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Brain death is used as an indicator of legal death in many jurisdictions, [6] but it is defined inconsistently and often confused by the public. [7] Various parts of the brain may keep functioning when others do not anymore, and the term "brain death" has been used to refer to various combinations.
The certification applies to somatic death, corresponding to death of the person, which has varying definitions but most commonly describes a lack of vital signs and brain function. [9] Death at the level of cells, called molecular death or cell death , follows a matter of hours later. [ 10 ]
After brain death the patient lacks any sense of awareness; sleep-wake cycles or behavior, and typically look as if they are dead or are in a deep sleep-state or coma. Although visually similar to a comatose state such as persistent vegetative state, the two should not be confused. Criteria for brain death differ from country to country.
Mordechai Dov Brody (September 10, 1996 – November 4 or 15, 2008), [1] [note 1] nicknamed Motl or Motyl, was a 12-year-old Hasidic Jewish boy from Brooklyn, New York, United States. After a brain tumor stopped his brain functioning, doctors declared him legally dead on November 4, 2008, but his parents refused to accept the legal definition ...
The 36-year-old was in the coma-like state for 10 months as doctors believed he was brain dead. ... He remembered watching her struggle to fight the disease for 10 years before her death, a time ...
Today, where a definition of the moment of death is required, doctors and coroners usually turn to "brain death" or "biological death" to define a person as being dead; [27] people are considered dead when the electrical activity in their brain ceases. [28] It is presumed that an end of electrical activity indicates the end of consciousness. [29]
Brain Dead, brain dead or brain-dead may refer to: Medicine. Brain death, the irreversible cessation of all brain activity; Cinema and television Brain ...
The phenomenon has been observed to occur several minutes after the removal of medical ventilators used to pump air in and out of brain-dead patients. [4] It also occurs during testing for apnea—that is, suspension of external breathing and motion of the lung muscles—which is one of the criteria for determining brain death used for example by the American Academy of Neurology.