How Baby's Brain Develops?

Diagramatic representation on Brain cell

A baby starts learning right from birth, contrary to our assumption that the newborn is eating or sleeping almost all the time. The baby's brain develops the capacity to learn, which is the foundation of their intelligence for an entire life-time.

Baby’s brain is built over time: It starts during fetal stage (pregnancy), and continues through to early adulthood. And like a building, it needs a strong foundation.

At birth newborn’s brain contains 100 billion brain cells called ‘Neurons’. Brain has almost all the neurons at birth itself that it will ever have in the entire life. 

Baby’s brain wiring is not fully connected at birth. It is very active, changing and developing in response to what’s going on all around them. It is the day-to-day experiences—activities like playing, being read to, learning, and interacting and being responded to by people—that helps to develop your baby’s brain.

The Baby’s brain is like a sponge. It can absorb whatever it sees, hears, smells, touches and tastes.


Sensory organs send every input that it receives as a signal / message through its pathways to the brain cell called neuron.

Each neuron has 3 major parts: Nucleus, Dendrites and Axons. Nucleus saves this as memory and also forms new connections with other neurons via dendrites and axons to analyze the received information and choose an appropriate response. Then the sensory pathways convey the response to the sensory organs accordingly. This response is the outcome that we observe as an action done by the baby also known as milestones.

Every action that baby does like moving hands towards object, turning face holding head, turning around, crawling are all an outcome of the sensory developmental process.

As the messages are repeated over and over, more links are made and “neural pathways” are formed. Think of these pathways as the brain’s “wiring.” In the first years of life, these connections develop at an extremely fast pace.

How well all the wiring gets set up—that is, how your baby’s brain develops—will affect her ability to learn language, solve problems, and do well in school. Later in life, it can affect baby’s physical and emotional health and how one gets along with other people.

Loving relationships and stimulating experiences are vital for your baby’s development since they give your baby opportunities to communicate, move and learn about their world.