Neural Representations of Trajectories

Harry Erwin harry.erwin at sunderland.ac.uk
Sat Jul 21 15:36:31 EST 2001

Robert Gurk <bob.g at gmx.de> wrote:

> On 20 Jul 2001, Harry Erwin wrote:
> > I'm seeing evidence that trajectories of moving objects are
> > represented 4-dimensionally in the brain. Has anyone thought
> > about the topology of neural representations?
> > 
> Harry, are you seeing evidence or are you seeking?

I'm modeling bat data. I'm seeing evidence.

> Why would the brain need to "represent" a trajectory (or 
> anything else) in such a costly way? Another (albeit more 
> complicated) way would be to represent an abstract description 
> of a trajectory. Something like "Object started moving 45° to 
> the left and stopped 45° to the right. This took 10 seconds."
> Bob

Dr. Harry Erwin, harry at dherwin.org, http://world.std.com/~herwin

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