Gothenburg researchers to use architecture and design to stimulate rehabilitation of elderly patients

They coin the term neuroarchitecture. They pose the quesiton why there is so much focus on the development of environments for children and so little on the elderly

http://www.eurekalert.org/pub_releases/2011-11/uog-aad110111.php

Their focus is the environment within buildings. But similar questions apply to the public realm.