Quantification of feeding with high precision
Sips strongly correlate with food intake
Schematic of the experimental setup used to measure the dynamics of food intake and the kinetics of nutrient absorption. A fly expressing luciferase in the nervous system is placed on a flyPAD with a photo multiplier tube located above to simultaneously monitor its feeding behaviour and emitted photons. The fly feeds from a 10% sucrose solution containing 10 mM luciferin.
Feeding Motor Programme
Rhythmic feeding motor programme.
Top left – Distribution of the durations of sips on yeast food. Top right – Distribution of ISIs on yeast food. Bottom left – Distribution of sip durations on sucrose in three different starvation states. Bottom right – Distribution of ISIs on sucrose in three different starvation states.
Microstructure of feeding
Feeding behaviour microstructure reveals homeostatic strategies
How hunger and satiation induce stepwise changes in feeding strategies to achieve homeostasis?
Mean number of sips per burst and mean inter-burst interval length of activity bouts in fully fed, 4 h starved and 8 h starved animals.
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