Do Horses Have Emotions?

One of the biggest mistakes humans make in dealing with horses is assuming why a horse “misbehaves”.

We tend to “anthropomorphize” which is believing a horse thinks like a human. We think a horse is deliberately “being naughty” or “getting even” or “being a jerk.”

Instead, if we have difficulty with a horse, the first thing we should ask is: Does he or she understand what we want them to do?

If we’re certain that the horse knows the job and understands the cues, then physical pain or hunger needs to be ruled out next.

The third consideration is emotion. If the horse understands what to do and is physically comfortable with doing it but yet refuses, there’s a good chance that there’s an emotional reason for the behavior.

Humans, horses, and all other mammals have the same seven basic emotions according to Jaak Panksepp,  a neuroscientist at Washington State University. Panksepp, author of “Affective Neuroscience,” was one of the leading scientists who have studied dysfunctional human emotions.  

The seven emotions all mammals have are ancient, elemental survival responses. 

Seeking

The first emotion which begins to motivate all mammals shortly after birth is SEEKING.

Dr. Panksepp says SEEKING is “the basic impulse to search, investigate, and make sense of the environment”. SEEKING is wanting something, and looking for it. SEEKING is the primary emotion to keep us alive.

Panksepp calls SEEKING the “Christmas emotion” because when kids see all the presents under the Christmas tree, their SEEKING system goes into overdrive.

SEEKING keeps people glued to their phones or reading new articles. It causes foals to find their dams’ milk. It inspires horses to open gates. It motivates wild horses to move to new ranges.

If an animal did not have the SEEK emotion, it would starve.

New things stimulate the SEEKING system. It’s one of the most pleasurable emotions for people, and if you stimulate the SEEKING area of a rat’s brain with electrodes as Dr. Panksepp did, it will press a lever to keep the current on.

It’s extremely important to note that the pleasure a horse gets from SEEKING is stimulated by the anticipation of getting something good – not by actually getting it.

SEEKING is what your horse is not getting when it’s kept in a stall and gets fed constantly.

If you feel that your horse is “full of mischief” when you work together, its a good chance your horse is otherwise short of experiences which fulfill the desire to SEEK.

Rage

Another emotion present at birth is RAGE. Panskepp writes that he believes  RAGE originally evolved to protect an animal from being captured and killed. RAGE gives a horse the power to fight off a predator. In humans, the RAGE emotion can be seen as early as birth when a baby becomes angry if it’s held too tightly.

Frustration is a mild form of RAGE that is caused by less restraint. Frustration occurs in humans when you can’t do something you want to do. Frustration in horses is evident when a horse tries to return home to the barn when its rider is urging it on. Frustration can also be seen when a horse wrings its tail as it tries to decipher what its being asked to do, just as frustration would occur in a human driver whose car’s GPS gives directions which don’t match the road’s signs.

Panksepp is adamant that humans should understand that all captive animals – including horses – feel frustrated being locked up in barns, stalls, and trailers because being locked up is a form of restraint no matter how nice and “safe” it may seem to humans. If a horse tries to escape whatever area it’s in as soon as it has an opportunity, that is a sign that it more than likely feels some degree of frustration being confined in that manner.

Fear

The emotion of FEAR is easy to understand. Scientists have discovered that it originates in the amygdala of the brain because if the amygdala is removed, the animal no longer experiences FEAR. Of course, an animal–particularly a horse–can’t survive outside of a laboratory without FEAR.

FEAR is what triggers flight, fight, or freeze. Horses don’t learn well when they’re in a state of FEAR and their basic survival instincts over-ride their rational mind.

Panic

All social animals rely on connections with others of their kind and PANIC is Panksepp’s term for what happens when that connection is threatened or broken. All baby animals and humans cry when their mothers leave, and an isolated baby whose mother does not come back may die. PANIC is tied to pain because when you stimulate the part of the brain that regulates pain, the animal makes separation cries. Panksepp discovered that opioids are more effective at treating social pain than physical pain which explains why opioids are so addictive after the physical pain has gone away. Panksepp points out that’s why people saw it “hurts” to lose someone they love. 

