Department

   The medical center in Jerusalem was a very important observation. How did you find the art, some of the people in a state of coma, can recognize their name and respond to the voices of the people. This discovery was made by a device FMRI. Functional magnetic resonance imaging (FMRI), in contrast to conventional MRI makes it possible to obtain a dynamic picture of brain activity. This is a video that shows brain activity during the execution of a task. This method allows you to create an original picture of the brain that are responsible for specific actions, such as hearing, speech, movement, and so on.

   FMRI usually apply to carrying out the preoperative analysis. Neurosurgeons use the received results to define functioning of various areas of a brain. Information received by means of FMRI, is transferred in operational chambers and helps surgeons to avoid damages of areas of a brain.

   Dr. Levin, made discovery, used FMRI to estimate brain activity of patients who are in a coma. Thus, there was possible a carrying out noninvasive studying of a brain, to trace nervous activity, even when it seemed that at patients total absence of reactions is observed.

   Dr. Levin compared brain activity of healthy people and group of patients who are in a coma, studied their reaction to various irritants - silence, sounds, sounding of own name, opportunity to distinguish unfamiliar and familiar voices.

   FMRI shows what amount of blood gets to various areas of a brain — explained doctor Levin. In her opinion, a large number of reactions to irritants testifies to higher chances of the patient of an exit from a coma. But, as also I noted doctor Levin, lack of activity during diagnostics doesn't speak about lack of activity of a brain as a whole as brain activity of people in a coma can change as well as at healthy people.

   During carrying out research, doctor Levin found activity of a brain in a number of the people being in a coma. One of patients, the young man, could distinguish voices, differently reacted to others names and own. Also, when various actions which influence a certain site of a brain asked to represent it, the patient coped with a task, being thus in a coma.

   The patient asked to present game to tennis to define activity of motor area of a brain, singing to determine activity of acoustical area, walking by a route and so forth. Expected activity of a brain was observed that testifies that the patient who was in a coma understands language and can carry out orders.

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