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What is Dialectical Behaviour Therapy (DBT) and How Does DBT Work?

DBT is a structured, skills-based therapy that helps people learn how to feel, cope, and respond differently — not by getting rid of emotions, but by learning to ride the waves instead of getting swept away by them.

By Taylor Pagniello, RP, M.A.

Oct 16, 2025

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Let’s talk about Dialectical Behaviour Therapy (DBT) — one of the most practical and transformative therapies out there, especially for people who feel emotions intensely, struggle with impulsivity, or experience frequent relationship turmoil.

DBT is a structured, skills-based therapy that helps people learn how to feel, cope, and respond differently — not by getting rid of emotions, but by learning to ride the waves instead of getting swept away by them.

The Origins of DBT: Why It Was Created

DBT was originally developed in the late 1980s by psychologist Dr. Marsha Linehan. She designed it for people who felt emotions so strongly that traditional therapy often didn’t help — especially those living with Borderline Personality Disorder (BPD), self-harm, or chronic suicidality.

But over the years, DBT has expanded to help a wide range of people: those struggling with anxiety, depression, trauma, eating disorders, ADHD, substance use, or just chronic emotional overwhelm.

What makes DBT different is that it’s built on a dialectic — the idea that two seemingly opposite things can be true at once.
For example:

  • You are doing the best you can and you can learn to do better.
  • Your emotions make sense and they can sometimes lead to behaviours that hurt you.
  • Change is necessary and acceptance is also necessary.

That balance — between acceptance and change — is at the heart of DBT.

The Core Philosophy: Balancing Acceptance and Change

In most therapies, there’s a heavy focus on changing thoughts or behaviours. DBT takes it a step further by saying: before we can change, we often have to accept what’s happening.

That doesn’t mean “liking” or “approving” of pain, but acknowledging reality so we can work with it instead of fighting it.

DBT blends mindfulness (drawn from Buddhist philosophy) with evidence-based behavioural techniques (like exposure, reinforcement, and skills practice).

So it’s part wisdom, part science — helping people build both insight and practical coping skills.

The Four Core Skill Modules of DBT

DBT is famous for its skills training, which are divided into four core areas:

1. Mindfulness: Being Present Without Judgment

The foundation of DBT.
Mindfulness teaches you how to stay grounded in the here-and-now — to notice your thoughts and feelings without immediately reacting or judging them.

You learn to observe, describe, and participate fully in the moment.
This helps you create space between feeling an emotion and acting on it.

2. Distress Tolerance: Surviving the Moment

When life gets hard or emotions feel unbearable, these are the “emergency kit” skills.
You learn how to get through crises without making them worse — through distraction, self-soothing, radical acceptance, or improving the moment.

It’s not about fixing things instantly; it’s about surviving the storm safely.

3. Emotion Regulation: Understanding & Shifting Emotions

This module helps you understand how emotions work — why they show up, what they’re trying to tell you, and how to reduce emotional vulnerability.

You’ll learn how to:

  • Recognize early emotional cues
  • Build habits that stabilize mood (like sleep, nutrition, movement)
  • Change emotional responses that don’t serve you
  • Build opposite-action skills (acting opposite to an emotion’s urge when it’s not helpful)

4. Interpersonal Effectiveness: Navigating Relationships

This is about learning to ask for what you need, say no when necessary, and maintain relationships while respecting yourself.

You’ll build assertiveness, boundary-setting, and communication skills — especially important for people who either over-accommodate or explode under stress.

What DBT Looks Like in Practice

DBT can be delivered in several formats — often as a combination of:

  • Individual therapy (one-on-one with a therapist)
  • Group skills training (learning and practicing skills in a small group setting)
  • Between-session coaching (some DBT therapists offer brief phone or text support when clients need help applying skills in real time)

Therapy tends to be structured — clients usually complete homework, track emotions, and practice skills daily.

A hallmark of DBT is commitment and collaboration. Therapist and client work as a team — with openness, accountability, and compassion.

How DBT Works: The Science Behind It

Research has consistently shown that DBT is one of the most effective treatments for emotion dysregulation and self-destructive behaviors.

Studies have found that DBT helps:

  • Reduce self-harm and suicidal behaviours
  • Improve emotional stability
  • Decrease hospitalization and crisis use
  • Enhance relationship satisfaction and overall functioning

A meta-analysis of 34 randomized controlled trials found DBT significantly improved emotion regulation, mindfulness, and distress tolerance compared to control treatments (Kliem et al., 2010; Neacsiu et al., 2018).

Recent findings also show that DBT’s effectiveness extends beyond BPD — it’s been shown to help people with PTSD, depression, substance use, and ADHD (Linehan et al., 2015; Neacsiu et al., 2021).

In short: DBT changes how people relate to their emotions, not by turning them off — but by teaching them how to respond with awareness, intention, and self-respect.

Why DBT Feels So Empowering

What many clients love about DBT is that it’s practical and compassionate at the same time.
It doesn’t shame people for struggling — it acknowledges that many coping patterns developed for a reason, often as survival skills.

Instead of “you need to stop doing that,” DBT asks, “What need is this behavior trying to meet, and how can we meet it in a healthier way?”

That shift — from judgment to curiosity — can change everything.

Is DBT Right for You?

DBT might be a good fit if you:

  • Feel emotions very intensely or have rapid mood shifts
  • Struggle with impulsive behaviors or self-sabotage
  • Have difficulty maintaining stable relationships
  • Feel “out of control” or ashamed of emotional reactions
  • Want structured tools and accountability
  • Are willing to practice between sessions

It’s not a quick fix — but with time, DBT helps you build a life that feels more stable, peaceful, and aligned with your values.

  • Linehan, M. M. (2015). DBT® Skills Training Manual (2nd ed.). Guilford Press.
  • Kliem, S., Kröger, C., & Kosfelder, J. (2010). Dialectical behavior therapy for borderline personality disorder: A meta-analysis using mixed-effects modeling. Journal of Consulting and Clinical Psychology, 78(6), 936–951.
  • Neacsiu, A. D., Bohus, M., & Linehan, M. M. (2018). Dialectical behavior therapy: An intervention for emotion dysregulation. In Gross, J. (Ed.), Handbook of Emotion Regulation (2nd ed.).
  • Neacsiu, A. D., Ward-Ciesielski, E. F., & Linehan, M. M. (2021). Dialectical behavior therapy: Overview, efficacy, and future directions. Annual Review of Clinical Psychology, 17, 435-458.
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