[Durgical](https://durgical.com/en/) › [DurgiPedia](https://durgical.com/en/durgipedia/) › [Behavioral science](https://durgical.com/en/behavioral-science/) › [Learning and behavior](https://durgical.com/en/behavioral-science/areas/learning/) › Behavior therapy: exposure, desensitization, token economy and more

# Behavior therapy: exposure, desensitization, token economy and more

- Technique

Behavior therapy changes problem behavior directly with learning principles, without needing to uncover its origins first.

Updated Nov 5, 2026

## Key points

- Systematic desensitization (Wolpe): relaxation training plus a graded fear hierarchy, from least to most frightening; relaxation is incompatible with anxiety (reciprocal inhibition). Classic for specific phobia.
- Flooding: prolonged exposure to the most feared stimulus at once, without escape, until anxiety falls.
- Exposure and response prevention is the core psychotherapy for OCD: facing the trigger without performing the compulsion.
- Aversive conditioning pairs an unwanted behavior with something unpleasant (disulfiram makes alcohol cause flushing and nausea).
- Token economy (operant): tokens for target behaviors, exchanged later for privileges; used in inpatient units and with children.
- Moisture (bell-and-pad) alarm for nocturnal enuresis: bladder fullness becomes the cue to wake; with reward charts it is a first-line, lasting treatment.

## What it is

Behavior therapy applies classical and operant conditioning to change symptoms and behavior here and now. Techniques based on classical conditioning (exposure, systematic desensitization, aversive conditioning) change emotional responses to stimuli; those based on operant conditioning (token economy, contingency management, shaping) change behavior through its consequences. Many are now part of cognitive behavioral therapy.

## How it is done

- Define the target behavior in observable terms (how often, when, where).
- Record a baseline before starting, so change can be measured.
- Analyse antecedents and consequences: what triggers the behavior and what maintains it.
- Choose the technique that fits the mechanism: exposure for learned fear, reinforcement for missing behavior, response prevention for rituals.
- For exposure, build a graded hierarchy with the patient and teach a coping or relaxation skill.
- Practise in steps, staying in each situation until anxiety falls, and add homework between sessions.
- Reinforce progress immediately and consistently, then thin the reinforcement so gains last.
- Plan relapse prevention: practise in new contexts and anticipate setbacks.

## Behavior techniques matched to their principle and main uses

| Technique | Principle | What happens | Classic use |
| --- | --- | --- | --- |
| [Systematic desensitization](https://durgical.com/en/conditions/social-anxiety-disorder-and-specific-phobia/) | Classical: counterconditioning | Relaxation paired with graded imagined or real exposure | Specific phobias (flying, needles, animals) |
| [Exposure (graded, prolonged, flooding)](https://durgical.com/en/conditions/post-traumatic-stress-disorder-and-acute-stress-disorder/) | Classical: extinction | Repeated contact with the feared cue without escape | Phobias, panic, PTSD (prolonged exposure) |
| [Exposure and response prevention](https://durgical.com/en/conditions/obsessive-compulsive-disorder/) | Extinction plus blocking negative reinforcement | Facing obsessions without rituals | Obsessive-compulsive disorder |
| [Aversive conditioning](https://durgical.com/en/conditions/alcohol-use-disorder/) | Classical: pairing with an unpleasant stimulus | The behavior becomes linked to discomfort | Alcohol use (disulfiram), nail biting |
| Token economy | Operant: secondary reinforcers | Tokens for target behaviors, exchanged for rewards | Inpatient units, classrooms, children's behavior |
| [Contingency management](https://durgical.com/en/conditions/stimulant-use-disorder/) | Operant: positive reinforcement | Vouchers or prizes for negative drug tests | Stimulant use disorder |
| [Moisture alarm and reward chart](https://durgical.com/en/conditions/nocturnal-enuresis/) | Classical (bladder cue → waking) plus operant rewards | An alarm wakes the child at the first drops of urine | Nocturnal enuresis |
| [Applied behavior analysis](https://durgical.com/en/conditions/autism-spectrum-disorder/) | Operant: shaping and chaining | Small steps reinforced toward communication and daily skills | Autism spectrum disorder |
| Biofeedback | Operant: feedback as reinforcer | A signal shows muscle tension or skin temperature so the person learns to change it | Tension headache, Raynaud phenomenon, pelvic floor dysfunction |

## Clinical notes

- Exposure often raises anxiety at first, which leads some patients to drop out; explaining why it works improves completion.
- In enuresis, rewards are given for effort (going to the toilet before bed, helping change the sheets), not only for dry nights; shaming and punishment are counterproductive.
- Behavior therapy treats the behavior, not the cause: a medical cause (for example of enuresis or tics) is ruled out first.

