title: The Levels of Understanding framework, revised.
abstract: I discuss the "levels of understanding" framework described in Marr's Vision and propose an updated version to capture the changes in computation and neuroscience over the last 30 years.
authors: McGovern Institute for Brain Research, Center for Biological & Computational Learning, Department of Brain & Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. tp@ai.mit.edu
authors: Tomaso
authors: T
authors: Poggio
mesh_terms: D006801:Humans; D007858:Learning; D008959:Models, Neurological; D009488:Neurosciences; D014785:Vision, Ocular; D014795:Visual Pathways