How long does the human brain continue emitting waves after the heart stops?
337258
After you die the brain live for about 7 minutes. \n\nI have heard that these 7 minutes hold the answer to the question, "what is heaven". I believe in this 7 minute unconscious stupor, you dream. And as everyone knows, time passes at a different rate when you dream. So in these 7 minutes you could be in a dream which is perceived as endless. And in this endless dream you re-live your life and dream of a heavenly place. The body can not perceive the difference between dream states and conscious states, and basically reacts the same to both. So in reality you really do go to heaven, and never wake up. But this is conditional of course on how you lived your life. If you die with a guilty conscious, your last dream will be a direct result of the way you lived. For instance you may have a nightmare after you eat late at night, just as you may go to hell in your last eternal dream if you let a miserable existence. I think religious figureheads caught onto this concept early on and have capitalized on it since.\n\nPlease e-mail me to discuss jodiamon@syr.edu or visit my blog which discusses this subject to death at http://krunkbox.blogspot.com/
861263
It stops the heart from beating.
921540
It's different for each tissue in the body... some examples are: epithelial (skin) cells: 1 month, or neurons (brain cells) : 50 years.
442793
The blood pulsing through your hand causes vibrations or shaking and changes in size too. So as long as you have a pulse, your hands, feet, face, everything will continue to move.
164015
If it is what I'm thinking it is, let me put it into simple words.\n\nImagine a heart. The electric waves that make it beat go down ( from the upper to the bottom side) and leftwards\n \nA rightward axis would mean that the elecrical waves take an alternate way, upper to bottom plus left to right\n\nThat doesn't mean much, for it may be caused by several conditions. This is a finding that can be interpreted only  with clinical examination of your husband.
259472
ELECTRICAL IMPULSES sent down by "nodes" thru conducting pathways towards the atria and ventricles.......these atria and vents r made of muscles which contract on recievin the electrical shocks........and thats when the blood moves forward\nwhen their is no impulse being sent forward........the chambers of the heart relax and get filled with blood.....\n\njust waiting for the next impulse to come by and the heart contracts again\n\nthis goes on n on till u die!
78046
the one of brain's function in human physiology is that on the certain segment of brain controls heart rate. That means brain can order the heart to keep on pump in order to stay alive. \n\nWith each beat, the heart continuously communicates with the brain and body via the nervous system, hormonal system, bioelectromagnetic interactions, and other pathways.
458027
without a pacemaker, such as an intermittent, the heart will continue to go into constant dysrythmia or atrial, ventricular, or sinus fibrillation. this makes it to where the hearts effectiveness(cardiac output) is decreased to nearly if not full asystole(without constriction) and blood will not flow through the body providing oxygen to all the tissues, including "the brain" and you will die due to ischemia- lack of oxygen. the pacemaker "paces" the heart keeping it under control like a kid on Ritalin
948218
Yes because of advances in medicine and medical research we can now keep someone's heart beating and lungs functioning long after their brain has turned to a blob of grey jelly. ain't science grand!
443099
no matter where in the brain a stroke occurs part of the brain dies.  With the cerebellum conducting much of the involuntary actions of the body a stroke could have no effect, but at the same time it could be as significnat as shutting down the heart or stopping the resporatory cycle if that part of the cerebellum dies during the stroke
128468
I believe that brain activity is the definition of death. Even if the heart and lungs have shut down, as long as there is brain activity, the doctors don't consider them dead and will work to revive them. However, if there is no brain activity, they won't.
874507
Studies were done as far back as 1794. It has been determine that some do not die instantaneously and have conscious thoughts for up to 10 seconds
1149812
that could be roughly true\nit depends on what is your heart rate (which as a matter of fact varies a lot through the day, and at different ages it varies too) and how long you live\nFor example babies have heart rates of 120 to 140 beats per minute while adult range from 60 to 100 \n\nIn the hypothetical case that the heart rate was kept constant through your entire life lets say at 60 (To take the lower end) and that you would live exactly 70 years that would be \n\n60 beats per minute times 60 minutes = 3600 in an hour\n3600 beats in an hour times 24 hours in a day = 86400 beats in a day\n86400 beats in a day times 365 days in a year (If all years had exactly 365 days but that is not true either)= 31536000 beats in a year\n\nand finally 31536000 beats in a year times 70 = 2207520000 (2.2 billion).\n\nSO your teacher is right if we take all these considerations but in life sciences the rule is that nothing is kept always constant
559853
it really depends on the person. sometimes u just wait for it to end and there are times when after a breather, u hear a bell (ding! time for round 2!) lol
223477
Yes, brain wave studies have been done on unborn fetuses, and they display periods of being awake and asleep
1122167
That 10% story has fallen to Urban Myth status.  New medical imaging techniques can now show which parts of the brain are in use during particular functions, such as speaking, reading, listening to music, etc.  Turns out that your brain uses many differnt parts to do most functions, but certiain functions TEND to concentrate in particular areas.\n\nWhat remains of the myth, though, may actually help understand what I said in the last paragraph.  Many people who have hade severe brain damage and loss of many functions, can sometimes regain at least some ot those functions when the brain learns to use other, undamaged parts to do what the damaged parts used to.\n\nYeah, a vital organ.  An artificial heart can keep a person going, but with no brain, even a beating heart runs in an empty shell.
1139241
I guess that would depend on how you define "corpse".  If you mean someone whose heart stopped beating a minute ago, then the answer is "sometimes".\n\nAny longer than a few minutes without oxygen, the brain becomes unusable, so for most corpses, the answer is a resounding "no".