Your brain is currently expending about a fifth of your body's energy, and almost none of that is being used for what you're ...

Your imagination might feel like a mental replay button, conjuring images, sounds, and sensations from memory - but new research suggests something far more complex is happening behind the scenes.

Learn how imagination works in the brain and why it may come from higher-level systems, not just a replay of sensory experiences. Your imagination might feel like a mental replay button, conjuring ...