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Showing posts with label cats. Show all posts
Showing posts with label cats. Show all posts

Even Shy Shelter Cats Can Learn Tricks

Researchers show that even old or shy cats can learn new tricks like high five or sit.

Scientists clicker trained cats to do tricks, like this kitten doing a high five


If you think training cats is all the rage lately, you might be right. Recently I wrote about a study that found the best way to train cats was with food (rather than click-then-food or just click). Now another study, by Dr. Lori Kogan (Colorado State University) et al, investigates training shelter cats to do four different behaviours.

Not only did most of the cats learn the tricks, but it shows this is possible even in a shelter setting which is inevitably stressful for the cats.

100 shelter cats were taught to nose-target either a chopstick or the trainer’s finger, to spin, to sit, and to high-five (touch the trainer’s hand with one of their front paws). The trainers took the traditional clicker training approach, in which the click is a bridge that marks the behaviour and predicts a food reward.

Fifteen 5-minute training sessions took place over a 2 week period, at the end of which the cats were assessed to see how well they performed the behaviour on cue:

  • 79% of cats could nose-touch the target
  • 60% could spin
  • 31% could do a high-five
  • 27% could sit on cue.

This was significantly more than could do those behaviours prior to the training sessions. And when you include the cats who had learned to ‘almost’ do the behaviour – for example, almost sat but did not quite have the tailbone on the floor – you realize just how well the cats did. Considering the training was time-limited and took place in a stressful environment, some of the cats probably just needed a little more time.


Even old and shy cats can learn tricks, like this old ginger-and-white cat sitting
Photo: Juli Hansen; top, Sue McDonald. Both Shutterstock.


I asked Cheryl Kolus DVM, one of the authors of the study, what she would like shelter staff to know about the findings. She told me,
“I think the most important thing for shelter staff is that they can now reference the scientific literature that proves shelter cats can be clicker trained if they need to get buy-in from management about starting a clicker training program. 
“A couple other important things to note is that even if a cat appears fearful initially, many are still trainable, and that the social interaction can really help a cat adjust positively to the shelter environment.”
There are some really interesting findings to do with food motivation and shyness too. The cats that were rated as more highly food motivated at the start of the session did better than those who were not at the two behaviours of high-five and nose-touching the target. Cats who were rated as shy prior to the training did just as well at training as those that were not. And the age and sex of the cat did not make a difference either.

This shows that any cat (even those that are shy or older) can take part in a training programme.


The cats had two training sessions a day using a standardized plan, and one trainer took the morning shift while another trainer did the afternoons. For the duration of the study, the cats were housed in a separate unit within the shelter at which they were based. Cats were trained in their cage or in a small or larger room, depending how comfortable they were with the situation and what else was happening in the unit at the time (e.g. the presence of volunteers spending time with the cats).

Food motivation was assessed prior to the training by offering each cat a lid with chicken baby food on and a lid with canned tuna. This was also used as a preference test as whichever food the cat went to first was then used as their reward during training. After the scientists had made some choices for cats who seemed unsure, 62% of the cats got canned tuna and 38% got chicken baby food.

Some cats were not very interested in these foods, and they were offered a variety of different foods including cat treats during the training sessions, until the trainers found one the cat liked. A few cats seemed uninterested in the food but very keen on petting and so got petting as a reward instead.

You can see the second author, Cheryl Kolus, demonstrating how to teach a cat to touch a target in this video.




Other research has found that training sessions for shelter cats are linked to more contented cats with better physical health, as assessed by behavioural signs such as normal grooming and by levels of Immunoglobulin A in stool samples.

The authors of this study suggest that clicker training could be a useful enrichment program for shelter cats. The results show that any cat can be trained, and age or shyness should not be considered exclusion criteria for training sessions. The researchers also showed flexibility in training the cats where they felt comfortable (in their cage if necessary). They say training sessions may help cats cope with the stressful environment of a shelter – and they may also help make potential adopters more interested in the cats.

