This difference shows how person can suppress emotions. It is not very good if the difference is too small or too big. Same holds for period for balancing the brain. Both values must be kept in the certain intervals to avoid problems. The important parameter of the brain is sensitivity .
More sensitive people have higher problems with stability than less sensitive people.
However, higher sensitivity means higher intelligence. The less sensitive people can better balance brain but they do not have mostly very high intelligence. Typical people are somewhere between these two borders. Many people are in either of them. Frequency characteristic of the brain As we talk about human brain in terms of dynamic systems, we can use also term frequency characteristics of the brain.