What is the critical period of brain development? At what age does the brain become set in stone? Can structural changes happen in the brain after the critical period is over? During the critical period, unused parts of the brain can change themselves to perform functions different from their original functions. In the past, the belief was that once this critical period was over, the brain was set in stone. However, we now know that the brain retains its potential for structural change. Here’s why the brain doesn’t become set in stone once the critical period is over.
What Is the Critical Period of Brain Development?










