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David Marr
9 quotes
“To understand the relationship between behavior and brain one has to begin by defining the function, or computational goal, of a complete behavior. Only then can a neuroscientist determine how the brain achieves that goal.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source
Recorded in: In: Paul W. Glimcher (2004). Decisions, Uncertainty, and the Brain.
“Vision is a process that produces from images of the external world a description that is useful to the viewer and not cluttered with irrelevant information.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source
Recorded in: as cited in Steven Yantis (2001) Visual Perception: Essential Readings, p. 117.
“A representation is a formal system for making explicit certain entities or types of information, together with a specification of how the system does this. And I shall call the result of using a representation to describe a given entity a description of the entity in that representation.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source
“The critical act in formulating computational theories turns out to be the discovery of valid constraints on the way the world is structured -- constraints that provide sufficient information to allow the processing to succeed.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source
“The primitives of a representation are the most elementary units of shape information available in a representation.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source
“Vision is the process of discovering from images what is present in the world, and where it is.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source
Recorded in: p. 3, cited in: M. R. Bennett, P. M. S. Hacker (2012). History of Cognitive Neuroscience.
“The abstract properties of this mapping are defined precisely, and its appropriateness and adequacy for the task at hand are demonstrated.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source
“In order to understand bird flight, we have to understand aerodynamics; only then does the structure of feathers and the different shapes of bird's wings make sense.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source
“[If] we can experimentally isolate a process and show that it can still work well, then it cannot require complex interaction with other parts of vision and can therefore be understood relatively well on its own.”
David Marr (1945–1980) said by 1980 at the latest wikiquote, CC BY-SA 4.0 source