Some people move through the world with minds that sit quietly in the background. They hear a phrase like “imagine an apple” and nothing happens. No picture, color or scene. Just a blank page. When that discovery made its way across social media a while back, it created an entire wave of confusion. People with lively inner worlds could not understand how anyone could simply not picture things, while people with aphantasia were shocked that others lived with nonstop mental movies. The contrast is almost unbelievable. On one side, a calm brain. On the other, a brain ready to build a full story out of one passing thought. The difference could explain why some people rest easily at night while others are awake replaying moments that happened 12 hours earlier — or 12 years earlier. Plenty of folks fall somewhere in the middle, but the extremes are what make the mind such an interesting place. The quiet mind can move from thought to thought with ease. No spiraling or revisiting. No late…