Cell Rep: So amazing! Your left hand can know what the right hand wants to do.
Release date: 2016-12-16
As the saying goes, "Your left hand doesn't know what your right hand is doing," but in fact, your left hand will notice this more than you think; a recent research report published in the international magazine Cell Reports comes from Researchers at Tel Aviv University in Israel have found that when people use their right hand for finger exercises and watch their left-handed movements in 3D virtual reality headsets, people can be more effective on their left hand once they have finished exercising. Use, related research may help researchers develop new strategies to improve physical therapy for people with limited hand strength.
Researcher Roy Mukamel said that we are deceiving the brain, and the whole study is a typical example of the perfect combination of software engineering and neuroscience. When the basic test was completed to assess the initial motor skills of each participant's hand, 53 participants wore virtual reality helmets that helped to demonstrate the body's simulated arm. In the first test, participants completed with their right hand. A series of finger movements, while the virtual left-hand movement mode appears on the helmet screen; the next step is to wear a mobile glove in the left hand, which can move the finger to match the movement of the left hand with the right hand, as the action occurs. The virtual left-handed movement of the participants will again appear in the helmet.
After analyzing the results of the study, the researchers found that when the screen shows the left hand, the performance of the left hand is significantly improved, but when the virtual reality screen shows the left hand movement, while the mobile glove is in the real right to the right hand The most significant improvement occurs when moving. The researchers also used fMRI to track which parts of the brain were active during the participants' experiments. They found that during each person's training, the mental rotation in the brain was mainly in the upper parietal lobe (SPL) area. The activation state, at the same time, the activity level of the region is directly related to the improvement of the left hand performance ability, and the more active the left hand, the better the performance.
Researcher Mukamel said that from a technical perspective, conducting these experiments is a huge challenge. We can handle what people see and combine them with the passive movement of the hand to clarify that the palm of the body is not in control. The way you learn when you exercise. At the same time, the researchers showed a very optimistic attitude towards this study. They believe that the results of this study can be applied to patients who are undergoing physical therapy procedures, who often have no power or control over their hands.
Finally, the researcher Mukamel pointed out that we need to show a way to get high-performance "benefits" comparable to other types of therapies. If we don't freely move one hand to move it, then it might make The movement of the palm can be more significantly improved.
Source: Bio Valley (micro signal BIOONNEWS)
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