Dogs know words for their favorite toys
168极速赛车官网开奖官方 The brain activity of dogs that were expecting one toy but were shown another suggests canines create mental concepts of everyday objects.
168极速赛车官网开奖官方 The brain activity of dogs that were expecting one toy but were shown another suggests canines create mental concepts of everyday objects.
This six-part series follows people whose lives have been changed by an experimental treatment called deep brain stimulation.