Neural Representations of Trajectories

[Harry Erwin]

Didier A. Depireux <didier at rai.isr.umd.edu> wrote:

> In bionet.neuroscience Harry Erwin <harry.erwin at sunderland.ac.uk> 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?
> 
> Not directly what you are asking, but I have always liked the papers of
> Bienenstock, esp "On the Dimensionality of Cortical Graphs", which you can
> find on his page
> http://www.dam.brown.edu/people/elie/publications.html
> The neural connectivity graph explained therein should put limit on the
> dimensionality of representations in cortex!
> 
>                                               Didier

What I'm seeing is behavioral evidence that bats do a curve fit to a
collection of measurements. I hope Bienenstock is consistent.
-- 
Dr. Harry Erwin, harry at dherwin.org, http://world.std.com/~herwin