Dr. Bill Thomas is an international expert on elderhood and geriatric medicine. His latest book, Second Wind: Navigating the Passage to a Slower, Deeper, and More Connected Life, was published by Simon and Schuster in March 2014.

REMEMBER

The concept is elegantly simple: Provide a dementia sufferer with an MP3 player that has been loaded with music tailored to their taste. Let them listen. Ask them about it.