The discovery reinforces the role of social connections in preserving the mind and improving quality of life, said researcher Elizabeth Kirby of the Ohio State Center for Chronic Brain Injury.
“Our research suggests that simply having a larger social network can positively influence brain aging.”Kirby says.
“We know that in humans there is a strong correlation between cognitive health and social connections, but we don’t know if having a group of friends is what protects people, or if people with declining brain health separate from their relationships. human”, he relativized.
According to this study, some mice lived in pairs, under the “elderly couple” model, and others were housed for three months with six other roommates, a scenario that allows for “quite complex interactions.”
In memory tests, the group-housed mice fared better. One test challenged the rodents to recognize that a toy, such as a plastic car, had been moved to a new location. A mouse with good brain health will move toward the novelty of something that has been relocated.
“With the mice housed in pairs, they had no idea that the object had moved. The mice that lived in a group were much better at remembering what they had seen before and went to the toy put in a new location, ignoring another toy that hadn’t moved,” he concluded.
Source: Ambito
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