If we do have such senses, our sensitivity is so weak that it does us no good. This question is especially of interest to those that believe that we have psychic senses that can be developed. Becoming more aware You can become more aware of things, such that your sensitivity increases. Soldiers have learned to see better in the dark by moving their eyes back and forth to enhance what they can see. Others can block out their other senses to listen carefully for low volume sounds.
Concentration increases the sensitivity in that case.
One thing about this is that you become more aware of the sense itself, as well as the world around you. This increases the sensitivity of the sense. When senses are lost When a person loses one of his or her senses, the other senses become more sensitive. For example, a blind person seems to develop a better sense of touch and hearing. Part of this is due to the fact that the brain has less information to process, so you tend to pay more attention to the remaining senses.