A STIMULATING THERAPY could be music to ears with Alzheimer’s.
In dementia, sound-stimulation at 40 hertz appears to increase cognition, clarity and alertness. See more.
- Short-Term Effects of Rhythmic Sensory Stimulation in Alzheimer’s Disease: An Exploratory Pilot Study. Journal of Alzheimer’s Disease, Mar 25, 2016
- CTV News – The sound of healing: Study says sound-stimulation could help Alzheimer’s patients
Here's a link that does work (at the moment): https://www.ncbi.nlm.nih.gov/pubmed/27031491
There are lots of 40hz vids on YouTube.