Mankind is accustomed to sound and sight. Our feelings are mostly controlled by sound and light. When we hear some noise or disgusting sounds, we soon feel bad. When we see some gross or disgusting sights these also affect what we want to do. Of course, your concentration and relaxation are deeply damaged. As you already learned, it is all the work of our brain. That is to say, our brain is controlled by seeing and hearing. It could also be from images that pop up in our mind.
eMIND is a device that boosts your concentration up and relaxes your mind by using light and sound to induce positive brain waves; it is also a micro-sized electronic device that provides you sound rest and relaxation, lessening your short term memory loss. Portable and stylish design plus handy use earn the most popularity among young people
nowadays.