New research demonstrates that a highly social strain of mice can learn to associate a sound played in a specific cage with something negative simply by hearing a mouse in that cage respond with squeaks of distress. (Credit: iStockphoto/Brandon Laufenberg)From Science Daily:
ScienceDaily (Feb. 16, 2009) — The ability to empathize with others is partially determined by genes, according to new research on mice from the University of Wisconsin-Madison and Oregon Health and Science University (OHSU).
In the study, a highly social strain of mice learned to associate a sound played in a specific cage with something negative simply by hearing a mouse in that cage respond with squeaks of distress. A genetically different mouse strain with fewer social tendencies did not learn any connection between the cues and the other mouse's distress, showing that the ability to identify and act on another's emotions may have a genetic basis.
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