Listen to Robin Holabird's review of the film “The Father.” In the world of “silver linings,” one positive trait about Alzheimer’s disease comes with the multifaceted acting opportunities it offers performers. This week’s release of The Father lets Anthony Hopkins join the likes of Julianne Moore, Julie Christie, and Judy Dench. In different movies, they all have taken a dynamic turn leading to Oscar attention as someone facing a cruel loss of memory. That absence creates a form of living dead, not zombies, but people who no longer feel ties to all the kinds of past experiences that brighten life. Or, as in