, 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 ...

Tickle Kids: The laughter and cute antics of young children win everyone's hearts. Sometimes, people tickle them to cheer them up or make them laugh. We assume the child is enjoying themselves and ...