What is desensitisation?
Updated By PetymFacts checked against official sources on
Quick answer
Desensitisation is a way of reducing a pet's fear by exposing it to the scary thing at a level so low it stays calm, then raising it very slowly. It is usually paired with counter-conditioning: something the pet loves, such as a treat, arrives with the sound or sight, so the fear is replaced by a pleasant expectation.
Also called desensitization, desensitisation and counter-conditioning, DSCC, systematic desensitisation.
Key facts
- Merck calls desensitisation and counter-conditioning very important in the early treatment of fears, phobias and anxieties in dogs. Merck Veterinary Manual
- PDSA's method: start the noise at a very low level, reward constantly, and turn it down until the dog is totally comfortable whenever it shows fear. PDSA
- PDSA says desensitisation should always be done with guidance from a vet, vet nurse or accredited behaviourist. PDSA
- Progress can take several weeks, or even months. PDSA
- AVSAB describes systematic desensitisation, as opposed to flooding, as very gradual exposure that keeps the dog feeling safe at all times. American Veterinary Society of Animal Behavior
How do desensitisation and counter-conditioning work together?
Desensitisation controls how strong the trigger is; counter-conditioning changes how the pet feels about it.
A dog that panics at Diwali crackers is not being stubborn: the sound predicts danger to it. Desensitisation starts with a version of that sound so faint the dog barely notices, and raises it in tiny steps, always staying below the point where fear appears. Counter-conditioning adds a good thing at the same moment, such as a piece of chicken or a favourite game, so over many repeats the sound comes to predict something pleasant.
The key word is gradual. AVSAB describes systematic desensitisation as very gradual exposure that keeps the dog feeling safe at all times, as opposed to flooding, where the animal is exposed to the full-strength trigger until it stops reacting. A flooded animal may go still, but stillness is not calm, and the fear can get worse.
What does a noise programme look like before Diwali?
Petym’s working from the official rules, no government publishes a total.
Petym's working from PDSA's method, for a dog afraid of crackers. Start months ahead, not the week before, and build the plan with your vet or a behaviourist.
Three to four months before
Talk to your vet, vet nurse or an accredited behaviourist about a plan. Find a recording of the sound your dog fears. PDSA
Week 1
Play the recording so quietly your dog stays relaxed, and give treats or play the whole time it plays. Stop the sound and the treats stop. PDSA
Following weeks
Raise the volume a notch only when your dog is fully relaxed at the current level. Short sessions, many days a week. PDSA
If fear appears
Wide eyes, a tucked tail, trembling, hiding or freezing mean too loud: turn it down until the dog is comfortable, and go more slowly next time. PDSA
Festival week
Training pauses. Manage instead: a safe den, closed windows, background noise, and only medicine your vet has prescribed.
What else can desensitisation be used for?
Any fear with a trigger you can control the strength of. These are common ones in Indian homes.
Sounds
Crackers, thunder, the pressure cooker
Recorded sounds make the strength easy to control, from a whisper to normal volume. PDSA
Handling
Nail trims, ear checks, the vet
Touch a paw, reward; hold it, reward; show the clippers, reward, over many short sessions. Merck Veterinary Manual
Objects
The lead, a carrier or a harness
PDSA uses the same idea for a dog that gets over-excited when the lead appears: bring it out often, clip it on and off, until it means little. PDSA
Other animals
Street dogs or the neighbour's cat
Distance controls the strength: start far enough away that your pet can still eat, and close the gap slowly. Ask a behaviourist for help with a reactive dog. American Veterinary Society of Animal Behavior
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Questions owners ask
How long does desensitisation take?
- PDSA says progress can take several weeks or even months, and it should not be rushed. Each step up only happens when the pet is fully relaxed at the current level. For a festival like Diwali, start months ahead rather than in the week before the crackers begin.
Can I desensitise my dog to fireworks on my own?
- PDSA advises doing desensitisation with guidance from a vet, vet nurse or accredited behaviourist, because going too fast can make fear worse. For a severe phobia your vet may also prescribe medicine to use alongside training. Never give a pet human medicines or anything your vet has not prescribed.
What is the difference between desensitisation and flooding?
- Desensitisation keeps the trigger below the level that causes fear and raises it slowly, so the pet feels safe throughout. Flooding exposes the animal to the full trigger until it stops reacting. AVSAB favours systematic desensitisation; a flooded animal may freeze, which is not the same as being calm.
Does it work for cats too?
- The principle is the same for cats: keep the trigger weak enough that the cat stays relaxed, pair it with something it enjoys, and build up slowly. Cats often show fear by hiding, so watch for it, and ask your vet for help if your cat is very frightened.
Keep reading
Related terms
More in training
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- Crate trainingCrate training is teaching a dog to rest calmly in a crate, with treats and gradual steps, so the crate feels like a safe den rather than a cage. Used well it helps with house-training, keeps puppies safe and eases travel. It is never a punishment, never for long hours, and not a fix for separation anxiety.
- House-trainingHouse-training teaches a dog to toilet in the right place, usually outdoors or on a chosen spot. It works by taking the puppy out often, especially after sleep, meals and play, and rewarding it straight away when it goes. Accidents are cleaned up without punishment. Puppies do not have full bladder capacity until about 12 months old.
- Loose-leash walkingLoose-leash walking means your dog walks beside you with a slack lead instead of pulling. It is taught with rewards: you stop the moment the lead goes tight, wait for slack, then reward and move on. Painful gear such as choke chains is not needed, and on busy Indian roads a calm, slack-lead dog is far safer.
- Positive reinforcementPositive reinforcement is a training method in which a pet gets something it likes, such as a treat, toy, play or praise, straight after doing a behaviour, so that behaviour becomes more likely. It is the core of reward-based training, which the American Veterinary Society of Animal Behavior recommends for all dog training and behaviour problems.
- RecallRecall is a dog's trained response to come straight back to you when called, every time, whatever else is happening. It can save a dog's life near traffic. A reliable recall is built with high-value rewards, a dedicated cue word, short easy practice that gets slowly harder, and a long line for safety, never with punishment or shock collars.
- SocialisationSocialisation is the gentle, positive introduction of a young animal to the people, animals, sounds, places and handling it will meet as an adult. The main window is short: about the first three months for puppies and roughly two to seven weeks of age for kittens. Animals that miss it are more likely to be fearful later.
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Sources
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