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Dog training glossary

Desensitization

Quick answer

Gradually exposing a dog to a trigger at a low enough intensity that it doesn't provoke a reaction, then slowly increasing it.

Written by the TailorPup team, updated September 2026. See our editorial approach.

What it means

Desensitization works by keeping a dog below its reaction threshold, usually controlled through distance, while very slowly increasing exposure over many repetitions. On its own it's a passive process; combined with counter-conditioning (actively pairing the exposure with something good), it becomes a far more effective and faster protocol for fear and reactivity.

A real example

A dog reactive to other dogs starts practicing at a distance of 50 feet, where it can stay calm, then moves a few feet closer only once it's consistently relaxed at the current distance.

Common mistake

Starting too close, where the dog is already reacting, which skips desensitization entirely and just rehearses the fear response.

Counter-conditioning and desensitization explained

Related terms

Counter-ConditioningDeliberately pairing a trigger that causes fear or overexcitement with something that produces a better emotional response.ThresholdThe point at which a dog becomes too aroused, fearful, or reactive to think clearly or respond to known cues.FloodingExposing a dog to a full-intensity trigger all at once, with no way to escape.
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