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IRIS Prévention
2 September 2026
CBT is the most scientifically validated psychotherapeutic treatment in the world: hundreds of meta-analyses confirm its effectiveness for more than 20 different disorders.

If psychotherapy were a medicine, CBT would be the treatment with the most rigorous clinical trials in the world. Developed in the 1960s by Aaron Beck for depression and Albert Ellis for anxiety disorders, cognitive behavioral therapy (CBT) is based on a simple and powerful observation: it is not the situation that determines how I feel, it is how I interpret it. Changing my thought patterns and behaviors changed my emotions. And that is learnable, trainable, measurable. According to a meta-analysis by Butler et al. published in Psychological Bulletin (2006) covering 332 studies, CBT is effective for 16 distinct disorders with large effect sizes. Here's how it works in practice.

1. The theoretical model: how CBT understands suffering

CBT is based on a central model: thoughts, emotions, behaviors and physical sensations are in constant interaction and influence each other. A situation does not directly generate an emotion, it is the interpretation I make of it (my automatic thinking) which determines my emotional and behavioral response.

Concrete example: my manager does not respond to an email. Interpretation A: “He is probably very busy” → neutral emotion, behavior: I continue my day. Interpretation B: “He is disappointed with my work, I am going to be fired” → intense anxiety, behavior: I check my emails every five minutes, I ruminate. Same situation, totally different answers depending on the thought.

CBT works on the detection, evaluation and modification of these automatic thoughts, and on the behaviors that maintain or aggravate suffering (avoidance, reassurance, procrastination).

TechniquePrincipleUsed for
Thought Journal (ABC)Identify situation, automatic thought, emotion, behavior, and find alternative thoughtsDepression, generalized anxiety, panic disorder
Cognitive RestructuringQuestion and modify dysfunctional automatic thoughts with evidence and counter-evidenceDepression, anxiety, self-esteem
Graduated exposureGradually expose yourself to the anxiety-provoking situation without compulsion or avoidancePhobias, OCD, social anxiety, PTSD
Activation behavioralGradually increase positive activities despite lack of energy or motivationDepression
Problem SolvingStructured method for identifying and implementing concrete solutionsGeneralized anxiety, depression
Assertiveness trainingDevelop assertive and communication skillsSocial anxiety, low self-esteem self

2. The three levels of CBT: automatic thoughts, schemas and central beliefs

Automatic thoughts: these are the rapid, spontaneous and often unconscious thoughts that arise when faced with everyday situations. “I’m going to fail”, “others will judge me”, “it’s my fault”. This is the first level of work in CBT.

Intermediate rules and postulates: learned conditional beliefs (“if I am not perfect, I am worthless”, “to be loved, I must always please”). They generate automatic thoughts and maintain disorders.

Core beliefs: deep convictions about oneself, others and the world, acquired in childhood (“I am incompetent”, “the world is dangerous”, “others are disappointing”). This is the deepest level of work, addressed in long-term CBT or schema therapies.

3. Concrete progress of CBT therapy

Standard CBT takes place in several phases:- Phase 1, Assessment and conceptualization (2-3 sessions): the therapist collects the history of the problem, identifies the triggering and maintaining factors, and constructs with me a conceptualization of the problem in cognitive and behavioral terms. We define the therapeutic objectives together.

  • Phase 2, Active work (8-15 sessions depending on the disorder): alternation between office sessions and work between sessions (thought journals, behavioral experiments, exposure exercises). The main techniques vary depending on the disorder being treated.
  • Phase 3, Consolidation and relapse prevention (2-3 sessions): assessment of acquired knowledge, identification of risk situations, development of a plan to maintain benefits. The goal is for me to become my own therapist.

CBT is an active and collaborative therapy. Between sessions, I carry out exercises (keeping a thought journal, progressive exposure to an anxiety-provoking situation, behavioral test of a belief). These exercises are essential, the effectiveness of CBT is directly linked to engagement between sessions.

4. The main techniques used in CBT

5. Effectiveness and reimbursement: essential data

CBT has the largest body of scientific evidence of any psychotherapy. Its documented effectiveness rates:

  • Anxiety disorders (generalized anxiety, panic, social phobia): 60 to 80% success according to the HAS.
  • Mild to moderate depression: effectiveness comparable to antidepressants, with a superior preventative effect on relapses.
  • OCD: 60 to 80% success with exposure and response prevention.
  • Specific phobias: 80 to 90% success with graduated exposure.

Since 2022, the MonPsy system allows partial reimbursement (up to 8 sessions) with an approved psychologist, on prescription from the attending physician. The AFTCC (French Association of Behavioral and Cognitive Therapy) publishes a directory of certified therapists.

💡 tips to remember

    • CBT does not change my life, it teaches me to change the way I interpret it. It is not the situation that determines my emotion: it is the thought I have about it. And thoughts are learned and modified.
    • CBT is an active therapy: the exercises between sessions (thought journal, progressive exposures) are as important as the sessions themselves. Commitment determines effectiveness.
    • For phobias and OCD, graduated exposure, gradually exposing yourself to the anxiety-provoking situation without compulsion, is the most effective technique with 60 to 90% success.
    • The MonPsy system has allowed since 2022 partial reimbursement of 8 sessions with an approved CBT psychologist, on prescription from the attending physician. It's a very accessible first step.
    • The ultimate goal of CBT is for me to become my own therapist: recognizing my automatic thoughts, questioning them and adapting my behaviors, skills for life.