This book investigates the role of interior design in the enhancement of the effectiveness of Non-Pharmacological therapies for Alzheimer’s disease care. The author presents the conceptual model for an environmental system called “Therapeutic Habitat”, meant as a system of environmental interventions, based on tangible and intangible aspects, products and furniture, objects and services. Its aim is to enhance the well-being of people with dementia and stimulate recognition and interaction with the surrounding environment.