As I sit here pondering what to write, what is it, exactly, that is doing the pondering? Where do the thoughts come from? How does the three-pound mass of grey matter that is my brain give rise to the ...

Sigmund Freud described the mind as an iceberg with the unconscious mind far exceeding the visible part above the surface. Source: Courtesy of Damian Pang, incorporating images from Annie Spratt ...

When most people are asked to imagine an object, like a cat, they’ll have no problem conjuring a distinct picture in their ...