}

The order of the brain, a sign that you have moved something

2006/03/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria

The order of the brain, a sign that you have moved something
01/03/2006 | Elhuyar
(Photo: From archive)

It commands the brain. To lift a leg, point it with your fingers or collect your eyes, however, the order comes from the brain. But the simple imperative is not enough; the brain has to know that the order has been fulfilled and that the necessary movement has been made. In short, the brain must know the position of each part of the body. Scientists from Sydney, Australia, understand how it does.

The brain does not confirm where the body part that has just moved is. It does not confirm if there has been movement, the brain recognizes that that part of the body has moved. There are almost never problems, because the brain orders are fulfilled. But, even if it doesn't move, the brain gives the order that a sense of position change occurs.

The scientists in Sydney have discovered that the brain commands the order: the movements of the patients were prevented through anesthesia and asked to move their hand, the patients did not move their hand and, however, they had the feeling of having been moved. It is clear that the brain commands.

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