Praxical.Psych

Mindfulness-Based Cognitive Therapy

Depressive relapse is triggered when mild dysphoria reactivates the ruminative, self-critical processing style laid down in previous episodes, and it is prevented by training a different mode of mind — decentred, present, and non-elaborative — before the slide begins.

1979 – presentMBCTEvidence: Strong & replicatedChapter 11 · Extension beyond the syllabus
The claim, in one line

Not feeling better, but getting better at being with what is — and noticing the slide before it becomes a fall.

Who built it

  • Jon Kabat-Zinn

    Molecular biologist, UMass Medical School

    Developed Mindfulness-Based Stress Reduction in 1979, adapting Buddhist meditation practice into a secular eight-week group programme for chronic pain — the template every subsequent mindfulness-based intervention follows.

    MBSR
  • Zindel Segal, Mark Williams & John Teasdale

    Clinical researchers

    Set out to build a maintenance cognitive therapy for recurrent depression, found that the mechanism was metacognitive rather than content-based, and built MBCT on that finding.

    MBCT

Theory of personality

MBCT rests on the differential activation hypothesis: in people who have been depressed, even mild sadness reactivates the whole pattern of negative thinking that accompanied previous episodes. Each episode strengthens the association, so less and less is required to trigger it — which is why relapse risk climbs with each episode and why after three episodes the risk exceeds 70%.

Two modes of mind

Doing mode

  • Detects discrepancy between how things are and how they should be
  • Generates action to close the gap
  • Superb for external problems
  • Applied to mood, produces rumination: why am I like this, what is wrong with me
  • Conceptual, evaluative, time-travelling

Being mode

  • Allows experience to be as it is, without a discrepancy to close
  • Direct sensory contact rather than conceptual commentary
  • Present-moment, non-evaluative
  • No agenda of fixing
  • Available to be trained

Theory of psychopathology

MBCT is a relapse-prevention treatment and is explicit about that scope. Its target is not the current episode but the pattern of recurrence, and the mechanism it targets is rumination and the automatic reactivation of depressogenic processing by ordinary low mood.

Theory of change

Change comes through decentring: relating to thoughts as passing mental events rather than as facts or as the self. This is the same target as ACT’s defusion, arrived at from a different direction, and it is measurable — decentring mediates outcome in several trials.

  1. 1Regular formal practice builds the capacity to notice where attention is.
  2. 2Noticing allows early detection of the slide into rumination, before it gathers momentum.
  3. 3Decentring changes the relationship to the thought rather than its content.
  4. 4Deliberate response replaces automatic reaction — the "three-minute breathing space" is the mechanism in miniature.
  5. 5A relapse-prevention plan links warning signs to specific practices.

Key concepts

The vocabulary you need to read the literature and to be understood in supervision.

Where it sits in the transtheoretical grid

Which change processes the system leans on, and at what level of content it aims.

Change processes emphasised
  • Consciousness raising

    Increasing information about oneself and the problem - feedback, interpretation, education, observation.

  • Counterconditioning

    Substituting an incompatible response for the problem response - relaxation, assertion, exposure, defusion, opposite action.

  • Self-reevaluation

    Appraising how one thinks and feels about oneself with respect to the problem; values clarification.

  • Stimulus control

    Restructuring the environment so that problem cues are less likely and healthy cues more likely.

Content levels targeted
  • Maladaptive cognitions
  • Symptom & situational problems
Compare against other systems

Your notes

Saved in this browser only. Export from Progress.
Educational use only

Praxical.Psych is a teaching tool. It is not medical, clinical, psychological or legal advice, not a diagnosis, not treatment, not supervision, and not a credential. Nothing here creates a clinician–patient or solicitor–client relationship. Every patient, case, transcript and simulated session is fictional. Clinical and legal requirements vary by jurisdiction and change over time — verify anything that bears on a real decision against your own regulator, statute and current professional guidance, and consult a qualified professional.

Do not enter real patient information. If you or someone else is in crisis: US & Canada 988 · UK & Ireland 116 123 · Australia 13 11 14 · elsewhere findahelpline.com · immediate danger, your local emergency number.

Praxical.Psych · © 2026 Moonlit Social Labs. All rights reserved.

Before you begin

What Praxical.Psych is, and is not

Praxical.Psych is an educational tool. It teaches the theory, evidence base and clinical method of psychotherapy at the level of an advanced survey course, and it lets you rehearse a complete session in a simulator.

It is not medical, clinical, psychological or legal advice. It cannot diagnose or treat anyone, and it does not state the law where you practise — requirements differ by jurisdiction and change. Nothing here creates a clinician–patient or solicitor–client relationship.

  • Every patient, transcript and case in this app is fictional — a composite written for teaching. None depicts a real person.
  • Praxical.Psych is not therapy, not a substitute for supervision, and not a credential. Competence to practise comes from training, supervised hours and licensure.
  • Scores from the instruments here are for learning how they behave. They are not a diagnosis and not a risk assessment, and must not inform a decision about a real person.
  • Do not enter real patient information. Everything you type stays in this browser, but that is not the same as a compliant clinical record system.
If you are in crisis

In the US and Canada, call or text 988. In the UK and Ireland, call 116 123 (Samaritans). Elsewhere, find a local line at findahelpline.com. In immediate danger, use your local emergency number.

Read the full disclaimer