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  4. ALGORITHMIC AND NEUROMUSCULAR IMPLEMENTATIONS OF FLIGHT CONTROL IN DROSOPHILA

ALGORITHMIC AND NEUROMUSCULAR IMPLEMENTATIONS OF FLIGHT CONTROL IN DROSOPHILA

File(s)
Whitehead_cornellgrad_0058F_12730.pdf (66.59 MB)
Permanent Link(s)
https://doi.org/10.7298/j9ez-xe33
https://hdl.handle.net/1813/110672
Collections
Cornell Theses and Dissertations
Author
Whitehead, Samuel Charles
Abstract

Insects like Drosophila melanogaster (fruit flies) are among the most adept fliers in the animal kingdom. Their aerial prowess is made all the more impressive by the inherent challenges of flight at small spatial scales: to stay aloft, flies must counteract rapidly diverging aerodynamic instabilities by continually adjusting their wing motion with exquisite precision at millisecond timescales. To accomplish this remarkable feat, flies must be able to rapidly measure changes to their body orientation, use this sensory information to formulate an appropriate behavioral response, and then execute this response using the sparse wing musculature, all in less than a tenth of the time it takes for a human to blink their eyes. Decades of anatomical and behavioral studies have yielded significant insight into the this fascinating flight control reflex; however, we still lack a mechanistic understanding of how it is implemented. Here, I leverage recent advances in genetic tools for cell-specific neuronal targeting and manipulation in Drosophila, along with quantitative behavioral modeling, to systematically investigate the neural and muscular components of the circuits underlying rapid flight stabilization.

Description
274 pages
Date Issued
2021-08
Keywords
control
•
Drosophila
•
flight
•
fly
•
steering muscles
Committee Chair
Cohen, Itai
Committee Member
Sethna, James Patarasp
Goldberg, Jesse H.
Degree Discipline
Physics
Degree Name
Ph. D., Physics
Degree Level
Doctor of Philosophy
Rights
Attribution-NonCommercial 4.0 International
Rights URI
https://creativecommons.org/licenses/by-nc/4.0/
Type
dissertation or thesis
Link(s) to Catalog Record
https://newcatalog.library.cornell.edu/catalog/15160044

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