The role of a garden in making Residential Aged Care feel like 'home'

There is a trend in residential aged care facilities to create interactive gardens, making them more like a 'home' than a 'hospital'. These gardens may include raised garden beds, chooks and other pets and picturesque paths. One of these gardens is featured in the article below:

http://www.australianageingagenda.com.au/2015/11/20/gardens-providing-the-home-for-increasingly-acute-aged-care-facilities/