This is the first lesson in a six-week, self-guided course in cognitive behavioral therapy (CBT). CBT is a type of talk therapy. It looks at how the way you think about a moment shapes how you feel and what you do next.1,2
This week has one goal. You will learn to see the cycle that links your thoughts, feelings, body and actions. You do not need to change anything yet. You only need to notice.
Key points
- In CBT, the same event can lead to very different feelings, depending on what you tell yourself about it.3
- Thoughts, feelings, body sensations and actions all feed each other. A change in one part can shift the others.4,5
- This week, you will pick a few upsetting moments and break each one into its parts on a simple worksheet.
- Practice between sessions is a core part of CBT. A few minutes a day is a good start.2,4
- CBT is a well-tested treatment for depression and anxiety, but it is not a fix for every problem. If you feel unsafe, call or text 988, or call 911.
Why this step matters
CBT grew out of the work of psychiatrist Aaron Beck. His idea was that how you read a situation is more closely tied to your reaction than the situation itself.3 CBT therapists help people spot quick, automatic thoughts that are harmful or not quite accurate. Then they look at how those thoughts drive feelings and actions.1
You cannot test a thought you have not noticed. That is why this course starts with mapping the cycle.
The evidence for CBT is large. A review of more than 100 summaries of research found strong support for CBT in anxiety problems, stress and anger, with more mixed results in some other conditions.5 A 2023 analysis of 409 trials in depression, with over 52,000 people, found CBT clearly better than usual care or a waiting list.6 About 4 in 10 people (42%) improved a lot with CBT, compared with about 2 in 10 (19%) in the comparison groups.6
CBT worked about as well as other proven talk therapies. It also did about as well as antidepressant medicine in the short run, and somewhat better 6 to 12 months later.6 The American Psychological Association recommends CBT for adults with depression, and group CBT for older adults with depression.7,8
Evidence: CBT for depression Strong evidence CBT for anxiety Strong evidence
The parts of the cycle
CBT often breaks a hard moment into parts. Then it looks at how each part affects the others.4,5
| Part | What it means | Example |
|---|---|---|
| Situation | What happened, as a camera would record it | Your grown son has not returned your call in three days. |
| Thought | The words or pictures that pop into your mind | "He doesn't care about me anymore." |
| Feeling | Your emotions, rated 0 to 100 | Sad (70), hurt (60) |
| Body | What you notice physically | Heavy chest, tired, a lump in the throat |
| Action | What you do, or avoid doing | You don't call again. You skip dinner and go to bed early. |
Now picture a second thought about the same situation: "He's probably swamped at work this week." The feeling might be mild worry (20). Your body stays calm. You send a short text and go on with your evening.
The situation did not change. The thought did. That is the core idea of the cognitive model.3
How the cycle keeps itself going
The parts also loop back. In the first example, going to bed early means no new contact. No contact can seem to prove the thought, "He doesn't care." The next silence then feels even heavier.
This is why CBT pays close attention to actions, not just thoughts. Avoiding things you fear can keep a problem going.2 Facing fears step by step, instead of avoiding them, is a main tool in CBT.1,2
CBT does not say your problems are "all in your head." Losses, illness, money stress and loneliness are real. CBT teaches coping skills. It helps you notice the extra pain that unhelpful thoughts can add, so you have more choices about how to respond.2
How to map your own cycle
- Pick a moment. Choose a time in the last day or two when your mood dropped or you felt tense. Start with something mild to moderate, not your hardest memory.
- Write the situation. Who, what, where, when. Keep it to facts only, the way a camera would see it.
- Name the feelings. Use one word each, such as sad, scared, angry, guilty, ashamed or lonely. Rate how strong each was from 0 to 100.
- Notice your body. Write any sensations: tight shoulders, racing heart, upset stomach, tiredness.
- Catch the thought. Ask, "What was going through my mind right before I felt this?" Write it in your own words. If you find a question like "Why does this always happen?", turn it into a statement: "This always happens to me."
- Write the action. What did you do next? What did you avoid? What urge did you have?
