Dementia Research Group, The National Hospital for Neurology and Neurosurgery, Queen Square, London, UK. mrossor@dementia.ion.ucl.ac.uk
What is to be understood by the term Pick's disease? Is this a clinical syndrome(s) of frontotemporal lobar atrophy, or a more specific clinicopathological concept of frontotemporal lobar atrophy with Pick bodies and/or Pick cells on neuropathology? The author discusses these concepts in an historical context as an introduction to this symposium.