[Comp-neuro] Symposium Program: Beyond Neural Cartography

Tansu Celikel celikel at usc.edu
Tue Mar 16 18:04:21 CET 2010

Symposium Program: Beyond Neural Cartography

Dear Computational Neuroscientists,

You are cortically invited to the USC Symposium focusing on the  
topographical maps in the brain.

Sensation doesn’t make sense except in reference to an embodied  
self.   The brain therefore processes information from the environment  
through the sensory organs in reference to internal representations of  
the sensory world.  Encoding the sensory world as maps is efficient,  
as map formation effectively groups neurons that most commonly  
interact with each other.  This organization decreases metabolic  
costs, reduces cable length, minimizes long-range connectivity and  
increases processing speed without altering conduction velocity.  Such  
a structural formation functionally reduces information redundancy,  
increases channel capacity and enhances information content in neural  
signals by eliminating spatially conflicting information while  
allowing multiple algorithmic transformation of the sensory  
information on the periphery. Despite the intuitive explanatory power  
behind maps as a basic functional neural unit and the proposition that  
they “underlie the derivation of the computational principles that  
govern sensory processing and the generation of perception”, it is  
still unknown if the topographic maps of the brain are incidental or  
functionally essential to brain organization in health and disease.

This symposium brings together scientists who will discuss the  
proposition that topographical organization of the brain is essential  
to brain organization.  Interested researchers are invited to spend a  
day at the University of Southern California and discuss their data,  
perspective and share their opinions on the topic.  Each speaker will  
give a 30 minute long presentation and contribute to panel discussions  
at the end of the symposium.

We hope you can join us on March 26, 2010 in the Hedco Neuroscience  
Building Auditorium (HNB100) at the University of Southern California  
for this day-long event.  Most up to date information can be found  
online at



9:00            	Welcome and Opening remarks “What is a Map in The  

9:30            	Judith Hirsch (USC)

	Neural Representations of Visual Space and the History of the  
Receptive Field.

10:05             Fritz Sommer (UC, Berkeley)

	How are Visual Features and Their Context Represented in Neural  

10:40             Chuck Stevens (Salk Institute)

             		Map Scaling: How They Change with Size

11:15            	Coffee Break

             11:30              Ron Frostig (UC, Irvine)

                         	    Cortical Maps: Stability vs Plasticity

12:05            	Dan Feldman (UC, Berkeley)

        	Cellular Mechanisms that Regulate Point Representations in  
Sensory Maps

12:40            	Stefan Leutgeb (UC, San Diego)

             		Attractors in spatial maps:

             		Differences Between Hippocampus and Enthorhinal Cortex

13:15            	Lunch Break

14:00             Jose Carmena (UC, Berkeley)

             		Emergence of a Stable Cortical Map for Neuroprosthetic  

14:35            	David Kleinfeld (UC, San Diego)

             		A Tale of Two Maps:

             		The Merge of Exafference and Reafference in Vibrissa  

15:10      	Tansu Celikel (USC)

             		Sensory Maps as a Spatial Template for Memory Storage

15:45            	Michael Arbib (USC)

             		A Multitude of Maps:

             		From Perception to Planning to Action

16:20            	Coffee Break

16:30            	Round Table

             		Are maps incidental of functionally essential to brain  


Tansu Celikel, Ph.D.

Assistant Professor
Departments of Neurobiology & Biomedical Engineering
Laboratory of Neural Circuits and Plasticity

University of Southern California
3641 Watt Way, HNB 507
Los Angeles, CA. 90089-2520

P: (213) 740 3461-- F: (213) 740 6667

celikel at usc.edu


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