Can you do two things at once?

Can you do Both at the same time?

Many people are convinced they can handle and talk on cell phones, others believe they can solve math problems and talk to someone.

The brain has several functions, some are autonomous, such as breathing, heartbeat maintain, walking ...

Others are intellectual functions such as learning, reasoning, analysis, judgment, creativity, subjective thinking, synthesis.

The brain can not handle two intellectual functions simultaneously!

And then perceive why we are doing two things at once?

What happens is that the brain deals TURN those two things, at intervals range from fractions of seconds, two or three seconds.

Someone is driving and talking on Phone. In the seconds that the brain is dealing with the telephone conversation, there is high risk of having an accident.