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The deep and varied emotional life of zoo animals

Alex Halberstadt – New York Times – [snipped]: “Dr. Vint Virga happens to be a veterinarian, very likely the only one in the country whose full-time job is tending to the psychological welfare of animals in captivity. He works with zoos across the United States and in Europe, and like most mental-health professionals, he believes that his patients possess unique personalities and vibrant emotional lives. His recent book is titled “The Soul of All Living Creatures.” What all of this means is that Virga, a man trained in the scientific method, has embraced notions that until recently were viewed in the scientific community as at best controversial, and at worst nonsense…A profusion of recent studies has shown animals to be far closer to us than we previously believed — it turns out that common shore crabs feel and remember pain, zebra finches experience REM sleep, fruit-fly brothers cooperate, dolphins and elephants recognize themselves in mirrors, chimpanzees assist one another without expecting favors in return and dogs really do feel elation in their owners’ presence. In the summer of 2012, an unprecedented document, masterminded by Philip Low [a prominent computational neuroscientist] — “The Cambridge Declaration on Consciousness in Human and Nonhuman Animals” — was signed by a group of leading animal researchers in the presence of Stephen Hawking. It asserted that mammals, birds and other creatures like octopuses possess consciousness and, in all likelihood, emotions and self-awareness. Scientists, as a rule, don’t issue declarations. But Low claims that the new research, and the ripples of unease it has engendered among rank-and-file colleagues, demanded an emphatic gesture. “Afterward, an eminent neuroanatomist came up to me and said, ‘We were all thinking this, but were afraid to say it,’ ” Low recalled.”

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