Many people suspect, fetal brain development is strongly influenced by events outside the womb. For example, if you love to sing and play music, someday your child will "remember" the music.
Intelligence is complex. Therefore, until now, there has been no direct evidence that music can stimulate the fetal brain that later can have a certain IQ. What is clear, about 60-80% of a person's intelligence is usually genetically inherited.
However, the child who used to listen to classical music for a quiet, does tend to be a quiet boy. He also easy to sleep soundly. And sleep has to do with brain development. According to some studies, the nerve cells in the brain to grow rapidly when the child is sleeping. If he slept pretty and quiet. Became maximal brain development.
At the age of 3-6 months, parts of the brain that help children cope with and control the emotions began to grow. He also enjoys the interaction with other people. Of each response given adults around him, he learns that the smiles, tears, and other things he was doing to give back an emotional response.
To help development, try to make a play on words or trying to make sounds together. Then pancinglah child to try to imitate the sounds he liked. Although he has not understood, it could still interact with him via chat, read a story or sing to her.