American neurobiologists pinpointed how many tasks our brain can perform. Their findings showed that we can perform only two tasks simultaneously. Multitasking weakens our focus and the brain activity slows down by several times.
The findings were based on an experiment where individuals were asked to match letters in the text while their brain activity was scanned with magnetic resonance imaging (MRI).
In the second part of the experiment the task was made more complicated. In addition to matching letters, individuals were asked to identify letters with a special print. MRI showed that the brain activity changed. Now each hemisphere performed a single task communicating with the “neighbor”.
But when researchers tried to add another task, the brain of individuals literally rebelled. It was rapidly losing its focus and its activity decreased by nearly four times.
So our brain can’t perform more than two tasks simultaneously.
Source of the image: Photl