AUTHOR=Morese Rosalba , Palermo Sara TITLE=Feelings of loneliness and isolation: Social brain and social cognition in the elderly and Alzheimer's disease JOURNAL=Frontiers in Aging Neuroscience VOLUME=14 YEAR=2022 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2022.896218 DOI=10.3389/fnagi.2022.896218 ISSN=1663-4365