A picture, they say, speaks a thousand words. There’s something magical about colourful shapes and lines that make them attractive to human eyes. Homo Sapiens’ love for pictures dates back to the time when our ancestors lived the life of hunter-gatherers.
Below is a painting from Lascaux Cave. It’s estimated that it was created by our ancestors 15,000–20,000 years ago.
The lizard brain inside our skull — that part of our mental machinery which has remained unchanged for millions of years — is pretty acquainted with pictures, images, and colourful shapes. The ability to recognize shapes, lines, and contours gave our ancestors an evolutionary advantage to survive in a hostile environment.