想象一个苹果：无心灵之眼的人能否训练出视觉意象？

Some of us can imagine objects so vivid they seem real, while others see nothing at all. Is it possible to change? Shayla Love investigates L AST December, I closed my eyes and tried to visualise a potoo. This tropical bird has a “round, kind of pill-shaped head”, my mental imagery coach described to me, and is covered with brown feathers. Its cartoonishly large mouth opens like a gaping smile to reveal a pink, fleshy colour, and its large irises can make its eyes seem entirely black. Perhaps an image is appearing in your mind – a fuzzy outline of a bird’s body or a clear picture of its face. But I struggled to see anything. …