They also point out that positive interactions with humans may help simply by encouraging the cats to come to the front of the cage or out into the room, where they are more visible to potential adopters.

Although studies that trained shelter dogs have not necessarily resulted in increased adoptions (see here and here), it may be different for cats, since it is quite unusual for a cat to have a party trick. It could make for some great “adopt-me” videos. I look forward to seeing future research on this!

The paper is open access and you can find it via the link below.

If you want to know more about training cats, you might enjoy my interview with Dr. Sarah Ellis about her book (with John Bradshaw), The Trainable Cat: A Practical Guide to Making Life Happier for You and Your Cat. And Cheryl Kolus DVM has some helpful resources including videos (such as the one above) on her website.

Reference
Kogan, L., Kolus, C., & Schoenfeld-Tacher, R. (2017). Assessment of Clicker Training for Shelter Cats. Animals, 7(10), 73. doi:10.3390/ani7100073

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Companion Animal Psychology News September 2017

Make sure you haven't missed a thing with the latest favourites and news from Companion Animal Psychology

A dog and cat reading the news about cats and dogs



Some of my favourite posts from around the web this month


"When you have a frenzied dog barking, growling, screeching, and lunging at the end of a lead, the idea that the dog is simply frustrated by an inability to investigate that other dog is not the first thing that comes to mind." Dog play and cognitive biases by Lisa Skavienski at Your Pit Bull and You.

Puppy-farmed dogs show worse behaviour, suffer ill health and die young – so adopt don’t shop by Catherine Douglas.

“Ever heard the phrase “you get the dog you need”? Or even the thought that some dogs are “special” or universally arranged to land in our lives at the right time? The idea that some of our dogs will be game-changers over the course of our career.” Game changers by the Cognitive Canine.  

What it’s like to be a dog. Marc Bekoff interviews Gregory Berns about his new book.

“Next time you see someone walking a dog in a muzzle, offer them a smile. They are being responsible dog owners who are trying to help their dogs and keep everyone safe.” To muzzle or not to muzzle by Emily Levine at Decoding Your Pet.

Just because the Kong Pawzzle is for dogs, doesn’t mean cats won’t like it. Food Puzzles for Cats gets some felines to try it.

“If a stressed cat is an unhealthy cat, then a happy cat is more likely to be a healthy one. What can cat owners do to make their cats not only less stressed, but more happy?” Happiness is key to cat health by Catalyst Council.

If you’re thinking of adopting a cat, here are some things to think about from Ingrid Johnson


Photos, videos and podcasts


Pet rescues in Harvey’s wake via the Atlantic.

Expressive portraits reveal the quirky human-like qualities of different dogs. Dog portratis by Alexander Khokhlov.

Dr Lisa Radosta on making your family home Fear Free.

The Pet Professional Guild World Service interviews Dr. Ilana Reisner about her upcoming presentation for PPG on dog bites and children.

“These little felines represent your community in addition to just the cute photo we see.” Will the Bodega cats of instragram be put out of business by the latest tech start-up, asks the Guardian.


News


A court in Oregon has upheld a decision ordering a family to have their dogs “debarked”. This procedure is illegal in many countries.

How the chaos of Hurricane Katrina helped save pets from flooding in Texas by Karin Brulliard for the Washington Post.

A proposed bill in California would ban the sale of animals from puppy mills or mass breeding operations.


Events


The Dog Breeding Reform Group is holding a seminar at the University of Surrey on tackling inherited and conformational problems in dogs. 22nd October 2017.

Managing compassion fatigue: How to care for yourself while caring for animals and people. Webinar by Dr. Vanessa Rohlf for the Pet Professional Guild, Thursday 28th September 2917,  5pm - 6pm (EDT).


Here at Companion Animal Psychology


I’m delighted to say that Companion Animal Psychology has been nominated for the People’s Choice Award: Canada’s Favourite Science Blog. Please vote for me here.

This month, the Companion Animal Psychology Book Club is reading Pets on the Couch: Neurotic Dogs, Compulsive Cats, Anxious Birds, and the New Science of Animal Psychiatry by Nicholas Dodman.

