Question

How does central nervous system affect human behavior?

Answer 1

As humans develop through adulthood, the nervous system can have profound impacts on their ability to see, hear, learn, and express emotion, among other things.

Explanation:

Upon maturation of the nervous system, several perspectives begin to diverge in the scientific community, as this is the point where the nervous system sustains itself and affects cognitive functioning, learning, and behavior.
https://owlcation.com/stem/Human-Behavior-and-the-Influence-of-the-Nervous-System

While the sympathetic branch deals with fear, the parasympathetic branch tells the body to slow down and relax. This system plays a large role in preparing the body to rest and for digestion. It also plays a part in reproduction, crying, salvation and the release of bodily waste. Both of these behavioral responses to the environment and stimuli are part of the central nervous system.
https://www.reference.com/world-view/nervous-system-affect-behavior-ba1f8b94484d9576

In order to carry out correct behaviour—that is to say, correct in relation to the survival of the individual—humans have developed innate drives, desires, and emotions and the ability to remember and learn. These fundamental features of living depend on the entire brain...
https://www.britannica.com/science/human-nervous-system/Emotion-and-behaviour