“…Several studies refer to sensory stimulation by the natural environment or landscaped garden, ( 8 , 41 , 43 , 45 , 52 ). Examples include the possibility to enjoy visual stimuli ( 41 , 43 , 45 ), smells ( 41 , 43 , 45 , 47 ), sounds ( 13 , 43 , 45 ), tactile interactions with plants ( 41 , 43–45 , 47 , 50 ) and beauty ( 8 , 43 , 52 ). One study speaks about ‘sensory gardens” ( 52 ), in which sensations and beauty can be experienced with different senses, such as esthetically experiencing of colors and smells, and touching the plants and the soil ( 8 , 13 , 45 ).…”