The brain mechanisms that cause aggressive behavior have been well studied. Far less understood are the processes that tell the body when it's time to stop fighting. Now, a new study by Salk scientists identifies a gene and ...
Molecular & Computational biology
Sep 7, 2022
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706
A new study shows that social isolation changes the behavior and brain development of bumblebees, but not in the way researchers expected.
Plants & Animals
Jul 12, 2022
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317
Fruit flies, like many animals, engage in a variety of courtship and fighting behaviors. Now, Salk scientists have uncovered the molecular mechanisms by which two sex-determining genes affect fruit fly behavior. The male ...
Biotechnology
Apr 29, 2020
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121
Aggression-causing genes appeared early in animal evolution and have maintained their roles for millions of years and across many species, even though animal aggression today varies widely from territorial fighting to setting ...
Plants & Animals
Feb 10, 2014
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(Phys.org) —When one encounters a group of fruit flies invading their kitchen, it probably appears as if the whole group is vying for a sweet treat. But a closer look would likely reveal the male flies in the group are ...
Cell & Microbiology
Jan 17, 2014
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0
A unique study of the white-throated sparrow has identified a biological pathway connecting variation in the birds' aggression and parenting behaviors in the wild to variation in their genome.
Plants & Animals
Jan 14, 2014
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An Indiana University biologist has shown that natural variation in measures of the brain's ability to process steroid hormones predicts functional variation in aggressive behavior.
Plants & Animals
Jun 6, 2012
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(PhysOrg.com) -- Fruit fly aggression is correlated with smaller brain parts, involves complex interactions between networks of important genes, and often cannot be controlled with mood-altering drugs like lithium.
Plants & Animals
Sep 29, 2011
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A new study reveals that distinct networks of genes in the honey bee brain contribute to specific behaviors, such as foraging or aggression, researchers report.
Plants & Animals
Sep 26, 2011
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If you were a mouse, a mere whiff of a cat, rat or snake would be enough to send you into a fearful state. Your stress hormone levels would go up and you'd begin to take extra precautions, hugging the ground as you carefully ...
Cell & Microbiology
May 13, 2010
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