It's the feeling of personally remembering. For semantic memories, this sense is not as strong—you can have detached knowledge without the context of "how" and "when." For instance, I know that ...

Sand has a memory of sorts. Press into a loose pile of dry grains and something moves, not just where your finger sits, but farther out, ahead of where you have not yet reached. That disturbance ...

This is read by an automated voice. Please report any issues or inconsistencies here. See more from the L.A. Times in Google Search. Set us as preferred Scientists have found that memories are not ...

We know our past selves have changed—physically, emotionally, cognitively, interpersonally—but we also know that we are the same person from childhood into early adulthood and beyond. It's easy to ...