Due to the severe impairments in intra- and interpersonal interaction and communication, dementia will be hypothesized as a social disorder. Despite the increasing societal relevance of dementia this aspect is surprisingly under-researched in phenomenological philosophy. First, the symptomatic disturbance of the dynamic relationship between orientation, language and memory in Alzheimer’s Dementia (AD) is analyzed with the tools of a phenomenological psychopathology in terms of a lifeworld account. Due to the severe impairments of AD, two therapeutic strategies are discussed: first, the (...) situation-specific strategy, which examines communication resources in the here and now in the face-to-face situation; second, the context-specific strategy, which examines whether habitūs can soften the disruption of contextual knowledge by making it accessible as a resource of meaning that informs and thus orients the here and now. The guiding question of this enquiry is how AD changes the social experience in intra- and interpersonal terms. (shrink)