## Memory aid

Fear needs facing, missing behavior needs rewarding, rituals need blocking: exposure, reinforcement, response prevention.

## Test yourself

Think of the answer, then tap the question to see it.

## A woman with a fear of needles learns relaxation and then works through a list from looking at a picture of a syringe to having blood drawn. What technique is this?

Systematic desensitization: relaxation combined with a graded fear hierarchy, based on counterconditioning (reciprocal inhibition).

## What is the core behavioral psychotherapy for obsessive-compulsive disorder?

Exposure and response prevention: the patient faces the trigger of the obsession and refrains from the compulsion, so the anxiety falls without the ritual.

## On what principle does a token economy in a psychiatric ward work?

Operant conditioning with secondary reinforcers: tokens earned for target behaviors are exchanged for privileges, increasing those behaviors.

## How does the moisture alarm treat nocturnal enuresis?

It wakes the child at the first drops of urine; with repetition, the sensation of a full bladder becomes the cue to wake or to hold urine (conditioning).

[Add to my cards (4)](https://durgical.app/estudiar/?add=/en/behavioral-science/behavior-therapy-exposure-desensitization-token-economy-and-more/)

## Connections

## Related 7

- [Classical conditioning](https://durgical.com/en/behavioral-science/classical-conditioning/)
- [Operant conditioning: reinforcement and punishment](https://durgical.com/en/behavioral-science/operant-conditioning-reinforcement-and-punishment/)
- [Schedules of reinforcement](https://durgical.com/en/behavioral-science/schedules-of-reinforcement/)
- [Habituation, extinction, learned helplessness and modelling](https://durgical.com/en/behavioral-science/habituation-extinction-learned-helplessness-and-modelling/)
- [Cognitive behavioral therapy and cognitive distortions](https://durgical.com/en/behavioral-science/cognitive-behavioral-therapy-and-cognitive-distortions/)
- [Psychotherapies: which one for what](https://durgical.com/en/behavioral-science/psychotherapies-which-one-for-what/)
- [Dialectical behavior therapy, ACT and mindfulness](https://durgical.com/en/behavioral-science/dialectical-behavior-therapy-act-and-mindfulness/)

## Related conditions 8

- [Social anxiety disorder and specific phobia](https://durgical.com/en/conditions/social-anxiety-disorder-and-specific-phobia/)
- [Obsessive-compulsive disorder (OCD)](https://durgical.com/en/conditions/obsessive-compulsive-disorder/)
- [Nocturnal enuresis](https://durgical.com/en/conditions/nocturnal-enuresis/)
- [Autism spectrum disorder (ASD)](https://durgical.com/en/conditions/autism-spectrum-disorder/)
- [Post-traumatic stress disorder (PTSD) and acute stress disorder](https://durgical.com/en/conditions/post-traumatic-stress-disorder-and-acute-stress-disorder/)
- [Panic disorder](https://durgical.com/en/conditions/panic-disorder/)
- [Alcohol use disorder](https://durgical.com/en/conditions/alcohol-use-disorder/)
- [Stimulant use disorder (cocaine, amphetamines)](https://durgical.com/en/conditions/stimulant-use-disorder/)

## In Pharmacology 1

- [Disulfiram](https://durgical.com/en/pharmacology/disulfiram/)

[← All of behavioral science](https://durgical.com/en/behavioral-science/)

Educational content on behavior and the clinical relationship; not a diagnostic or treatment guide and no substitute for assessment by a health professional. If you or someone near you is at risk, seek help now from an emergency service or a mental-health helpline.

Sources: [Obsessive-Compulsive Disorder: When Unwanted Thoughts or Repetitive Behaviors Take Over](https://www.nimh.nih.gov/health/publications/obsessive-compulsive-disorder-when-unwanted-thoughts-or-repetitive-behaviors-take-over) (National Institute of Mental Health (NIMH), 2024); [Treatment of Bladder Control Problems & Bedwetting in Children](https://www.niddk.nih.gov/health-information/urologic-diseases/bladder-control-problems-bedwetting-children/treatment) (National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), 2024); [Contingency Management: Incentives for Sobriety](https://pmc.ncbi.nlm.nih.gov/articles/PMC6760431/) (Alcohol Research & Health (PubMed Central), 1999).

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Representative model, for educational purposes only.

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License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite as: DurgiPedia (durgical.com), https://durgical.com/en/behavioral-science/behavior-therapy-exposure-desensitization-token-economy-and-more/