Explore Jason van Genderen on iwonder. Interview with Jason van Genderen of Treehouse Creative. Jason talks about helping (and filming) his mother, who suffers from Alzheimer's disease and vascular dementia, through a challenging time where she cannot go out to do the activities that are familiar and comforting to her. When the videos went viral on social media, Jason describes how he embraced the opportunity to tell their story and the wider story of how to engage with older people.