Gina Bishopp wrote a fantastic guest post about what it means when dogs lick their lips or look away: Do dogs use body language to calm us down?

An interesting new study finds the best way to train cats is with food.

And I also published a list of the resources that you will find on this website, from the people and blogs to follow, to a list of dog training research resources that will satisfy your inner dog training geek. Check out the list and let me know what you find helpful.

Lately there’s been some interesting research on dog walking, including a recent study by Carri Westgarth et al, covered here by Robert Bergland.  Bergland says, "Although most dog owners said the primary reason they walked regularly with their non-human "significant other" was the well-being of their dog, the symbiotic feedback loop of improved psychological and physical health created an upward spiral of wellness for all parties involved."

It has set me thinking about what I enjoy about walking my dog. One of those things would be getting outside whatever the weather, but sometimes my dog Bodger sticks his head out the door and decides he doesn’t want to go any further. This is especially the case in heavy rain and of course it’s his choice. But most of the time we are both happy on a walk, him sniffing here, there (and everywhere), and me just enjoying the fresh air. What do you enjoy about taking your dog for walkies?

As always, you can reach me on twitter, Facebook or by email (companimalpsych at gmail dot com). Until next time,

Zazie


Companion Animal Psychology is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

The Best Way to Train Cats is With Food

Using food alone is the quickest way to train cats to touch a target, according to this pilot study.

How to train cats, like this beautiful white cat with blue eyes
Photo: Esin Deniz (Shutterstock)

You can train cats to go up to a target and touch it with their nose. This in itself will be news to many people, but researchers at Massey University have investigated the best way to train cats to do this. It involves food.

There’s a lot of interest in training cats at the moment, not necessarily to perform obedience behaviours like sit and stay, but to help them in their daily lives. You can teach your cat to like going in their cat carrier so trips to the vet don’t have to begin with you getting scratched-up arms. And you can use positive reinforcement to help teach your cat where they are allowed to scratch (along with provision of the right scratching post, of course).

Erin Willson et al picked the behaviour of touching a red wand target with the nose, and set about training 9 cats to do this. They divided them into three groups: one that was rewarded with food alone, one that used a bridging stimulus (a beep followed by the food reward), and one that used a secondary reinforcer only (a beep – previously associated with food – but no food).


The first two of these conditions will be familiar to dog trainers who use positive reinforcement, since they equate to the use of food only or to click-plus-treat. The last condition may have some of you thinking back to an interesting talk by Simon Gadbois at SPARCS about the clicker and the emotions of seeking vs liking (you can read a nice summary and discussion on Patricia McConnell’s blog).

The scientists concluded that both food alone and the bridging stimulus (beep plus food) worked, but that food alone was faster. The secondary reinforcer only (beep but no food) did not work. In fact cats in this group began scratching and biting the experimenter.

This is only a small study so there weren’t really enough cats to draw firm conclusions about training methods.  Nonetheless the results are very interesting, and it is really nice to see cat training getting the attention of researchers.

The study used a Treat & Train, which is an automatic food dispenser. The red wand target comes with the machine.

12 cats from the university’s feline unit took part in the study. They were aged 2 to 12 years.

Use food to train cats, like this calico cat sitting pretty for a treat
Photo: Kristi Blokhin (Shutterstock)


3 of them took part in what is called an extinction procedure. First they were taught that the beep from the Treat and Train machine meant food was about to arrive. The next day they heard the beeps without any food arriving, to see how long it would take for their response to the beep to extinguish (in other words, until they stopped approaching for food). The median response was 11 trials. This was important information for one of the conditions in the experiment.

9 cats were trained to nose-touch the target using a standardized plan. This was a shaping procedure, so cats were initially rewarded for just looking at the target, then for getting progressively closer until eventually they were expected to touch it with their nose.

The cats were divided into three groups. A beep is meaningless to a cat, so two of the groups (the bridge group and the secondary reinforcer group) were taught to associate the beep from the machine with food. Food is a primary reinforcer because it naturally has value to cats.

