Each neurotransmitter is made from a specific amino acid through a series of steps that require specific nutrients (called cofactors).nxiety control â using neurotransmitter system priority to find a lasting solution. In addition, other neurotransmitter systems are partially controlled by the serotonin-catecholamine systems. For example, the GABA-glutamate neurotransmitter system is associated with control of anxiety and panic attacks.
The prefrontal cortex is also a repository for information about arousal, which may explain why the prefrontal cortex is involved in regulating attention and distraction. Most neurologists agree that the prefrontal cortex is not fully developed until around the age of 25.
The brain is fully developed around the age of 20-25 like the above say. But making rational decisions has nothing to do with that, you can make those at any age. At about age 23 the final stages of brain development occur. The last part of development to occur is the part of the brain that is involved in rational decision making.