[CTN] CTN seminar: Zoran Tiganj, 3:30 March 21 PAS 2464

[Bryan Tripp]

Hi everyone,

Just a reminder about the seminar today at 3:30. Hope to see you there!

Bryan


On Mon, Mar 14, 2016 at 6:14 PM, Bryan Tripp <bptripp at gmail.com> wrote:

> Hi everyone,
>
> Please join us for our next CTN seminar, next Monday (March 21) at 3:30 in
> PAS 2464. The title and abstract follow. The speaker is Dr. Zoran Tiganj,
> currently a post-doctoral researcher in the lab of Marc Howard (Boston
> University), and a candidate for a post-doctoral position with Chris
> Eliasmith.
>
> As usual, please let me know if you would like to meet individually with
> the speaker and/or come for dinner after the talk.
>
> Regards,
> Bryan
>
> Title: Memory across scales: integrating computational models and
> electrophysiological data
>
> Abstract:
> It is well known that, all things being equal, the accuracy of mammalian
> memory is better for events that took place at more recent past than at
> more distant past. I will present a biologically plausible computational
> framework that can account for this gradual decay of memory over multiple
> seconds. The framework relies on sequentially activated time cells that
> constitute an internal timeline. Information about what happened when is
> dynamically updated and always available in the brain. Having an internal
> timeline makes various useful computations easily achievable. For instance,
> if an animal knows its momentary speed, it can compute spatial distance
> from landmarks and construct place cells. Also, from the internal timeline
> it is straightforward to construct prediction of the future that is based
> on the spatiotemporal structure of the input signals. I will discuss the
> utility of these computations in the context of brain-inspired machine
> learning and artificial intelligence. Finally, I will present single unit
> data from electrophysiological recordings in rodents that support the
> existence of a neural timeline.
>
>
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