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What happens at, and after death? Before we begin we must consider that the most difficult moment to describe is the moment of death itself. Usually, when the brain dies, it is from a lack of blood flow. As soon as the brain dies, it takes that rest of the body to the grave with it. Specialized scans, called EEG scans, were taken at the moment of death. They found something very astounding: during the exact moment of death, there is a burst of energy and activity in the brain.

This entire burst of brain activity is what causes near death experiences. It has been described as almost a kind of cascade of energy. As this energy moves around your brain cells, vivid emotions and memories are triggered. While you are alive, brain cells are constantly electrically charged. It makes the cells act like a magnet, giving them a polarity. During death, all the polarity of your brain cells gets completely messed up. During death, your brain does not just suddenly turn off. It has to slowly fizzle out, because no oxygen means no energy, and no energy leads up to the polarity of your brains cells being shut off. However, the fizzling out itself causes that burst of energy.

At the moment of death, the brain sends a signal to the heart, and the heart starts beating very strangely and out of control. This crazy beating of your heart causes damage to the organ itself. Scientists did a study in which they blocked the signals that the brain sent to the heart, and the heart turned out fine. However, if those signals are not blocked, then your heart would get so damaged that even if you were to be somehow revived, your heart itself would not work anymore. It seems like your brain tells your body to commit apoptosis (The death of cell when it feels that it is unneeded in multicellular organisms). As the moment of death itself comes closer, the heart and brain start to sync up, at least in terms of their activity.

During death, researchers have discovered that there is a flood of over a dozen kinds of neurochemicals, including dopamine, which causes feelings of pleasure. It also produces a chemical called epinephrine, which creates a feeling of alertness. This may be one of the reasons why near-death experiences feel even more real than reality. In fact, many people describe their near death experiences as being just that, a mix of alertness and pleasure. This entire flurry of energy and neurochemicals also goes through your memory circuits, which is why memories can get tossed everywhere.

However, what does a near-death experience feel like in itself? According to NDERF.org, 5% of adults living in the US have had a near death experience. Some people on social media like reddit.com describe it as being peaceful feelings, like slowly fading to black. It may also be like sleeping, with no dreams. That's why some people may be doing one activity, and then wake up in the hospital having no recollection of what just happened. One person described it as feeling the sensation of death sinking in, and a warm, motherly presence appearing.

Out of body experiences can actually be triggered in people using electrical stimulation. This electrical stimulation must be used on only the correct temperoprietal junction, and while it may not create a full blown near-death experience like an actual one does, it may change your perception of reality. When you change them, by electrically stimulating them, it may actually feel like your body is separate from you. This is a big part of some people's near death experiences. There are some stories of people seeing some kinds of hallucinations, such as moving toward the light at the end of a tunnel. This light at the end of the tunnel experience may be caused by the fact that blood flow is restricted to the eye, causing tunnel vision.

There was a neurospecialist on discoverynews.com who had a case of bacterial meningitis and it hit him very quickly. In 2008, it hit his neocortex, which is responsible for sensory perception and conscious thought. It just deactivated a part of his brain. This man described big, puffy pink-white clouds against against a deep, blue-black sky. He also described flocks of transparent, shimmering being that were different from anything that he had ever known on this planet before. He said that a women spoke to him, and told him that he was cherished, and important, and then he awoke in a hospital. He had been in a coma for 7 days. Science itself still has trouble describing these experiences.

I hope you guys enjoyed this article, and have at least a basic understanding of what it may feel like to die, or have a near-death experience.