Williams Williams DR DR Holton Holton JL JL Strand Strand C C Pittman Pittman A A Silva Silva R R Lees Lees AJ AJ Pathological tau burden and distribution distinguishes progressive supranuclear palsy-parkinsonism from Richardson’s syndrome Pathological tau burden and distribution distinguishes progressive supranuclear palsy-parkinsonism from Richardson’s syndrome Brain Brain 2007 2007 130 130 6 6 1566 1566 1576 1576 10.1093/brain/awm104 10.1093/brain/awm104 17525140 17525140. The gene discussed is MAPT; the disease is progressive supranuclear palsy.