, PhD, neurologist and neuroscientist at Providence Saint John’s Health Center in Santa Monica, Calif. The somatosensory cortex analyzes touch and the anterior cingulate cortex perceives pleasure. But ...

Laughter doesn’t always signal enjoyment, and “stop” should mean “stop.” By Jenny Marder When she was a young child, Ashley Austrew’s father would hold her down and tickle her so hard she felt ...

Aysha Bellamy does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

We typically think kids play with toys. In the 1990s, toys started playing back. There were already many toys that moved, lit up and made noise. In the 90s, companies increasingly made toys that were ...