Most of us know the feeling: you lie in bed replaying the same scenario, asking the same "what if?" questions, and no matter how many times you turn it over, your mind won't let it go. This is the ...

If you replay arguments long after they end, your brain may be seeking reward, not resolution. Here’s how dopamine shapes ...

Your brain’s habit of replaying the same song on a loop is not a glitch so much as a side effect of how memory, reward and ...

A newly identified part of a brain circuit mixes sensory information, memories, and emotions to tell whether things are familiar or new, and important or just "background noise." Led by researchers ...