PANIC is what most horses feel when they are separated from their herd. Humans label it “separation anxiety” and think of it as something negative and unusual. In fact, horses are supposed to stay with the herd and it’s a good thing, particularly for a trail horse, to want to stick with the group. Fortunately, most horses can be trained to see their human as a satisfactory substitute, but that relationship rarely happens overnight.

Please note that FEAR and PANIC are not the same thing. Panskepp discovered that they originate in different parts of the brain and they are caused by different stimuli. FEAR is what the horse feels when it’s life is in danger as a prey animal. PANIC is what the horse feels when it’s separated from another horse. You may need to find different ways to teach a horse to deal with each. A FEARful horse may be fearful even when he’s surrounded by his herd. A horse who is not afraid of anything may still PANIC when he’s alone.

Lust

LUST is the emotion of reproduction. This emotion is mainly driven by hormones in the brain and in healthy horses, it is fairly predictable. LUST is not present until sexual maturity and it is regulated by seasonal stimuli. Removing a horse’s sexual organs (gelding and spaying) does not remove the emotion of LUST completely. Mares will still pair up with geldings and some maintain a relationship which is still based on the relationship between a mare and a stallion.

Care

CARE is Panksepp’s term for the emotion of nurturing. CARE is also connected to various hormones. It’s present in different degrees in individuals and can be stimulated not just between mother and baby, but also among herd members and interspecies friendships.

I have seen horses show CARE for their owners, for children, for other domestic farm animals, and even for cats and dogs.

Play

PLAY is the emotion that produces the kind of roughhousing all young animals and humans do at the same stage in their development. The parts of the brain that motivate PLAY are in the subcortex. No one understands the nature of playing or the PLAY system in the brain well yet, although scientists do know that play behavior is probably a sign of good welfare because an animal that’s depressed, frightened, or angry doesn’t play. The PLAY system produces feelings of joy.

PLAY is the drive which gets old mares to kick up their heels on a spring day and which inspires middle-aged geldings to “horse around” whenever they’re relaxed.

I’m not sure, but I’ve often wondered if PLAY is the reason horses put up with our demands. When I was teaching youth polocrosse, I was always amazed at how quickly the horses picked up the idea to chase the ball and shoulder each other out of the way. I’m also convinced that the fact that mature males are more interested in PLAY than mature females may be the answer to why so many people prefer riding geldings more than mares.

For most of the last century, psychologists generally accepted western society’s notion that only humans had emotions – animals did not.

Panksepp’s goal as a neuroscientist was to find new treatments for depression and other mental illnesses caused by problems with emotions. To do so, he experimented on rats. He and a graduate student converted a machine which could detect bat’s ultrasonic voices to also record those of rats. He became famous in his field when he discovered that rats responded to tickling with laughter.

Through his research, he discovered the neural pathways for seven emotions and  changed the earlier thought that emotions came from the cerebral cortex – the area where complex thoughts are generated. Emotion instead originates in the more limbic system, particularly the amygdala and hypothalamus.

The following interview was given by Dr. Panksepp before he died. The whole interview is available at: http://discovermagazine.com/2012/may/11-jaak-panksepp-rat-tickler-found-humans-7-primal-emotions

You were describing a rat’s experiences in terms usually associated with human experiences. That wasn’t really the style of the times, was it?
I brought up the psychological issues, and my professor said, Panksepp, I’ve seen guys like you before, and they’re not around anymore. Psychology was not on the table for animal research people. It’s all just behavior, he told me. I said, well, I guess I’m not supposed to think here. This is like some kind of religion. You’ve got a certain view and you’d better say the mantra because that’s how they’re training you, and believe me, young scholars were brainwashed by the hordes. Most of them were ready for the brainwashing like sheep going to slaughter.

