Susannah Walker
![Susannah Walker](https://greatergood.berkeley.edu/images/jcogs_img/cache/avatar_358026_-_abcdef_-_c712674cc692b8f1d8bc813d598e3302f0aceaa0.jpg)
Susannah Walker, Ph.D., is a reader in behavioral neuroscience at Liverpool John Moores University.
Susannah Walker, Ph.D., is a reader in behavioral neuroscience at Liverpool John Moores University.
Gentle physical touch stimulates "cuddle nerves" that lead to beneficial changes in the brain.