Monday, August 17, 2015

Steroids Won't Help if You're a Loser

The more we study physiology and behavior across groups of animals, the more we find we have in common in the types of behaviors we express and the biological machinery of how our bodies influence what behaviors are expressed and when. But similarity does not mean the same. Sometimes seemingly small physiological differences can have big behavioral consequences.

A snuggly California mouse pair. Photo from the Marler lab.

A loner white-footed mouse. Photo by the National Park Service.

Today I am thinking about a story of two very closely related and similar species of mice and how their personal experiences make all the difference in how testosterone affects them. Check it out here.


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