“…Existing reviews on physical environmental interventions for people with dementia demonstrate the positive effects some strategies can have on quality of life ( Day, Carreon, & Stump, 2000 ; Fleming, Crookes, & Sum, 2008 ; Gitlin, Liebman, & Winter, 2003 ), affect and behaviour ( Beck, 1998 ; Cohen-Mansfield, 2001 ; Daykin, Byrne, Soteriou, & O’Connor, 2008 ; Padilla, 2011 ) and spatial/perceptual abilities ( Caffò et al., 2013 ; Marquardt, 2011 ; Letts et al., 2011 ). For example, Padilla (2011) reviewed 33 papers and found features such as a visually complex environment, music and light therapy reduced agitation and negative behaviours.…”