“…The majority reported positive results on patients’ quality of life, including reduced loneliness and isolation [ 18 , 48 , 51 , 59 ] and improvements in mood and anxiety [ 9 , 18 - 20 , 48 , 53 , 56 , 60 , 61 , 66 ] and agitated behaviors [ 9 , 47 , 52 ]. Feelings of comfort or reduced stress following social robot interventions were also described [ 51 , 52 , 66 ], although 1 study including participants with cognitive decline showed changes in the electroencephalogram, which were indicative of increased stress [ 50 ]. In some studies that focused on participants with dementia, SARs appeared to increase social engagement between patients, caregivers, and family members [ 8 , 16 , 18 , 20 , 21 , 47 , 49 , 52 , 53 , 58 ].…”