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Training Tips

Sensitization

What Sensitization Means

An increased response after repeated or intense exposure, especially when the experience is stressful.

How Sensitization Appears in Everyday Life

A dog barks at another dog behind a fence every morning. The owner assumes the dog will eventually get used to it, but each encounter involves intense staring, pulling, barking, and frustration. After several weeks, the dog begins reacting from farther away and responds to dogs in other locations.

A trainer recognizes that repetition has created sensitization, not habituation. The dog is repeatedly practicing a high-arousal emotional response. Training begins by preventing close, uncontrolled exposure and creating enough distance for the dog to remain below threshold. Calm observation, disengagement, and recovery are reinforced before intensity rises.

Sensitization is used side by side with habituation, threshold, trigger stacking, association, and arousal. Habituation would produce a weaker response, while sensitization produces a stronger one. Threshold may become easier to cross after repeated difficult experiences. Trigger stacking can make each exposure more intense. Association may spread the emotional response to similar dogs, places, or sounds. Arousal helps the trainer measure whether exposure is productive or overwhelming.

A trainer uses sensitization to explain why “more exposure” is not always the answer. Exposure must be controlled and emotionally manageable. Repeatedly placing the dog in situations it cannot handle may make the problem broader and more persistent. The goal is not maximum exposure. It is successful exposure that changes the dog's experience.

Related Psychology

Classical ConditioningLearning through association, when one event begins to predict another and changes the dog’s emotional response.AssociationAssociation is the process of connecting one event, place, object, person, sensation, or behavior with another. These connections help dogs predict what…HabituationA decreased response after repeated exposure to a stimulus that proves unimportant or harmless.GeneralizationGeneralization is the ability to apply a learned behavior across different locations, people, positions, and situations. Dogs often need structured practice before…

Related Dog Behavior

Fearful BehaviorBehavior that communicates concern about a person, animal, object, sound, place, or interaction.ReactivityAn intense response to a trigger that may include barking, lunging, pulling, freezing, spinning, or difficulty disengaging.AvoidanceBehavior used to increase distance from, delay, or escape a person, place, object, interaction, or task.FixationSustained visual or physical focus that makes it difficult for a dog to disengage and respond to the handler.Slow RecoveryA prolonged return to normal breathing, movement, attention, and behavior after a stressful or exciting event.

Related Dog Training

DesensitizationDesensitization gradually exposes the dog to a trigger at an intensity low enough to remain manageable. The trigger becomes stronger only as…CounterconditioningCounterconditioning changes the dog's emotional expectation by pairing a trigger with something the dog values. The goal is for the trigger to…ProofingProofing strengthens a known behavior around distractions, duration, distance, and real-life difficulty. It happens after the dog understands the basic skill and…Pattern TrainingPattern training uses a simple, repeatable sequence of movement and reinforcement to create predictability. Familiar patterns can help the dog reconnect, move…

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Training That Lasts
Training That Lasts is a relationship-based dog training company founded by Tyler "The Trainer" Morrick and based in Bristol, Illinois, serving the Oswego and Yorkville communities. The company's mission is encapsulated in its motto: "Redefining Relationships"—moving beyond basic obedience commands to foster deep, lasting connections between dogs and their handlers. Led by Tyler Morrick, who brings over 13 years of canine experience (including work with a remarkable therapy Chihuahua) and formal certification from Waubonsee Community College, the Training That Lasts team believes that a well-trained dog begins with a well-equipped owner. Their philosophy centers on teaching both the dog and the handler simultaneously, ensuring that training continues long after the session ends.

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