The food-only group got to hang out with the machine without any beeping, so that time with the machine would not be a factor.

During the training sessions, the food-only group was rewarded with food from the Treat and Train whenever they performed the correct behaviour. The machine was set up not to beep.

For the bridge group, the beep of the machine was used as a bridge, something that marks the right behaviour and fills the time until the arrival of food. In this condition, the beep is always followed by food. When the cat performed the correct behaviour, the machine beeped, and then food arrived.

For the last group, the beep was used as a secondary reinforcer. In other words, when cats performed the right behaviour, they heard the beep but did not get food. These cats were given some additional beep-food pairings to maintain this association and prevent its extinction (that’s why the first part of the experiment was important).

All of the cats in the food-only group and the bridging stimulus group (beep plus food) learned the behaviour. The group reinforced with food-only was faster at learning the task, but took the same amount of trials as the bridge group.

None of the cats in the secondary reinforcer (beep-only) group learned it. As mentioned above, the cats in this group began to scratch and bite the experimenter. Perhaps they were frustrated that they could not figure out how to get the food. (This reminds me of the study of the Eureka effect in dogs, where dogs became reluctant to enter the experimental area when they could not make the reward happen).

So if you are planning to train a cat, you should use food. (Incidentally, food is also important when training dogs).

The experimenters used a piece of Hill’s kibble as the reward.  If you’re training a cat at home, you might find other kinds of food more motivating; see my interview with Sarah Ellis on The Trainable Cat for some ideas.

The results of this study are broadly in line with Chiandetti et al’s (2016) dog training study, which found no difference between use of food only, clicker-plus-food, or verbal-marker-plus food (that study did not test a secondary-reinforcer-only option).

The cats were assigned to groups in the order they happened to participate, and it turned out three older cats were assigned to the secondary-reinforcer-only group. We don’t know if age and gender of the cats would make any difference to trainability and this would be another topic for future research.

The authors conclude,
“the use of a primary reinforcer, alone, or a bridging stimulus (followed by a primary reinforcer) appeared to be efficacious for training cats to perform a novel task. However, the primary reinforcer, alone, may be a more time efficient method. The use of a secondary reinforcer, alone, may not be efficacious.”

Incidentally, learning to touch a target with the nose may seem like a trick, but it has its uses. Some people train their dogs to touch a target (such as their hand) and hold in place. It’s called a stationing behaviour because it keeps the dog still at a station, and can be useful during veterinary examinations.

This is a fascinating study and I hope to see lots more research on cat training in the future.

Have you ever tried to train a cat? If so, how did it go?


Further Reading on Cat Training


If you want to know more about how to train cats, you might like these books:

The Trainable Cat: A Practical Guide to Making Life Happier for You and Your Cat by John Bradshaw and Sarah Ellis. (This is a must-read for all cat owners).
Clicker Training for Cats by Karen Pryor - also available as part of a kit: Karen Pryor, Getting Started: Clicker Training for Cats Kit.
Cat Training in 10 Minutes by Miriam Fields Babineau.
Trick Training for Cats by Christine Hauschild.


Reference
Willson, E. K., Stratton, R. B., Bolwell, C. F., & Stafford, K. J. (2017). Comparison of positive reinforcement training in cats: a pilot study. Journal of Veterinary Behavior: Clinical Applications and Research.

Companion Animal Psychology is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com and affiliated sites.

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Companion Animal Psychology News August 2017

The latest news on dogs and cats from Companion Animal Psychology.

The latest on dogs and cats from Companion Animal Psychology



Some of my favourites from around the web this month


Adding a younger pet to a geriatric household. American Veterinarian speaks to Dr. Marsha Reiss.

On-leash etiquette, management and reactivity. Great tips from Allison Wells for the Academy for Dog Trainers.

“So. I did say most dogs play just fine. As any dog trainer will tell you, some dogs who enjoy play also seem to be...well, kind of bad at it” Eat, play, love by Kristi Benson CTC explains how to fix it if this applies to your dog.

