Answer:
your brain completely matures a the age of about 20 years old, this affects are decision making in many ways one way is by how we decide to do things and what is appropriate or not to do when deciding things unlike a baby who does not have a fully developed brain so thy might try to eat and swallow toys.
the prefrontal cortex helps control your emotions and behavior
the limbic system affects your center of control and coordination
the brain fine tunes itself by involving slow changes that are strongly influenced by brain activity and have been evolved to fine tune how neural impulses flow throughout the brain, which allows the brain to process information better and faster as well as more reliable.
Step-by-step explanation: