CBT vs ERP
A side-by-side comparison: mechanism, evidence, the conditions each treats, philosophical roots, and where they actually disagree clinically.
At a glance
How they work
CBT
Core mechanism: Identifying and restructuring cognitive distortions + behavioral experiments + exposure reduces maladaptive appraisals and avoidance
Ontology: Dysfunctional cognitions (automatic thoughts, core beliefs) that distort appraisal of self, world, and future
ERP
Core mechanism: Prolonged exposure to obsessional triggers without compulsive response produces habituation and inhibitory learning
Ontology: Obsessions are maintained by compulsive neutralization; avoidance prevents disconfirmation
Conditions treated
1 shared · 11 CBT-only · 0 ERP-only
Both treat
Only CBT
What each assumes — and misses
CBT
Philosophical roots: Epictetus, Marcus Aurelius (Stoic appraisal theory — it is not things that disturb us but our judgments); Kant (rational autonomy); Popper (falsifiability as therapeutic method); Ellis cited Stoics explicitly
Blind spots: May underemphasize attachment history, relational dynamics, and the therapeutic relationship itself as mechanism of change
Therapeutic voice: What evidence do you have for the thought that nobody cares about you?
ERP
Philosophical roots: Mowrer (two-factor theory); Pavlov (classical conditioning); Rachman (habituation); Craske (inhibitory learning); empiricism broadly
Blind spots: Highly effective for OCD but narrow in scope; exposure without relational attunement can feel mechanical
Therapeutic voice: I know touching the doorknob without washing feels unbearable right now. Can you stay with that feeling and let it be?
Choosing between them
CBT and ERP both sit within the Cognitive-Behavioral tradition — they share a worldview about what suffering is and how change happens. Differences are more often about technique and emphasis than about underlying theory.
For deeper coverage: see the full CBT and ERP pages, or use the interactive comparison tool to add more modalities to this comparison.