Alcohol-induced Aggression
Intraspecies aggression is commonly focused on securing reproductive resources such as food, territory, and mates, and it is often males who do the fighting. In humans, individual acts of overt physical aggression seem maladaptive and probably represent dysregulation of the pathways underlying aggre...
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
SAGE Publishing
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/cb4c9447d65c4396909c76e99cc261c0 |
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| Sumario: | Intraspecies aggression is commonly focused on securing reproductive resources such as food, territory, and mates, and it is often males who do the fighting. In humans, individual acts of overt physical aggression seem maladaptive and probably represent dysregulation of the pathways underlying aggression. Such acts are often associated with ethanol consumption. The Drosophila melanogaster model system, which has long been used to study how ethanol affects the nervous system and behavior, has also been used to study the molecular origins of aggression. In addition, ethanol-induced aggression has been demonstrated in flies. Recent publications show that ethanol stimulates Drosophila aggression in 2 ways: the odor of ethanol and the consumption of ethanol both make males more aggressive. These ethanol effects occur at concentrations that flies likely experience in the wild. A picture emerges of males arriving on their preferred reproductive site—fermenting plant matter—and being stimulated by ethanol to fight harder to secure the site for their own use. Fly fighting assays appear to be a suitable bioassay for studying how low doses of ethanol reshape neural signaling. |
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