Using your brain to think about what happens to your brain when you die is quite the challenge.
Not being here anymore is a thought that we all often think about, but some viewers are more at ease with the thought of death than they were before.
However, people appear to have been put at ease after watching a simulation of what might happen when your time on this earth is up.
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Taking to his YouTube channel, Zack D. Films has shared a video of a simulation of what some researchers have claimed will happen to our brains when we die.
"Right before you die your brain has a surge of activity causing a type of electrical wave," the content creator begins.
"These waves activate parts of the brain associated with memory and consciousness and this can continue for up to two minutes after death.
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"Now, since there isn't a biological reason for this to happen, some researchers believe that the brain is pre-planned to do this giving you a chance to recall memories one last time."
Taking to the comments, one person thought: "I like the idea of these last few minutes being a feeling of total euphoria like you've never felt before in life, to comfort you during something so frightening."
Another added: "Wait thats actually so sad though. It's like the brain is trying to comfort you and itself before dying by using your best memories."
A third also said: "That’s beautiful. Your brain cares about you, so if you ever feel like nothing cares about you, always remember that you care about you, and that someone matters."
"Isn't it crazy that you'll be the last and only one to ever see your entire life?" someone else pointed out.
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Meanwhile, Dr Rahul Jandial, a dual-trained neurosurgeon and neurobiologist, has studied what happens to our brains after we die.
He told fellow medical expert, Dr Rangan Chatterjee, on his podcast titled Feel Better, Live More: "How the brain dies is powerful and it really has affected me because there's a measurement that shows something very dramatic.
"There are patients who are passing away... the stickers are on the heart, you have an EKG read.
"Typically we used to think of death as flatlining meaning that there's no electrical signal coming from the heart."
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Specifically after official cardiac death: "The brain electricity's not just going, there's a massive explosion of activity, similar to dreaming brain waves, similar to expansive memory brain waves.
"The first few minutes after our heart stops beating, where historically we've thought, this is the time of death, the brain is having its final moment, maybe its best moment."