Recent developments in the theory and practice of care for persons with dementia have reopened questions, traditionally explored by theologians, to do with the nature of personal identity and its dialectical relationship to social recognition. This new perspective on classical theological questions serves as a potential theological resource in contemporary western society, where God appears to have withdrawn from the prevailing public discourses. In this article, I explore the analogical potential of imagery of a ‘dementing God’, as a way to (...) describe the contemporary experience of western Christians, to develop appropriate responses to the current climate in public theology and to continue to talk of God in public, while respecting Bonhoeffer’s desire to celebrate a secular world in which humanity may ‘come of age’. (shrink)