According to experts death is noted by a final wave of electrical activity in our brains known as “spreading depression.” The “spreading depression” is a last flurry of activity that happens in the brain before it shuts down finally , according to the experts. This discovery suggest that it may be possible to reboot the brain for as long as three to five minutes after a human heart stops beating or when ceases to show signs of life. By the use of electrodes planted in the brains of the patients, the neurologists discovered that after the heart stops beating, cells and neurons in the brain continue to perform their functions. And till the ‘spreading depression’that these neurons cease activity few minutes after the heart has stopped pumping blood and oxygen through the body.
