Tag Archives: social environment

Love thy neighbor: It could lower your risk of stroke

ANN ARBOR — Here’s some neighborly advice for adults over age 50: Stay friendly with your neighbors.

A new University of Michigan study shows that adults in this age bracket who live in a good neighborhood with trustworthy people lowered their risk of stroke up to 48 percent.

Feeling connected with neighbors builds what researchers describe as “neighborhood social cohesion.” The trust and connection with neighbors was associated with a reduced risk of stroke above and beyond the effects of negative psychological factors—such as depression and anxiety, said Eric Kim, a doctoral student in the U-M Department of Psychology and the study’s lead author. (more…)

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Monogamous Birds….Peeping on the Neighbours!

It is well documented that male birds seduce females using their songs, colourful plumage and courtship dances. These signals reflect male genetic quality and will be graded by the female to determine a male’s potential as a mate. The stronger the grade, the better the odds of being selected.

But this basic rule isn’t the only yardstick used by females. As surprising as it seems, birds know how to use data from their social environment to maximize their chances of reproduction.  Frédérique Dubois, a professor at the Université de Montréal Department of Biological Sciences, has already demonstrated that female Zebra Finches will favour a male chosen by another female. Dubois refers to this as imitation and the use of “public information” in choosing a mate. (more…)

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