The adolescent brain is under construction: understanding it also means supporting it

Adolescence is a stage of major transformations. Although many of these changes are visible such as physical growth and hormonal shifts there is another process taking place less overtly: brain development.

Harvard Health explains that although the brain reaches its adult size around puberty, it continues to develop through adolescence and into early adulthood. During this period, various areas related to emotions, memory, thinking, decision-making, and impulse control undergo significant changes.

One key feature of this stage is that areas linked to emotions and reward-seeking can show high activity while the frontal regions responsible for functions like planning, reasoning, and impulse control are still maturing.

This helps explain why some teenagers may react intensely in certain situations, seek out new experiences, or make decisions without fully considering their consequences. It does not mean adolescents are incapable of reasoning or making good decisions; rather, they are progressively building the tools that allow them to do so with greater consistency.

Brain development also presents a unique opportunity. Harvard notes that adolescence is a period of remarkable brain plasticity, meaning experiences, environment, and habits can strongly influence its trajectory. Learning to manage stress, set priorities, solve problems, and maintain supportive relationships can help build valuable tools for this life stage.

For parents, understanding this process can reshape how they guide their children. Instead of viewing every mistake as a lack of responsibility or every emotional reaction as simply a bad attitude, it can be helpful to observe what specific skill the teenager needs to build and offer opportunities to practice it.

This does not mean eliminating boundaries. On the contrary, clear limits and expectations can coexist with opportunities for young people to gain autonomy. The goal is to support them as they progressively build greater capacity to make decisions, regulate their emotions, and think long-term.

At INTANGY, understanding brain development allows us to view children and adolescents from a holistic perspective. Each stage brings distinct needs and learning opportunities. Supporting development means recognizing these differences and creating experiences that help every young person unlock their full potential.

Source: Harvard Health Publishing — Your brain is changing