What were the radical ideas that motivated you? My major question was, what are emotions? Since we could turn on the emotions with electrical stimulation, for my dissertation I decided to study rats for the anger and rage system already documented in cats. You could turn a peaceful pussycat into a raging monster by stimulating specific parts of the hypothalamus. It was much harder to turn lab rats rageful, because cats brought in from the street were predators. A predator needs that kind of attack system, whereas an omnivore like a rat needs a searching system.

Did you eventually find the rage system in rats?
Yes, rats have this system in much the same areas of the brain as cats. Once I obtained aggressive behaviors in rats by stimulating specific areas of the brain, I started asking whether they liked or disliked the feelings by having them press a lever to turn the stimulation on or off. The answer depended on the kind of aggression I induced. Whenever aggression was predatory, marked by stalking and quiet biting attack, rats turned on the brain stimulation over and over again. I realized this predatory attack came from the seeking system. But whenever the aggression was agitated, resembling human anger, rats would press levers to escape the artificially aroused rage feelings. Anatomically and psychologically the two types of aggression were very different. More broadly, feelings of seeking, lust, care, and play feel good. Rage, fear, and panic feel bad.

In your next career move, you wound up at Bowling Green State University in Ohio in 1972. Why there?

It had a unique lab run by someone I found totally fascinating: John Paul Scott, a biologist in the psychology department who had done more work than anyone else on social attachments in dogs. Attachment is the bond of selective preference between a mother and a child, whatever the species. Mother dogs and their pups bond, mother sheep and their lambs bond, and so forth. When a real bond has been established, the young selectively prefer their own mother, and follow her around persistently in order to feel comfortable. Conversely, the mother will shower all her devotion on just her own babies. When this attachment bond is broken, the young cry and cry until reunited with the mother; this is the panic system in action. Animals that grow up crying the most because they are separated from their mothers for the longest are generally maladjusted. Scott insisted that attachment had to be studied biologically, but no one knew how.

Then you found a way to study attachment. How did you do it? 
Serendipitously, that was the moment, in 1973, that scientists discovered the opiate receptor—the first neurochemical receptor in the brain. The day I heard that, I said, this has got to be the attachment mechanism. Opiate addiction is another phenomenon that creates a powerful bond. We call it by a different name, addiction, but it is activated via a molecule that produces good feelings, and mom produces a lot of good feelings in the young ones, too. They feel comfortable, they feel soothed, and opioids have that same property, psychologically.

How could you test the idea that social attachment is related to chemical addiction?
I had the insight that if you wanted to understand attachment, you would have to study crying. My first successful experiments used dogs. We took young pups and gave them morphine. Then we removed them from their mothers. The more morphine they got, the less they cried and the quieter they were. They sat alone and were satisfied, as if the mother was right there. Significantly, we could comfort the animals only with opiates like morphine, not with the types of agents often used to quell anxiety, the benzodiazepines. So we knew the crying wasn’t a physical fear. As with aggression, there were two kinds of anxiety systems. One was fear that a predator would attack, and the other was panic over separation.

What was the response to your discovery?

We had to use emotional language to describe what we found, and the bottom line is we simply got rejected as being crazy. For the next 10 years, all we heard was, you’re just sedating animals, what the hell? We don’t have to pay attention to you. So we didn’t get a penny for that work. When you don’t have a penny to pursue research, that’s a very expensive canine laboratory. After John Paul Scott retired, I was given the job of saving the canine research facility. We must have written at least half a dozen grant proposals, and the message was clear: We’re not gonna get funded no matter what we do. Dogs were the perfect species for the study of social attachment, but no one got it. The best canine behavioral research laboratory, and the last one in the country, died with me. I was incredibly disappointed

Today the bonding hormone is thought to be oxytocin, a chemical secreted after intense social experiences such as birth and sex. Is that an attachment molecule, too?
We studied oxytocin, and it turned out to be as powerful as the opiates in reducing separation distress. Every process in the brain has multiple chemistries. The three that had enormous effects on attachment were the opioids; oxytocin, which was superbly effective but had to be put directly into the brain because it does not cross the blood-brain barrier; and prolactin, the stuff that manufactures milk.

