A UCLA study conducted in 2009 revealed that smarter people have a faster mental speed. If you want to boost your thinking power, there are actually a few things you can do. Focusing on a single task for a block of time, for example, can help you to think faster about that task. And believe it or not, taking an improv class can boost your thought processes by forcing to think on your feet under pressure.
Read the full article here: Get Your Neurons in Gear: How to Think Faster