“The classic self-recognition test gets a makeover for dogs, using smell, not sight.” Beautiful explanation by Dog Spies by Julie Hecht of a new study on self-recognition in dogs.

Are dogs getting cuter? John Bradshaw PhD on the rise in popularity of brachycephalic dogs such as pugs.

What do cats do when they pee and poo? By Mikel Delgado, PhD. You know you want to know.

6 things to know before adopting a rat. Guest post by Monica Kucic at Dr. Jo Righetti's Pet Problems Solved.


Photos, Videos and Podcasts


The comedy pet photography awards.

This photographer fights rat phobia with irresistibly cute pictures. They really are! Photos by Diane Ă–zdamar.

If you’ve thought of building a catio and need some ideas, you’ll like these photos of catios in Oregon. For those who are local, the Feral Cat Coalition of Oregon and the Portland Audubon Society are hosting a catio tour 10am – 2pm on Saturday, 9th September (details in the article).

Get your timing right… Clare Browne PhD interviewed by Animal Training Academy

A beard, a baby and three dogs. The video on this post from All Dogs Go to Kevin demonstrates clearly how to teach sit, down, and stay – three foundation behaviours for all dogs.


News


“Nearly 1 in 2 German Shepherds is being put down because they are unable to walk.” New research from the UK on the problems afflicting this breed.

The city of Montreal has written to hundreds of people to order them to get rid of their pit bulls within four weeks.


Events


Managing Compassion Fatigue: How to Care for Yourself while caring for animals and people. Webinar by Dr. Vanessa Rohlff for Pet Professional Guild. 28 September 2017 5 – 6.30pm EDT.

Animals in our midst: How did pet-keeping evolve? Free lecture by Dr. John Bradshaw, Southampton, Friday 6th October, 18.00 – 20.00 BST.

Feline Science Symposium at the SF SPCA with Mikel Delgado, Tony Buffington, Monique Udell, Jeannine Berger and Sara Bennett. Saturday 4th November 2017, 9.30 to 4pm.


Here at Companion Animal Psychology


The book club is reading How to Tame a Fox (and Build a Dog): Visionary Scientists and a Siberian Tale of Jump-Started Evolution by Lee Dugatkin and Lyudmila Trut. Don’t miss it.

When dog trainers get into arguments about methods, they tend to focus on the risks associated with aversive techniques. But there’s another side to consider too: since reward-based training is enjoyable for dogs, dogs that are trained with aversive methods are missing out on positive experiences. I write about the science of dog training methods and animal welfare in a guest post for The Academy for Dog Trainers: The double advantage of reward-based training.

At the end of last month, I wrote about the sensitive period for socialization in puppies and kittens. It’s a useful reference for anyone who wants to understand this important time for brain development.

Also on the blog, I wrote about successful outcomes for beagles rehomed after taking part in laboratory research (far better than the alternative!), and the importance of paying attention to our dogs and noticing those subtle signs of stress.

And my annual summer reading list features sound advice on dogs and cats from a range of authors (all of whom are well worth following on social media).


And finally… 


If things have seemed a bit quiet on Companion Animal Psychology this month, it’s because I took a fortnight off to visit family in England. I’m back now, having had a lovely time, but with a rotten cough and cold.

One of the things I love about pubs and cafes in the UK is that so many of them are welcoming to dogs. It’s really nice to go for a dog walk through the beautiful English countryside, followed by a pub lunch with your dog; or to pop out for coffee and cake in a bookstore and take the dog with you. Below are a couple of photos I snapped of signs on the door of two pubs in St Albans.