Then you made a U-turn: Instead of studying separation anxiety, you started to study play and laughter. Why?

It was the classic masks of theater, sadness and happiness. We had essentially done the work on the sadness mask. I wanted to move to the joy mask. Joy is social, so you’re looking at play. Play is a brain process that feels good, that allows the animal to engage fully with another animal. And if you understand the joy of play, I think you have the foundation of the nature of joy in general. Part of its benefit is simply taking away the psychological pain of separation. Play is engaging in an attachment-like way with strangers, which you have to do later in life.

Time for another animal experiment, right?
To study attachment, we couldn’t use rats or mice. They’re laboratory animals bred inadvertently to live by themselves. But I noticed that rats in the lab are wonderful for play. Psychic pain reduces the inclination to play—but since rats don’t feel it, they can be separated without panic and then when you put them together, bang! They play.

And the rats played with you, too?
After the experiments we’d dim the lights to make the rats more comfortable. That was our time to have fun. You see me sitting there and saying, come on, guys, come on—it’s okay. I knew that if I could tickle them, they would get jazzed up more, and that’s what happened, right in front of the camera.

How did you turn that kind of playing around into a rigorous experiment? 

I thought about the hunger research I’d done in the past. If I wanted animals to eat, then the best way was to make sure they hadn’t eaten for a while. If I want animals to play, I’d have to make them hungry for play. So I put them in a cage alone, apart from their family, first for 4 hours, then 8 hours, then 12 hours, and finally 24 hours. I was looking for a behavior that I could use to measure play, like jumping on each other. How often do they bounce and touch each other? Then they run around—it’s too complex to follow unless you do slow-motion movies—and they end up wrestling. These behaviors were very easy to measure. We collected a lot of data on the response to social hunger.

Is play embedded deeply in the brain, the way attachment is?
Many experiments over the years suggested it was, but to be sure I removed the upper brain of the animals at three days of age. Amazingly, the rats still played in a fundamentally normal way. That meant play was a primitive process. We saw, too, that play helped the animals become socially sophisticated in the cortex. That’s why it’s so important to give our kids opportunities for play.

And yet it seems that childhood play has become much more controlled than it was when I was young. 
I have gone to ADHD meetings to consider this childhood problem. But the doctors do not want to hear the possibility that these kids are hyper-playful because they’re starved for real play—because they are giving them anti-play medicines. Teachers are promoting the pipeline of prescription controls as much as any other group, because their lives are hard. They are supposed to be teaching kids at the cortical level of reading, writing, and arithmetic, but if they’ve got kids who are still hungry for play, it’s gonna be classroom chaos. And you can sympathize with them, because they should be getting kids that are sufficiently well regulated to sit and use their upper brains. But the kids’ lower brains are still demanding attention.

What happens to animals if they are deprived of play over the long term?

They look normal and they eat normally, they’re just not as socially sophisticated. Animals deprived of play are more liable to get into a serious fight. Play teaches them what they can do to other animals and still remain within the zone of positive relationships. If you have play you become sociosexually more sophisticated. Let’s say you have the classic triangle: two males and one female, because males are competitive for sex. So if you’ve got one animal that’s had lots of play and the other animal hasn’t, guess who is successful? The animal that’s had play knows how to stay between the female and the other male. The other guy’s a klutz.

Did you ever find a way to track and measure the play response in rats?
Yes. I had a postdoctoral student, Brian Knutson, who asked me whether there was a play vocalization. I said, we know they don’t make any audible sounds but maybe there’s ultrasonics. We wound up buying the equipment so his study could be done. Brian came in the first day after it was set up and said, Jaak, there is a sound when the animals are playing. That was the 50-kilohertz chirp [at a pitch far above the range of human hearing].

