[AI Seminar] Online AI Seminar on Dec 15 (Zoom) -- Michael Arcaro -- Topographic constraints on visual development-- AI seminar is sponsored by Fortive

[Aayush Bansal]

Reminder...this is tomorrow at noon (ET).

On Thu, Dec 10, 2020 at 10:11 AM Aayush Bansal <aayushb at cs.cmu.edu> wrote:

> Michael Arcaro (UPenn) will be giving an online seminar on "Topographic
> constraints on visual development " from 12:00 noon - 01:00 PM ET on Dec
> 15.
>
> *Zoom Link*:
> https://cmu.zoom.us/j/99938770592?pwd=d3RhMmgrY3hCOEd3a3VRWHRLcDd5Zz09
>
>
> CMU AI Seminar is sponsored by Fortive.
>
> Following are the details of the talk:
>
> *Title*: Topographic constraints on visual development
>
> *Abstract*: We are remarkably good at recognizing objects and faces in
> our environment, even after just a brief glimpse. How do we develop the
> neural circuitry that supports such robust perception? The biological
> importance of faces for social primates and the stereotyped location of
> face-selective brain regions across individuals has engendered the idea
> that face regions are innate neural structures. I will present data
> challenging this view, where face regions in monkeys were not present at
> birth but instead emerged in stereotyped locations within the first few
> postnatal months. Indeed, experience appears to be necessary for the
> formation of these specialized regions: Monkeys raised without exposure to
> faces did not develop face regions. But if specialized regions require
> experience, why do they emerge in such stereotyped locations? At birth, a
> series of hierarchically organized retinotopic maps, in which adjacent
> neurons represent adjacent points in visual space, are present throughout
> the visual system.  These retinotopic maps carry with them selectivity
> biases for low-level features commonly found in faces and are predictive of
> where face regions will emerge later in development. These findings reveal
> that experience-driven changes are anchored to the intrinsic topographic
> architecture of visual cortex, establishing a framework for understanding
> how neural representations come to support visual perception.
>
>
> *Bio*: Michael Arcaro received his PhD at Princeton working with Drs.
> Sabine Kastner and Uri Hasson on organizing principles of the adult human
> and macaque visual system. He went on to do a postdoc with Dr. Margaret
> Livingstone at Harvard Medical School studying visual development in baby
> macaque monkeys. He recently moved to UPenn and setup his own lab studying
> how intrinsic and experience-driven processes interact through development
> to shape brain organization and behavior.
>
> To learn more about the seminar series, please visit the website:
> http://www.cs.cmu.edu/~aiseminar/
>
>
> --
> Aayush Bansal
> http://www.cs.cmu.edu/~aayushb/
>
>
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