This has been adapted from Katz on Dogs, which is being published this week.
This time, Heather got my full attention. I took notes, asked questions, then called a canine behaviorist at Cornell and explained the problem in as much detail as I could.
"Everybody says the dog was reacting to her going back to work," I suggested.
"Everybody is probably wrong," was his blunt comeback. "It's 'theory of mind.' This is what often happens when humans assume that dogs think the way we do."
His analysis: "Being angry at the human and behaving punitively—that's not a thought sequence even remotely possible, given a dog's brain. The likely scenario is that the dog is simply frightened." When Heather was home, she was there to explain and enforce the rules. With her gone, the dog literally didn't know how to behave. The dog should have been acclimated to a crate or room and confined more, not less, until she got used to her new independence.
Lots of dogs get nervous when they don't know what's expected of them, and when they get anxious, they can also grow restless. Blue hadn't had to occupy time alone before. Dogs can get unnerved by this. They bark, chew, scratch, destroy. Getting yelled at and punished later doesn't help: The dog probably knows it's doing something wrong, but it has no idea what. Since there's nobody around to correct behaviors when the dog is alone, how could the dog know which behavior is the problem? Which action was wrong?
He made sense to me. Dogs are not aware of time, even as a concept, so Blue couldn't know whether she was being left for five minutes or five hours, or how that compared to being left for a movie two weeks earlier. Since she had no conscious notion that Heather's work life had changed, how could she get angry, let alone plot vengeance? The dog was alone more and had more time to fill. The damage was increasing, most likely, because Blue had more time to get into mischief and more opportunities to react to stimulus without correction—not because she was responding to different emotions.
I was familiar with the "theory of mind" notion the behaviorist was referring to. Psychologist David Premack of the University of Pennsylvania talks about it; it's also discussed in Stanley Coren's How Dogs Think.
The phrase refers to a belief each of us has about the way others think. Simply, it says that since we are aware and self-conscious, we think others—humans and animals—are, too. There is, of course, enormous difference of opinion about whether this is true.
When I used to leave my border collie Orson alone in the house, uncrated, he learned to open the refrigerator with his nose, remove certain food items, open the plastic container, and consume its contents. Then he'd squirrel away the empty packages. Everyone I told this story made the same assumptions: Orson was a wily devil taunting me for leaving him alone. We actually installed a child lock on the refrigerator door. But what changed his behavior was that I began to crate him when I went out. He has not raided the fridge since. Yet he could easily sneak in and do that while he's uncrated and I'm occupied outdoors or elsewhere in the house. Is he no longer wily? Or is he simply less anxious?
There's no convincing evidence I'm aware of, from any reputable behaviorist or psychologist, that suggests dogs can replicate human thought processes: use language, think in narrative and sequential terms, understand human minds, or share humans' range of emotions.
Yet that remains a powerful, pervasive view of dogs, the reason Heather's vet, trainer, and mother all agreed on Blue's motivations. It's almost impossible not to lapse into theory-of-mind reasoning when it comes to our dogs. After all, most of us have no other way in which to grasp another creature's behavior. How can one even begin to imagine what's going on inside a dog's head?
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