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UID:d69cf3b8e0cdf0bd140904a414d80890
CATEGORIES:Mathematical Physics Seminar
CREATED:20260706T013423
SUMMARY:Webinar: Larry Abbott - Biological Systems for Spatial Orientation
LOCATION:Zoom
DESCRIPTION:<p style="text-align: center;"><strong>Larry Abbott</strong> <strong>&nbsp;
 - Columbia University</strong></p><p style="text-align: center;"><strong>We
 dnesday,&nbsp;July 15,&nbsp;2026</strong></p><p style="text-align: center;"
 ><strong>Zoom opens: 10:30AM EDT</strong></p><p style="text-align: center;"
 ><strong>Seminar begins: 10:45AM EDT</strong></p><p style="text-align: cent
 er;"><strong>Biological Systems for Spatial Orientation</strong></p><p>I wi
 ll discuss several topics related to how animals represent and update their
  sense of orientation in the world. &nbsp;In flies, this is done with a set
  of neurons that collectively form a ring-attractor network. &nbsp;Activity
  in this system indicates the azimuthal orientation of the fly. &nbsp;I wil
 l discuss how the polarization pattern of the sky is used as keep this enco
 ded angle aligned with the physical world. &nbsp;Vertebrates have an analog
 ous system for head orientation, but it is more complex. &nbsp;I will discu
 ss various ways that a ring-attractor could be embedded in a large populati
 on of neurons, with results relevant for studies of the synaptic connection
 s in these circuits. &nbsp;Finally, in both flies and vertebrates, these sy
 stems have been studied primarily in two dimension (that is, considering on
 ly yaw rotations). &nbsp;I will discuss different ideas about how they migh
 t respond to three-dimensional rotations.</p>
DTSTAMP:20260826T164644
DTSTART;TZID=America/New_York:20260715T104500
DTEND;TZID=America/New_York:20260715T120000
SEQUENCE:0
TRANSP:OPAQUE
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