Dog-friendly pub sign; newsletter says more places should be dog-friendly
Sign outside Ye Olde Fighting Cocks pub in St Albans, one of the oldest pubs in England


It's great when pubs and cafes are dog-friendly; this sign is from a pub in St Albans
Sign on the door of the John Bunyan pub in St Albans


It couldn’t happen here: strict bylaws prohibit dogs from bars, restaurants and cafes – even on the patio. Personally, I think the cafĂ© or bar owner should be allowed to decide for themselves if they want to allow dogs on the patio or not. It’s nice for dogs to be able to go out and about with their people (and continuing social activities like this are good for them too, assuming the dog is not fearful). Plus, of course, it’s nice for the owner. It’s obvious dogs should not be in the kitchen, but the same rules need not apply to patios.

I wish more establishments were dog-friendly. What’s it like where you live?


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The Sensitive Period for Socialization in Puppies and Kittens

Important building blocks for a behaviourally-healthy cat or dog.

A shy puppy hiding under a table on the deck
Let shy puppies hide if they want to. Photo: Anna Hoychuk (Shutterstock)


The sensitive period for socialization is a very important time in the lives of kittens and puppies. This is when their brains are especially receptive to learning about the kind of social world they will live in as they get older.

For both kittens and puppies, the sensitive period for socialization is a time when they need lots of positive experiences with all kinds of people and other animals. During this time they will also habituate to anything they might meet in later life (different sounds, surfaces, etc). If they are well socialized during the sensitive period, they are likely to develop into friendly, confident adult dogs and cats.

Sometimes people aren’t sure how to do socialization, so it’s important to note these should be positive experiences. You can use food to help make positive associations, and insofar as possible give the puppy or kitten a choice. For example, wait for them to approach you instead of forcing yourself on them; let them hide and take their own time to come out if they are shy. This will help to build their confidence.


The Sensitive Period for Socialization in Puppies


In puppies, the sensitive period begins at 3 weeks and goes on until about 12 or 14 weeks. Our knowledge of this period comes from classic experiments that involved isolating puppies during this time. We don’t know exactly when the sensitive period ends, and it may end at slightly different times depending on the breed.

This means two things for people who get puppies. First of all, because part of the sensitive period occurs before the puppy comes to live with you, it’s important to ensure you get a puppy from a breeder or rescue where the puppy is in a home environment and getting socialization already. Puppies acquired from pet stores are more likely to have behaviour problems such as aggression, and one reason could be that they are missing those early socialization opportunities because the environment they are born into is typically not a home environment. An early socialization program for puppies means they are less likely to have behaviour problems such as body sensitivity and separation-related behaviours as adult dogs.

Second, it means you have to be prepared to continue socialization during those first few weeks the puppy is with you.


The sensitive period for socialization in puppies and kittens
Photo: Bad Monkey Photography


Sometimes people want to wait until their puppy has had all its vaccinations before beginning socialization. This is understandable, but unfortunately it means they miss this important period. Because the leading cause of death of young dogs (under 3) is euthanasia due to behaviour problems, rather than infectious diseases, the American Veterinary Society for Animal Behaviour recommends that puppies start puppy class at 7-8 weeks of age. Puppies should have one set of vaccinations before the first class, and should also be dewormed.

Choose your puppy class with care to make sure the dog trainer will use reward-based methods. Classes should include socialization opportunities with people and play with the other puppies, not just basic obedience (see: why do dogs play?). Puppy class usually lasts 6 weeks, and one study suggests that a one-off puppy party does not have as many benefits.

Remember it’s your job to take care of your puppy and ensure those experiences are positive. If other people want to pet your puppy, be sure to give your puppy a choice.


The Sensitive Period for Socialization in Kittens


In kittens, the sensitive period for socialization is between 2 and 7 weeks. This is typically before a kitten comes to live in your home, showing how important it is to get kittens from someone who will have socialized them.

We know this from a study by Eileen Karsh that handled kittens for four weeks from the ages of 3 weeks, 7 weeks, and 14 weeks. When tested at 14 weeks, the kittens that had been handled from 3 weeks of age stayed for much longer when placed on a person’s lap.

Research shows that if kittens are handled by 4 – 5 different people during this time, they will be more sociable as adult cats than if only one person had handled them. When kittens are handled and played with by more people between the third and ninth weeks, they are not just more friendly, but people seem to feel a closer bond with them, so it affects human attachment to the cat too.

