract manner by manipulate ideas in their head, without any dependence on concrete manipulation.


Summary: Cognitive development is a psychology topic that is truly fascinating. Learn about Jean Piaget’s theory of the different stages of child development.

Live Science

Summary: Live Science offers a fascinating window into the natural and technological world, delivering comprehensive and compelling news and analysis.