Overview

Cognitive-behavioral therapy (CBT) is a form of psychotherapy focused on identifying and changing patterns of thinking and behaving that contribute to distress. In CBT a trained therapist helps a person recognize inaccurate or unhelpful thoughts—often called cognitive distortions—and to develop practical strategies to respond to problems differently. The approach is goal-oriented, time-limited, and emphasizes skills that patients can use outside the therapy room.

Core principles and typical techniques

CBT blends two related ideas: cognitive strategies that address how people interpret events, and behavioral techniques that change actions and emotional responses. Sessions often include structured conversations, collaborative problem solving, and assigned practice or "homework." Common techniques include cognitive restructuring (examining and reframing thoughts), behavioral experiments, exposure to feared situations, activity scheduling, and skills training such as relaxation or assertiveness. Therapists teach coping skills so patients can manage symptoms independently.

Evidence, effectiveness, and combinations with medication

CBT has been widely studied and is considered a first-line treatment for many mood disorders and anxiety-related conditions. Systematic research shows CBT reduces symptoms of depression and anxiety across diverse populations, and its benefits can persist after treatment ends. Pharmacological medication is another effective option; questions remain about long-term effects on the brain and body, and costs and benefits can differ. For many conditions, combining CBT with medication or other therapies improves outcomes, and adding antidepressants to CBT has been shown to reduce relapse for some patients with moderate to severe depression. Clinicians treat a range of mental illnesses by tailoring these choices to severity and patient preference.

Applications and delivery formats

Beyond depression and anxiety, CBT has been adapted for other problems including some personality disorders, post-traumatic stress disorder (PTSD), and eating disorders. It is delivered in individual therapy, group settings, family work, and increasingly via internet programs and guided self-help. Digital and remote formats can improve access and are often structured to preserve the core elements of therapist-led CBT.

History, strengths, and limitations

CBT developed from mid-20th century behavior therapy and cognitive therapy traditions; its modern form owes much to pioneers who emphasized empirical testing and practical techniques. Strengths of CBT include clear structure, measurable goals, and a strong evidence base. Limitations include variable access to trained clinicians, the need for patient engagement with homework, and that some complex or chronic conditions may require longer or multimodal care. Ongoing research refines techniques and extends CBT principles into preventive, digital, and culturally adapted interventions.

Practical considerations

  • Typical course: sessions over weeks to months, often with targeted homework.
  • Who benefits: people motivated to work on thoughts and behaviors, and those with many common psychiatric conditions.
  • How to find care: consult licensed mental health professionals, primary care providers, or trusted organizational resources to learn about CBT-trained clinicians and programs.