It can be as simple as guiding someone to a toilet instead of a urinal, or pausing to consider which pronoun to use when addressing a dementia patient or the person’s partner. Growing awareness of gender identities and sexual orientations is prompting policy changes in law enforcement, medical care and the military. Now, in the Bay Area, advocates hope it will also change how professional caregivers for the elderly interact with LGBT seniors, particularly those with dementia. The city of San Francisco, through its Department of Aging and Adult Services, is funding a $400,000 effort to train hundreds of workers at companies and public agencies on how to better communicate with aging LGBT adults.