The use of touch screens of smartphones changes the way thumbs and brain work together, resulting in increased brain activity, according to a study published today in the journal Current Biology.
The advent of touch screens countless devices, eg smartphones, have made users to develop new skills with the fingers, especially the thumb, which are the employees on a “smartphone”.
Arko Professor Ghosh led a team of Swiss Universities of Zurich and Fribourg, realizing that the obsession with the use of smartphones could give them the opportunity to analyze the daily brain plasticity and understand how everyday life shapes it.
“The digital technology we use in our daily life molds the sensory processing of our brains in a proportion that surprised us,” said the doctor.
Each region of the body has a specific area in the emotional center of the brain where information is processed, which is flexible and can change.
So, the researchers studied the activation of the sensorimotor cortex, which is activated by the movement of the fingers. To do this they performed electroencephalograms measuring the activity of cortical regions of the brain in 37 right-handed people.
Thanks to the EEG recorded brain response when smartphone users touching the screen with your thumb, index and middle , to then compare it to the people who are still using old traditional mobile keypads.
The data revealed that electrical activity in the brain of users “smartphone” increased by touching the tips of the three fingers above.
In addition, the amount of activity in the cerebral cortex associated with the thumb and forefinger was directly proportional to the amount of time the smartphone is used.
Therefore The authors of the study believe that sensory processing in the brain cortex “is continuously remodeled by personal digital technology.”
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