What does the rat chirp mean?
We found it was most common in positive social situations—sexual, maternal, and play. They’re all in the 50-kilohertz range, but there are many subtypes. Animals start showing anticipatory chirps before access to play. They also chirp in anticipation of food. After Brian left, I woke up one morning—it must have been 1996—and I said, what if that sound is laughter? I got another student, Jeff Burgdorf, to work in the lab. Every morning I would get in at 9 a.m. He would be waiting for me, and I would say, Jeff, let’s go tickle some rats. I tickled the first rat and it worked beautifully, and the second, and the third. Eventually we developed a standard method where we were doing everything the same and then studying the 50-kilohertz chirps.

Isn’t that making the experimenter part of the experiment?
Yes, but you can’t tickle without it. We tried to get tickle machines—they were nothing like the human hand. Tickling has to be done in a joyful way. It has to have the characteristics of play, and since I had been immersed in play, I didn’t see that that was a big problem. The first animal worked and every animal worked. We got totally addicted to this. Give an animal a really good time, you know? They become so fond of you, it’s unbelievable.

But do the rats recognize you?
Oh, of course. The tickle is a way to the social bond in the rat—a friendship bond. That’s part of the function of play. So we have a psychobiology of cross-species friendship.

Does it cut both ways? Do the rats get mad if you do something wrong?

At one point we decided to ask, what happens to the rats when you put your hand in there but no longer tickle them? Our experiment was to have one hand deliver a tickle touch, and another, just a petting touch. The animals preferred the tickle hand enormously. When the animals came to my petting hand, I got my first bite ever. But it didn’t hurt; it must have been a play bite, like a puppy bite. Then we started measuring play bites. The more the animal wanted to play, the more it would nip, never breaking the skin. I said, whoa. This behavior is totally understandable for anyone who has a cat or dog: Rats give play bites that you could use as a measure of their desire to play. And now you’re getting into the animal’s mind in a fairly profound way.

You make a connection between rat brains and human brains through a concept you call nested brain hierarchy. What is that? 

By nested hierarchy I mean a way of looking at the brain, looking at its layers and how they developed over the course of evolution. Humans go back to the Pleistocene [about 2.5 million years ago], but the emotional part of the brain goes back much further, all the way to the time when ancestral mammals evolved away from reptiles. Primary processes, based in deep subcortical regions, manifest evolutionary memories that are the basic emotional operating systems of the brain. Secondary processes, based on a series of way stations known as basal ganglia, are enriched with the mechanisms for learning—for linking external perceptions with associated feelings. Then on top, the tertiary level is programmed by life experiences through the neocortex, engendering our higher cognitive processes such as thinking, ruminating, and planning. Our capacity to think is fueled by our storehouses of memory and knowledge acquired by living in complex physical and social worlds. But the ancient feeling states help forge our memories in the first place. New memories could not emerge without the underlying states that allow animals to experience the intrinsic values of life.

Researchers have recently tried to treat depression by stimulating the brain with electrodes. The psychiatrist Helen Mayberg, for instance, has found a spot that, when stimulated, seems to relieve depression.

What Helen Mayberg has been doing is at the tertiary level [the neocortex, or center of thought]. We are evaluating similar manipulations at the primary level [ancient structures]. This should be more powerful. At the tertiary level, all you can do is dampen the psychological pain coming from deep down. We are going to that deep place, where we’ll try to do something more direct by amplifying eagerness to live.

You are going to address mood disorders by going straight to the source?
We plan to go smack into it. We think that depression is an underactive seeking urge that has been made underactive by too much psychological pain. We know that all the neural systems are still there, so our goal is to invigorate the primitive seeking urge to provide a positive affect to fight the negative pain. That’s what we’re gonna try.

http://discovermagazine.com/2012/may/11-jaak-panksepp-rat-tickler-found-humans-7-primal-emotions

http://discovermagazine.com/2012/may/11-jaak-panksepp-rat-tickler-found-humans-7-primal-emotion

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