Just as for puppies, it’s important the handling is a positive experience for kittens. Again, you can give them a choice (let them approach you). Speaking nicely to them while handling is also a good idea.

Even though the sensitive period for socialization will have passed when you bring your kitten home, it’s important to continue to give the kitten positive experiences. This will help them to generalize what they have already learned.

Most people don’t take their kittens to a class, but some places do offer them – it’s called Kitten Kindy® (as in kindergarten). Kitten Kindy® was created by Dr. Kersti Seksel, a veterinary behaviourist in Australia. Maybe your vet will know of a class near you, since these classes are often held at vet clinics. That means there’s a bonus that the kittens will start to have positive experiences at the vet!

The sensitive period for socialization in puppies and kittens


Kitten class is typically for kittens aged 7 – 14 weeks, and is two or three sessions. Kittens should have had their first vaccination and been dewormed.

Kitten classes should include teaching your kitten to like the cat carrier, how to be handled and groomed, and having the nails trimmed and given medication – all useful skills for your cat. Depending on where you live, it might also include teaching kitty to walk on a harness and leash. If the class includes kittens from other litters, then they get the chance to learn to be around other cats (although they will not necessarily interact).

There should also be lots of useful info on how to provide what your cat needs (scratching posts, enrichment, suitable litter trays, toys and playtime, etc), and how to deal with behaviour problems.


Why is it called a sensitive period?


You may also have heard people refer to a critical period for socialization. A critical period means that if the right exposure doesn’t happen during that window, the abilities will never be developed. It has a sharp beginning and end, and is most likely controlled by genetics.

For example, the critical period for vision in cats is from when their eyes open (between 2-16 days) and 3 months. If they are deprived of visual information during this time, some of the cells in their brain responsible for vision will not develop correctly and even die, meaning they will never develop normal feline vision. One of the classic experiments on this deprived kittens of vision in one eye for the first few months of their life. When they restored vision to that eye, the kittens still did not develop binocular vision.


In contrast a sensitive period has a more gradual onset and offset, during which time the brain becomes more sensitive to the right kinds of experiences, and then towards the end of the period it becomes less sensitive.  Exposure to stimuli during this time affects the developing brain and may also increase plasticity. Of course puppies and kittens don't have identical experiences, and perhaps different kinds of exposures will affect the brain in different ways, but work towards the same goal. Plasticity of the brain means that it may be possible to still develop in some ways if these exposures happen later than they should have, even if the development will never be quite the same.

It is difficult to define the beginning and end of these periods, although research on neurological development is providing a lot more information.

Early brain development is so important because it provides the scaffolding for further development later in life – something that also applies to human babies.


Humans have sensitive periods too


Sometimes people are surprised by the idea of a sensitive or critical period. It’s useful to know that children also have sensitive periods for development, during which important brain development occurs in response to the child’s environment.

As mentioned above, these early experiences provide the scaffolding for future development. In fact you will often hear people use the analogy of building a wall – if some of those early experiences are missing, it’s like some bricks are missing from the first layers of the wall.

Children’s early life experiences are very important. Babies need to have lots of positive experiences with adults, very little stress and good nutrition to help build a strong brain architecture. If they do, then by the time they start school they are in a better position to learn than children who have not had those experiences. Although some stresses (small and brief) are part of normal, healthy development, we now know that chronic stress in early childhood can be very damaging. If you’d like to know more, there is an excellent series of videos from the Center on the Developing Child at Harvard University.




What do you think are the implications of these sensitive periods?


Further reading


The books Dog Sense and Cat Sense by John Bradshaw are a great read and include chapters on the science of puppy and kitten development. You can read more about the research on socialization periods here, as well as lots of other interesting facts that will help you understand your dog or cat better.

In The Inner Life of Cats, Thomas McNamee talks to Eileen Karsh about her research on kitten development, and weaves the tale of his own cat in with his account of feline science.

