Which has stronger evidence, ACT or KAP?

ACT is guideline-recommended; KAP is guideline-recommended. Both have evidence for Depression & Mood Disorders, Chronic Pain & Somatic Symptoms, Substance Use & Addictions.

Which conditions can be treated by both ACT and KAP?

Both ACT and KAP are applied to 3 shared conditions: Depression & Mood Disorders, Chronic Pain & Somatic Symptoms, Substance Use & Addictions.

ACT vs KAP

Q: What's the difference between ACT and KAP?

ACT works by Psychological flexibility through acceptance, defusion, present-moment awareness, values clarification, and committed action KAP, by contrast, works by Ketamine-induced neuroplasticity + dissociative state creates window for psychotherapeutic processing and new learning ACT sits within the Cognitive-Behavioral tradition; KAP sits within the Psychedelic tradition.

A side-by-side comparison: mechanism, evidence, the conditions each treats, philosophical roots, and where they actually disagree clinically.

At a glance

ACT

Tradition: Cognitive-Behavioral
Founder: Steven Hayes (1999)
Evidence: Guideline-recommended
Focus: Experiential + Skill
Format: Individual + Group
Duration: Short-medium

KAP

Tradition: Psychedelic
Founder: Various (Wolfson, Bennett) (2010)
Evidence: Guideline-recommended
Focus: Experiential + Processing
Format: Individual
Duration: Short-medium

How they work

ACT

Core mechanism: Psychological flexibility through acceptance, defusion, present-moment awareness, values clarification, and committed action

Ontology: Psychological inflexibility: cognitive fusion and experiential avoidance narrow behavioral repertoire

KAP

Core mechanism: Ketamine-induced neuroplasticity + dissociative state creates window for psychotherapeutic processing and new learning

Ontology: Treatment-resistant conditions involve rigid neural patterns; ketamine disrupts rigidity and opens plasticity window

Conditions treated

3 shared · 5 ACT-only · 1 KAP-only

Only ACT

Anxiety Disorders OCD & Related Disorders Psychosis & Schizophrenia Spectrum Insomnia & Sleep Disorders Adult ADHD

Only KAP

PTSD & Acute Trauma

What each assumes — and misses

ACT

Philosophical roots: Pragmatism (James, Dewey — truth as workability); functional contextualism (Pepper); Buddhism (attachment as suffering, mindfulness); Skinner (radical behaviorism, reframed)

Blind spots: Acceptance framing can feel dismissive of legitimate suffering; metaphor-heavy approach may not land for all clients

Therapeutic voice: What if the goal isn't to get rid of the anxiety, but to take it with you toward what matters?

KAP

Philosophical roots: James (varieties of religious experience — altered states as data); Grof (non-ordinary states); neuroplasticity research; mystical tradition broadly

Blind spots: Regulatory fragmentation; limited standardization of psychotherapy component; risk of ketamine becoming the treatment rather than catalyst

Therapeutic voice: As the medicine takes effect, just notice what arises without directing it. We'll make sense of it together.

Choosing between them

ACT (Cognitive-Behavioral) and KAP (Psychedelic) come from different traditions, which means they assume different things about what a person is, what causes suffering, and what the therapeutic relationship is for. The choice between them is often less about "which works better" and more about which set of assumptions fits the client and the therapist.

For deeper coverage: see the full ACT and KAP pages, or use the interactive comparison tool to add more modalities to this comparison.