Vary exposure contexts to prevent return of fear

Expose yourself to the feared situation across multiple contexts so extinction generalizes.

Why it works

Inhibitory learning theory (Craske et al.) holds that exposure does not erase the fear memory but creates a new inhibitory memory that competes with it. Because memories are context-dependent, fear often returns in novel contexts even after successful extinction. Practicing exposure across varied contexts builds a richer inhibitory memory network, making generalization more robust.

How to do it

1. Once a hierarchy step is comfortable in one context, deliberately repeat it in two or three different environments.
2. Vary time of day, location, and who is present.
3. Occasionally return to a previously mastered item after a gap to strengthen extinction retention.
4. Accept some temporary fear recovery as information rather than failure.

Evidence

Return-of-fear phenomena (renewal, spontaneous recovery) are well documented in laboratory and clinical research; varied-context exposure is recommended in modern exposure protocols as a result. (observational)

Most trial evidence still uses massed exposure in a single context; the inhibitory learning additions are theoretically motivated and promising, but fewer large RCTs test them directly.

Sources

• Craske et al. (2014), maximising exposure therapy: inhibitory learning model, Behaviour Research and Therapy

Common mistake

Practicing exposure exclusively in the therapist’s office or a single safe environment, then being surprised when fear returns in a new setting.