September 27, 2020

How Many Things Can The Brain Concentrate on at Once?

When we are busy with something that requires the use of sight, the brain reduces hearing to make it easy for us. This is the conclusion of a study conducted by researchers from Linköping University in collaboration with others. The results give researchers a deeper understanding of what happens in the brain when we concentrate on something.

“The brain is really clever, and helps us to concentrate on what we need to do. At the same time, it screens out distractions that are extraneous to the task. But the brain can’t cope with too many tasks: only one sense at a time can perform at its peak. This is why it’s not a good idea to talk on the phone while driving,” says Jerker Rönnberg of Linköping University, professor of psychology with a focus on disability research.

He and his colleagues have investigated what happens in our brains when we are occupied by a visual task. One example is a student is taking an exam, while another is a person driving a car. The researchers also wanted to see how concentration changes when the background noise increases…

Driving or talking? The brain concentrates on one thing at a time

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