OCD Center — Hattem Asadi
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Mental compulsions and “Pure O”

Some OCD rituals happen mainly in the mind. “Pure O” is an informal term sometimes used for OCD with few visible compulsions, but it can obscure mental rituals, reassurance seeking and avoidance.

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Illustration of a woman sitting at a desk with an open notebook, absorbed in thought.
Mental reviewing and rumination may be difficult for other people to see. Illustrative scene.

What a mental compulsion can look like

  • Replaying a conversation to establish exactly what you meant.
  • Reviewing a memory until it feels trustworthy.
  • Replacing an unwanted thought with a “good” one.
  • Testing your feelings or bodily reactions for proof.
  • Analysing a question repeatedly to reach complete certainty.

Thinking about a problem is not automatically a compulsion. The function matters: is the thinking helping you make a workable decision, or repeatedly trying to remove uncertainty without a lasting resolution?

Rumination can feel like problem-solving

You may feel that one more analysis will finally settle the issue. Yet the answer often becomes less satisfying the longer you examine it. An example is repeatedly reviewing whether a social interaction revealed something bad about your character, even after identifying no new information.

Why thought suppression can become another ritual

Trying to force a thought away, check whether it has disappeared or replace it perfectly can keep attention focused on it. Therapy distinguishes having a thought from engaging in an extended response to it. The aim is not to monitor your mind continuously or make it empty.

How therapy addresses hidden rituals

Assessment makes the internal steps visible: what triggers the review, what question you are trying to answer and how you decide to stop. CBT with ERP can then target these responses alongside visible behaviours. Online work may include agreed practice, discussion of obstacles and review of how rituals show up between appointments.

You do not need to describe every thought perfectly before seeking support. One recent example can help begin the conversation.

Further reading and clinical sources

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