Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session B08: Animal Behavior
11:30 AM–2:18 PM,
Monday, March 6, 2023
Room: Room 131
Sponsoring
Unit:
DBIO
Chair: Prashali Chauhan, Syracuse University
Abstract: B08.00014 : Data-driven discovery of long timescale behavioral strategies during sensory evoked locomotion*
2:06 PM–2:18 PM
Presenter:
Gautam Sridhar
(Institut du Cerveau and Sorbonne Université, Paris)
Authors:
Gautam Sridhar
(Institut du Cerveau and Sorbonne Université, Paris)
Antonio Carlos Costa
(Ecole Normale Superieure Paris)
Massimo Vergassola
(Ecole Normale Superieure Paris)
Claire Wyart
(Institut du Cerveau and Sorbonne Université, Paris)
Collaboration:
-
Larval zebrafish naturally swim in short timescale burst like motions called bouts. We construct a maximally predictive state space by stacking consecutive bouts, and then study the time evolution of state-space densities through transfer operators. Their spectral decomposition reveals slowly decaying modes corresponding to stereotyped long timescale behaviors.
We find two long-lived strategies in larval zebrafish locomotion lasting tens to hundreds of seconds which occur naturally during exploratory behavior in light – “Roaming”, which causes fast changes in orientation and “Cruising”, which is dominated by forward locomotion. Our analysis reveals how stimuli modulate such long timescale behaviors by either triggering or driving the fish into roaming or cruising. We discover a clear structure in larval zebrafish behavior at long timescales and how it is modulated by external stimuli, enabling discovery of the internal states regulating behavior.
*Supported by the H2020-MSCA-ITN-2018 project ZENITH - GA No. 813457
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