The pen activates the, when you move a pen, it activates the logic, critical analysis part of the brain.

Because your brain is a prediction machine. It's constantly predicting what's going to happen next based on the world around you and what you're trying to do.

But now with brain research, they can show you that when you transcend, when you really experience the deepest level of life, the full brain is engaged. And it's the only experience that brings the whole brain into cohesion.