Fig. 1From: Novel unconditioned prosocial behavior in prairie voles (Microtus ochrogaster) as a model for empathyNovel social test: bottom rectangle depicts non-social cage for test animal, top rectangle depicts social cage with stimulus animal tethered inside, and small rectangle with vertical double arrow depicts connecting tube. Blue arrow indicates exploratory contact, green arrow indicates empathic contact, and red arrow indicates contact with non-social object. Elongated grey oval with red outline indicates non-social object. Portion of animal tether/collar colored green indicates object of empathic consequenceBack to article page