Systematic Desensitization, what is it? What does it mean 💭 Systematic Desensitization (SD) = Is a technique used to change the perception the animal has in response to a stimulus (feared or not) ⚽ But is most commonly used to alter perception of a feared stimulus (where sensitization has occurred) 🔥 When using SD we employ graduated (small and short duration) exposure, below threshold. 😊 The animal doesn't have to do anything (and won't do anything if stimulus is presented briefly and streng