Behavioral features of motivated response to alcohol in Drosophila.

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bioRxiv. 2020 Feb 17

Behavioral features of motivated response to alcohol in Drosophila. Heberlein LabScientific Computing SoftwareInvertebrate Shared Resource

Catalano JL, Mei N, Azanchi R, Song S, Blackwater T, Heberlein U, Kaun KR

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Abstract

Animals avoid predators and find the best food and mates by learning from the consequences of their behavior. However, reinforcers are not always uniquely appetitive or aversive but can have complex properties. Most intoxicating substances fall within this category; provoking aversive sensory and physiological reactions while simultaneously inducing overwhelming appetitive properties. Here we describe the subtle behavioral features associated with continued seeking for alcohol despite aversive consequences. We developed an automated runway apparatus to measure how Drosophila respond to consecutive exposures of a volatilized substance. Behavior within this Behavioral Expression of Ethanol Reinforcement Runway (BEER Run) demonstrated a defined shift from aversive to appetitive responses to volatilized ethanol. Behavioral metrics attained by combining computer vision and machine learning methods, reveal that a subset of 9 classified behaviors and component behavioral features associate with this shift. We propose this combination of 9 be

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bioRxiv PrePrint https://doi.org/10.1101/2020.02.17.953026

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Behavioral features of motivated response to alcohol in Drosophila.

Abstract

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