[CTN] CTN Seminar: Subutai Ahmad (Numenta, Inc.) Tuesday October 2, 3:30 E5 6127

[Bryan Tripp]

Hi everyone,

Just a reminder about the talk tomorrow at 3:30. Hope to see you there,

Bryan

On Tue, Sep 25, 2018 at 3:56 PM Bryan Tripp <bptripp at gmail.com> wrote:

> Hi everyone,
>
> Please join us next week for the first CTN seminar of the fall. The
> speaker is Subutai Ahmad, VP of Research at Numenta. The title and abstract
> follow.
>
> Please note that because the CTN has moved, this talk is not in the usual
> room, but in Engineering 5 Room 6127.
>
> CTN graduate students are invited to lunch with the speaker at 12:00. If
> you are interested, please contact Peter Duggins (psipeter at gmail.com).
>
> Bryan
>
>
> Have We Missed Half of What the Neocortex Does? A New Predictive Framework
> Based on Cortical Grid Cells
>
> Subutai Ahmad, Numenta, Inc.
>
> How the neocortex works is a mystery. Traditional feed forward models of
> perception cannot account for the vast majority of cortical connections. In
> this talk, I will describe a theory that sensory regions of the neocortex
> process two inputs. One input is the well-known sensory data arriving via
> thalamic relay cells. The second is an allocentric representation of
> location, which we propose is derived from motion inputs in the
> sub-granular layers of each cortical column. The allocentric location
> represents where a sensed feature is relative to the object being sensed.
> As the sensors move, cortical columns learn complete predictive models of
> objects by integrating feature and location representations over time. We
> propose a theory where the location signal is derived in each column using
> the same principles as grid cells in the entorhinal cortex. In this
> proposal, individual cortical columns are able to model complete objects
> and are far more powerful than currently believed. I will discuss our
> model, the mechanisms, and the implications for hierarchy and cortical
> function.
>
>
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