“…Anxiety is also increasingly recognized (independently from depression) as a common symptom in older adults individuals living with various aetiologies of dementia, including Alzheimer's disease, vascular dementia, frontotemporal dementia, Lewy body disease, posterior cortical atrophy, dementia associated with Parkinson's disease, and in subjective and mild cognitive impairment, tending to result in poorer quality of life, problematic behaviours, limitations in activities of daily living, nighttime awakening and poorer neuropsychological performance [43,65,69,[77][78][79][80][81][82][83][84][85]. The relationship between anxiety and dementia is however both complex and controversial with overlap between the symptoms of anxiety and dementia and other behavioral and psychological problems such as agitation and depression [10,12,43,62,65,71,73,77,82,[86][87][88].…”