Cognitive defusion
Also known as Defusion
Seeing thoughts as passing words and pictures instead of truths or orders.
At a glance
In plain words
Fused, Defused, Not getting rid of thoughts
See all 3Techniques
"I'm having the thought that…", Repeat it aloud, Give it a form …
See all 5Examples of defusion
Fused vs defused wording, What fusion looks like, Locating the thought …
See all 8What the research says
Inside ACT's evidence, Active ingredient not proven
See all 2Connections
Acceptance and commitment therapy (ACT), Cognitive behavioral therapy and 8 others
See all 10
Also on this page: Key facts · Sources · Related pages
- Cognitive fusion is being so caught up in a thought that it feels like literal truth or a rule.
- Defusion is stepping back to see the thought as words and pictures passing through.
- It changes how a thought affects you, not what the thought says or how often it comes.
- Unlike classic CBT, it never argues with or disputes the thought.
Why it matters
- A quick, learnable skill for anyone stuck on harsh self-judgements or worries; one of the six core processes of ACT.
Key facts
- In short
- Change your relationship with a thought, not its content1
- Opposite
- Cognitive fusion: literal language dominating behaviour even when it does harm3
- Part of
- One of the six core processes of Acceptance and commitment therapy (ACT)4
- Key technique
- Put "I'm having the thought that…" in front of a painful thought2
- How many techniques
- Over a hundred are described in ACT writing2
In plain words
-
Fused2
A thought like "I'm a loser" feels like a fact, an order or a threat, and steers what you do.
-
Defused2
The same thought is noticed as a string of words. It can stay, but it has much less pull.
-
Not getting rid of thoughts1
The aim is to alter what thoughts do, not their form or how often they come.
Techniques
-
"I'm having the thought that…"2
Hold the thought "I am X", then repeat it with this phrase in front. Most people feel a distance open up.
-
Repeat it aloud1
Say the thought over and over until only its sound remains.
-
Give it a form1
Treat the thought as an object with a shape, size, colour or speed; or see it on a karaoke screen.
-
Silly voices and songs2
Hear it in a cartoon voice or sing it to "Happy Birthday".
-
Thank your mind1
Say "Thanks, mind" for such an interesting thought, and label thinking as thinking.
Examples of defusion
-
Fused vs defused wording1
Fused: "I am no good." Defused: "I am having the thought that I am no good." The second treats it as a thought, not as what it refers to.
-
What fusion looks like5
A depressed client fused with "I'm unlovable" and "there's no point trying" avoids the people he cares about and stops working towards his goals.
-
Locating the thought2
Asked where the thought "I'm a loser" seemed to be, a client sensed it in front of him, like words he could see. As he "looked" at it with curiosity it became less distressing.
-
Karaoke screen2
He then saw the same words on a karaoke screen, changed the font and colour, and added a bouncing ball. He ended up chuckling at a thought that had brought him to tears minutes before.
-
Naming the story5
Harris's ACT Companion app has you list your mind's most common "not good enough" criticisms and pick the one that pushes you around most, so you can recognise that "not good enough" story when it shows up.
-
Thoughts on buses5
A guided exercise has you "place" each thought on the side of a bus as it pulls in and out of a bus stop, letting it come and go without engaging with what it says.
-
Singing it2
Illustration: someone whose mind keeps saying "I'm a failure" sings those words to the tune of "Happy Birthday". The words are the same; their grip is weaker.
-
"Thanks, mind"2
Illustration: before a presentation the mind says "You'll mess this up"; the person silently answers "Thanks, mind" and carries on, without arguing with the thought.
What the research says
Connections
Related
- Cognitive behavioral therapyTopicUnlike CBT's cognitive restructuring, it does not evaluate or dispute thoughts
- A Liberated Mind: How to Pivot Toward What MattersBookNoticing thoughts with curiosity is the first skill
- ACT Made Simple: An Easy-To-Read Primer on Acceptance and Commitment TherapyBookTeaches defusion skills for clients
- Acceptance and Commitment Therapy: The Process and Practice of Mindful ChangeBookOne of the six core processes, with its own chapter
- Embracing Your Demons: an Overview of Acceptance and Commitment TherapyPaperExplains defusion with exercises
- Get Out of Your Mind and Into Your Life: The New Acceptance and Commitment TherapyBookDefusing from negative thoughts is one of its core skills
- The Oxford Handbook of Acceptance and Commitment TherapyBookChapter 9
- Schema modesTopicCompared to the Healthy Adult stepping back from modes
- The Happiness Trap: Stop Struggling, Start LivingBookIts unhooking techniques for difficult thoughts
Sources
- The six core processes of ACT (Association for Contextual Behavioral Science) (opens contextualscience.org)
- Embracing Your Demons: an Overview of Acceptance and Commitment Therapy (Russ Harris, Psychotherapy in Australia, August 2006) (opens actmindfully.com.au)
- About ACT (Association for Contextual Behavioral Science) (opens contextualscience.org)
- Acceptance and commitment therapy (Wikipedia) (opens en.wikipedia.org)
- Using the ACT Companion App for defusion (Russ Harris, 2016) (opens actmindfully.com.au)
Last checked against its sources today
Is something on this page wrong or out of date? Tell us
The line under a date fills as time passes: empty when new, then one equal share each for a day, a week, a month and a year. For episodes and other items it is full at 2 years; for "last checked", at a year. A striped line means the date is known only to the month or year.