- Draw the arrows. Look at how each part fed the next. Ask, "Did my action make the feeling better or worse over time?"
- Stop there. Do not argue with the thought yet. Testing thoughts comes in week 3.
Your worksheet
Copy this onto paper, or use the free thought check tool on this site. Fill in one row for each moment.
| Date and situation | Thought | Feelings (0–100) | Body | Action |
|---|
Try it this week
- Fill in at least three rows on your worksheet before next week. One a day is even better.
- Write it down soon after the moment, while it is fresh. A small notebook or a note on your phone works.
- At the end of the week, read your rows. Do you see any thought that shows up more than once?
- Keep your worksheet. You will use it in week 2.
Notes for later life
CBT works for people of all ages. The American Psychological Association recommends group CBT for depression in older adults, often in 7 to 15 weekly meetings.8 Mental health problems in later life are treatable, and a primary care provider is a good place to start.9
A few changes can make this lesson easier:
- Use large print and a set time. If writing is tiring, fill in just the situation, one feeling and one thought.
- Ask for a helper. A family member or friend can read the questions aloud and write your answers.
- Watch the body column. Pain, poor sleep and illness affect mood. Write them down. They are part of your cycle too. See depression in later life and anxiety in later life.
If memory problems make the steps hard to follow, a therapist can adapt CBT, or other approaches may fit better. Talk with your doctor.
Common problems
I can't find the thought. I just feel bad.
That is very common at first. Try asking, "What did this moment mean about me, my future or other people?" If nothing comes, write the feeling and body parts. The thoughts often get easier to catch with practice.
I forgot to fill it in.
Link it to something you already do every day, like your evening tea or brushing your teeth. Writing a row the next morning still counts.
Writing about bad moments makes me feel worse.
A little discomfort is normal. Pick milder moments, and take a short break after each one. A slow breathing practice like the cyclic sigh can help you settle. If writing brings up painful memories, such as trauma, it is better to work with a therapist.
Can I do CBT on my own, or do I need a therapist?
Many people learn useful skills on their own. But CBT is built as a team effort between you and a therapist, who helps you become your own coach over time.2 If your mood is low most days for two weeks or more, or this is hard to do alone, see how to find a therapist. Keep taking any medicine as prescribed. Talk with your doctor before changing anything.
Next step
In week 2: catching automatic thoughts, you will learn to spot the quick thoughts behind your feelings and name common thinking traps. You can also go back to the CBT course overview.
When to get help
- If you are thinking about suicide or harming yourself, call or text 988 any time, or chat at 988lifeline.org.10
- If someone is in immediate danger, call 911.
- See your doctor soon if low mood, worry or poor sleep are making daily life hard, or if they are getting worse even with practice. You can also try the mood check-in or the help page.
Sources
- National Institute of Mental Health. Psychotherapies. NIMH. NIMH
- American Psychological Association, Society of Clinical Psychology (Division 12). What is cognitive behavioral therapy? APA, 2017. APA
- Beck Institute for Cognitive Behavior Therapy. Understanding CBT. Beck Institute. Beck Institute
- National Health Service (England). Cognitive behavioural therapy (CBT). NHS, 2025. NHS
- Hofmann SG, et al. The efficacy of cognitive behavioral therapy: a review of meta-analyses. Cognit Ther Res, 2012. PMC
- Cuijpers P, et al. Cognitive behavior therapy (CBT) for depression, compared with control conditions, other psychotherapies, medications, and combined treatment: a comprehensive meta-analysis including 409 trials with 52,702 patients. World Psychiatry, 2023. PMC
- American Psychological Association. Clinical practice guideline for the treatment of depression: adults. APA, 2019. APA
- American Psychological Association. Clinical practice guideline for the treatment of depression: older adults. APA, 2019 (updated 2023). APA
- National Institute of Mental Health. Older adults and mental health. NIMH. NIMH
- National Institute of Mental Health. Depression. NIMH. NIMH
Education only. This page is general information written from the sources listed. It is not medical, legal or financial advice and does not replace a doctor, therapist or lawyer who knows your situation. How we write and check pages.