Culture Clash by Jean Donaldson is a great introduction to what you need to know to train your dog. The Trainable Cat by John Bradshaw and Sarah Ellis explains how to teach your cat the skills they need to be happy in our world.

You might also enjoy The Boy Who Was Raised as a Dog by Dr. Bruce Perry and Maia Szalavitz, which looks at how psychiatrists and psychologists can use what we know about early human development to help children who’ve been through trauma.

If you’re looking for something academic, these two books cover the early development of dogs and cats (and many other topics besides):

The Domestic Dog: Its Evolution, Behavior and Interactions with People, edited by James Serpell.

The Behaviour of the Domestic Cat by John Bradshaw, Rachel Casey and Sarah Brown.


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Companion Animal Psychology News July 2017

July’s round-up of the latest news on cats and dogs.

The latest stories on dogs, cats and science



Some of my favourites from around the web 


Dr. Rebecca Ledger uses the Five Domains model for forensic animal behaviour analysis by Kat Littlewood and David Mellor PhD. How the mental experiences of animals can be inferred for animal cruelty prosecutions in Canada.

Remember to play. Trumping animals and their homes: Seeing light in dark times by Marc Bekoff PhD. Some advice on how to maintain hope in the face of depressing news.

What determines a cat’s coat? Brandon Baker speaks to Dr. Margret Casal, associate professor of medical genetics, to find out. An intriguing introduction to the genetics of coat colours.

“What about dogs who are scared of toys that make noise or big/novel objects?” Enrichment for fearful dogs by Erica Beckwith CTC.

Never force your cat when training. Pam Johnson Bennett on ways you can offer your cat choice.

Why kids with pets are better off by Hal Herzog PhD looks at the results of a study of the impact of pets on children that surprised the researchers.

And it’s never too soon to start to help a dog who is afraid of fireworks. Good and bad ways to help, by Julie Hecht.


Pets in the news 


Mog author Judith Kerr to publish new book.

Vancouver bans pet stores selling puppies and kittens, and so does North Plainfield NJ.

The number of overweight pets has increased, according to a new report.

Being friendly is in dog’s nature, say scientists. New research looks at genetic variation in dogs and wolves.


Events 


Feline foraging toys: How to implement, motivate and stage the difficulty level. Webinar by Ingrid Johnson for Pet Professional Guild. Weds 26th July, 4pm – 5pm (EDT).



Photos, Videos and Podcasts 


Do you understand your dog? Fascinating podcast with Professor Paul McGreevy.

The Animal Training Academy podcast with Kate Mornement PhD. Kate Mornement talks about how she learned about positive reinforcement training, her PhD research on assessing shelter dogs, and some of her favourite animal training stories.

Do animals need more freedom? Jessica Pierce PhD and Marc Bekoff PhD talk about freedom and compassion for animals

Thai cats. A breeder is working with Kasetsart University in Thailand to save the Suphalak breed of cat. Beautiful photos accompany this story.



Here at Companion Animal Psychology 


Lincoln Animal Ambassadors recently interviewed me for their blog. Thanks to Allison for such great questions!

How strong is children’s attachment to their pets? At Psychology Today, I wrote about how children’s attachment to their pets is linked to friendship and caring behaviours.

What your cat’s nose knows takes a look at the role of chemical signals in your cat’s life. Understanding the importance of scent and pheromones for felines can help us improve their welfare.

Did we evolve to love dogs? This guest post from Kristi Benson CTC has got people thinking.

Rewards, welfare and the animal’s perspective in training. My round-up of the Train for Rewards blog party.

The book club is taking a break this month, but will be back in August with Lee Dugatkin’s How to Tame a Fox (and Build a Dog): Visionary Scientists and a Siberian Tale of Jump-Started Evolution.

And the Companion Animal Psychology t-shirt continues to sell well. It is available in many colours, and 100% of the proceeds go to the BC SPCA Maple Ridge, which is my local shelter.


Companion Animal Psychology is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Amazon.ca and Amazon.co.uk.