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MBCT · 5 min read

Mindfulness-Based Cognitive Therapy

An 8-week group program that uses mindfulness to prevent depressive relapse.

Originator: Zindel Segal, Mark Williams, John Teasdale (1990s, building on MBSR)Best for: Recurrent depression (3+ episodes) · Residual depressive symptoms · Anxiety · Stress-related conditions

Core idea

MBCT integrates Kabat-Zinn's MBSR with CBT principles to interrupt the rumination cycles that drive depressive relapse. Rather than disputing thoughts, clients learn to relate to them as passing mental events — shifting from a 'doing' mode (problem-solving the self) into a 'being' mode (allowing experience). Delivered as a manualized 8-week group with daily home practice.

Key concepts

Doing vs. being mode
Doing mode tries to fix the self; being mode allows experience as it is.
Decentering
Seeing thoughts as thoughts, not facts — the core mechanism of change.
Three-minute breathing space
Brief practice: aware → gather → expand. Used as a coping pause in daily life.
Automatic pilot
Living without awareness — the entry point for rumination.
Relapse signature
Each person's early warning signs of a depressive episode — identified and tracked.

What a session looks like

  1. 1
    Weeks 1–2
    Awareness of automatic pilot; body scan; mindful eating (raisin exercise).
  2. 2
    Weeks 3–4
    Mindfulness of breath and body; recognizing aversion and rumination.
  3. 3
    Weeks 5–6
    Allowing/letting be; thoughts are not facts; working with difficulty.
  4. 4
    Week 7
    How can I best take care of myself? — nourishing vs. depleting activities.
  5. 5
    Week 8
    Maintaining and extending the practice; relapse prevention plan.

Signature techniques

Body scan
Systematic 30–45 min attention through the body — the foundational practice.
Sitting meditation
Breath → body → sounds → thoughts → choiceless awareness.
Three-minute breathing space
The portable practice — used at the first sign of difficulty.
Mindful movement
Gentle yoga or walking meditation.
Thoughts-and-feelings exercise
Notice how interpretation of an ambiguous event shifts mood.

Evidence base

Recommended by NICE for prevention of depressive relapse in people with 3+ prior episodes — reduces relapse by ~30% vs. usual care, comparable to maintenance antidepressants. Growing evidence for anxiety, bipolar, and cancer-related distress.

Common pitfalls

  • ▸Delivering MBCT without a personal mindfulness practice — competence requires it.
  • ▸Turning the group into talk therapy or psychoeducation — practice is the medicine.
  • ▸Using MBCT in acute depression — designed for prevention and residual symptoms.
  • ▸Dropping home practice expectations — outcomes track with practice minutes.
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Where to go next

Mindfulness-Based Cognitive Therapy for Depression (2nd ed.)
Segal, Williams, Teasdale
The manual.
The Mindful Way Workbook
Teasdale, Williams, Segal
Client-facing 8-week program.
Oxford Mindfulness Centre Teacher Training
Oxford Mindfulness Foundation
Standard training pathway.