Texting and driving isn't something that a lot of people think about. In fact, 90% of people in a recent AT&T poll said they text and drive. But it's more dangerous than most people imagine.
External Interference Distraction - Irrelevant information that comes from outside of your brain that your mind tries to ignore. Multitasking - Engaging in multiple external tasks, both your primary task and some secondary ones.
Internal Interference Mind Wandering - When your mind wanders away from your current primary train of thought on accident. Internal Multitasking - When you have an external goal but internal thoughts that are unrelated.
The idea of "multitasking,' internal or external, has a positive connotation in our society. So when someone effectively multitasks, their brain releases a small amount of dopamine. This causes a synapse to build itself, making it easier for you to multitask the next time you try this action.
Cognition External Attention - When the environment needs your attention, even if it is contrary to your current goal. Internal Attention - When you deliberately direct your focus to something specific.
Your Prefrontal Cortex You often have no control over external attention. If something is distracting enough, like a text message, it demands your attention for even a few seconds before your Prefrontal Cortex can control your focus again.
Brain Hemispheres Left - Logic and science, your physical bodily control. DRIVING. Right - Creativity, personality, conversations, and communication. TEXTING.
It takes approximately 3 seconds to switch between your hemispheres. At 50 miles per hour, that's 220 feet. Combined with a 10 second text and 3 seconds switching the first time, that's more than 1,000 feet.