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Distinguished Lecture: "Experience-Induced Neural Circuits That Achieve High Capacity"

Department of Computer Science & The Gatsby Computational Neuroscience Unit

Wednesday, July 6, 2011 from 5:00 PM to 8:00 PM (BST)

Distinguished Lecture:  "Experience-Induced Neural...

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Distinguished Lecture & Reception Ended Free  

Event Details

The Department of Computer Science & The Gatsby Computational Neuroscience Unit present a Distinguished Lecture:

 

"Experience-Induced Neural Circuits That Achieve High Capacity"

 

By Les Valiant,

T. Jefferson Coolidge Professor of Computer Science & Applied Mathematics,

School of Engineering & Applied Sciences, Harvard University.

 

Introduced by John Shawe-Taylor,

Professor of Computational Statistics & Machine Learning,

Head of Department of Computer Science, UCL

 

Abstract: "Over a lifetime the brain performs a vast number of different cognitive actions, most having some dependence on past experience. It is difficult to reconcile such capabilities, even in principle, with the known resource constraints on cortex, such as low connectivity and low average synaptic strength. Here we describe model neural circuits and associated algorithms that respect the brain's most basic resource constraints and support the execution of high numbers of cognitive actions. Our circuits simultaneously support a suite of four basic kinds of task that each require some circuit modification: hierarchical memory formation, association, supervised memorization, and inductive learning of threshold functions. The capacity of our circuits is established via experiments in which sequences of thousands of such actions are simulated by computer and the circuits created tested for subsequent efficacy. Our underlying theory is apparently the only biologically plausible systems-level theory of learning and memory in cortex for which such a demonstration has been performed."

 

A drinks reception will follow.

Have questions about Distinguished Lecture: "Experience-Induced Neural Circuits That Achieve High Capacity"? Contact Department of Computer Science & The Gatsby Computational Neuroscience Unit

When & Where


Roberts G06 Lecture Theatre
Front Engineering Building, Malet Place
UCL
WC1E 6BT London
United Kingdom

Wednesday, July 6, 2011 from 5:00 PM to 8:00 PM (BST)


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Department of Computer Science & The Gatsby Computational Neuroscience Unit

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