What metacognitive therapy is

Adrian Wells developed metacognitive therapy at the University of Manchester in the 1990s. The starting point was a question that CBT didn’t fully answer: why do some people keep overthinking even after they’ve identified the distortions, challenged the thoughts, and know rationally that the worry isn’t helping?

Wells’ answer: because they believe it is helping. Or they believe they can’t stop it. Or both. These aren’t the thoughts themselves — they’re beliefs about the thoughts. Metacognitions. And until those beliefs are addressed, the loop keeps running regardless of how well you can spot a cognitive distortion.

The term “metacognition” means thinking about thinking. Everyone does it. The problem for chronic overthinkers is that their metacognitions are systematically distorted in ways that maintain the loop. MCT identifies those distortions and targets them directly.

The two types of metacognitions

Wells identified two categories of metacognitive beliefs that maintain overthinking. Both need to be addressed for lasting change.

Positive metacognitions start the loop — they make overthinking feel worthwhile. Negative metacognitions escalate it — they make the overthinking itself a source of anxiety. Most chronic overthinkers have both operating simultaneously, which is why the loop becomes self-sustaining.

The cognitive attentional syndrome

Wells identified a pattern he called the Cognitive Attentional Syndrome — CAS — which he argues is the common mechanism behind anxiety, depression, and chronic overthinking. CAS has three components: worry and rumination, threat monitoring, and unhelpful coping behaviors like thought suppression and reassurance-seeking.

The CAS is maintained by metacognitions. Positive metacognitions activate it — “I should think this through carefully.” Negative metacognitions escalate it — “my worry is out of control.” MCT breaks the cycle by targeting both, using a specific set of techniques that Wells developed and tested across multiple clinical trials.

The core MCT techniques

1. 1
   Challenging positive metacognitions

   The first task is examining the belief that worrying is useful. Wells uses a specific question: “Has worrying about this ever actually solved the problem, or has it just generated more worry?” For most chronic overthinkers, the honest answer is the latter. A second question: “If worrying prepared you for threats, you’d be more prepared than people who don’t worry. Are you?” This is uncomfortable. It’s also usually illuminating.

2. 2
   Challenging negative metacognitions

   Negative metacognitions — the belief that worry is uncontrollable or dangerous — are addressed through direct experiments. Wells asks patients to worry intensely for two minutes, then stop on command. Most people find they can stop more easily than they expected. That experience directly challenges the belief that worry is uncontrollable. The belief isn’t argued away — it’s tested.

3. 3
   Attention training technique (ATT)

   ATT is Wells’ signature tool. You practice deliberately shifting attention between external sounds — selectively, then rapidly, then simultaneously. The goal is attentional flexibility: the ability to redirect awareness away from internal thought loops on demand. Three phases, twelve minutes daily. Wells’ trials show significant reduction in both worry and metacognitive beliefs after eight to twelve weeks of consistent practice. It’s deceptively simple and consistently underestimated.

4. 4
   Detached mindfulness

   Different from standard mindfulness, and worth distinguishing. Detached mindfulness in MCT means becoming aware of a thought without engaging with it — not following it, not suppressing it, not analyzing it. Just noticing its presence and letting it be there. Wells developed this specifically to address the tendency of overthinking to turn even mindfulness practice into another form of ruminative analysis.

5. 5
   Postponing worry

   Similar to the CBT worry postponement technique, but with a different rationale. In MCT, postponing worry isn’t just about reducing time spent worrying — it’s a direct challenge to the negative metacognition that worry is uncontrollable. When you successfully postpone a worry to a designated window, you accumulate direct evidence against the belief that the worry controls you. That evidence is the therapeutic mechanism, not just the reduced worry time.

MCT vs CBT vs ACT

These three approaches are often discussed as alternatives. They’re better understood as targeting different levels of the same problem.

For chronic, treatment-resistant overthinking — the kind that persists despite CBT and mindfulness — MCT often produces change where other approaches have stalled. Wells’ 2015 randomized trial comparing MCT directly to CBT for generalized anxiety disorder found MCT produced larger reductions in worry and metacognitive beliefs at both post-treatment and twelve-month follow-up.

That doesn’t make MCT categorically better. It makes it a useful next step when other approaches haven’t fully worked — and a useful first step for people whose overthinking is explicitly driven by beliefs about the necessity or danger of their thinking.

Getting started with MCT

Wells wrote “Metacognitive Therapy for Anxiety and Depression” as the clinical text, which is thorough but dense. For self-directed work, his chapter contributions to CBT handbooks are more accessible. The attention training technique is fully described in several of his published papers and can be practiced independently without professional guidance.

For the metacognitive belief work — particularly challenging deeply held beliefs about the necessity of worrying — a therapist trained in MCT will get further faster. MCT-trained therapists are less common than CBT therapists but the network is growing. The Association for Contextual Behavioral Science maintains a therapist directory.