JH
Jonathan Haber
David Burns

What are cognitive distortions and how do you recognize them in your own thinking?

Burns’ ten thinking errors, how to spot them, and what to do when you find one

Short answer

Cognitive distortions are systematic patterns of inaccurate thinking that maintain anxiety, depression, and low self-esteem — patterns like all-or-nothing thinking, catastrophizing, and mind-reading. David Burns popularized a list of ten common distortions in "Feeling Good," drawing on Aaron Beck’s cognitive therapy. The core claim — that these thought patterns are identifiable, learnable, and correctable through deliberate examination — is well supported by CBT’s strong evidence base.

David Burns’ "Feeling Good" brought Aaron Beck’s cognitive model to a general audience by giving the thinking patterns names — all-or-nothing thinking, overgeneralization, catastrophizing, mind-reading. Naming distortions serves a therapeutic function: it creates distance between the thought and the thinker, transforming "I’m a failure" from a felt truth into a recognizable cognitive error that can be examined. The practices below are not about positive thinking — they are about accurate thinking.

The practices (8)

Why it works

All-or-nothing thinking reflects a failure of the prefrontal cortex to hold the middle ground when the emotional system is activated. Threat appraisal promotes categorical processing (safe/dangerous) because nuance is slow and costly. In ordinary life this shows up as "If I didn’t do it perfectly, I failed" — treating any deviation from an idealized standard as total failure. This fuels perfectionism, procrastination (better not to start than to do it imperfectly), and self-criticism spirals.

How to do it
  1. 1When you notice an extreme evaluation ("I completely bombed," "I always do this"), look for the binary word: "always," "never," "completely," "totally."
  2. 2Ask: "What is the actual percentage? If 100% = perfect, where am I?" Most situations land in the 40–80% range.
  3. 3Ask: "What would I say to a friend in the same situation?"
  4. 4Replace the binary with a spectrum statement: "I made some mistakes, but I also did these things well."
  5. 5Practice rating situations on a 0–100 scale rather than as success/failure to build the neural habit of graded evaluation.
Evidence
Clinical practice

All-or-nothing thinking is a well-described cognitive pattern in the depression and perfectionism literature. CBT that targets this pattern (and cognitive distortions generally) has a strong evidence base for depression and anxiety.

Honest caveat: The specific taxonomy (Burns’ 10 distortions) is a pedagogical tool, not a diagnostic category; the underlying construct of negative cognitive bias is what is empirically studied.

Common mistake: Identifying the distortion but then accepting the original evaluation anyway — "I know it’s all-or-nothing thinking but it really is true that I failed." Naming the distortion is step one; examining the evidence is step two.
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