Mohamad-Ali Salloum is a Pharmacist and science writer. He loves simplifying science to the general public and healthcare students through words and illustrations. When he's not working, you can usually find him in the gym, reading a book, or learning a new skill.
How Using this CBT Method Helps Us Understand the Root Cause of Low Mood
Mohamad-Ali Salloum, PharmD • March 16, 2026
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🧭 CBT • Cross‑Sectional Formulation
When your mood drops, it often feels like it “just happens.”
In CBT, low mood isn’t random — it follows a predictable pattern of four interconnected elements: thoughts, emotions, behaviors, and physical sensations.
💭 Thoughts
The interpretations, images, and self‑talk that color your experience.
💗 Emotions
Felt states like anxiety, sadness, shame, or calm.
🧍 Behaviors
What you do or avoid — from procrastination to approach.
🌡️ Physical sensations
Body signals such as tension, fatigue, or an upset stomach.
This framework is called a cross‑sectional formulation —a “here‑and‑now” map of how the parts influence each other (often a “vicious cycle”).
The Four‑Part Loop (Interactive Diagram)
Thoughts
Emotions
Behaviors
Physical sensations
Tip: Break the loop at any point to shift the pattern.
The Science Behind It: Why the Model Works
It is not events themselves that cause our emotions, but our interpretation of those events.
— Beck’s Cognitive Theory
- Thoughts shape emotions(appraisals → feelings)
- Emotions influence behavior(what we do or avoid)
- Behaviors affect body state(tension, fatigue, activation)
- Body sensations can reinforce thoughts(e.g., “tight chest → I must be in danger”)
Together, these links create a self‑maintaining loop of low mood—until one part changes.
A Real‑Life Example: Layla’s Story
Layla is a university student preparing a presentation. She sees an email reminder about tomorrow’s talk.
💭 Thoughts (Cognitions)
- “I’m going to embarrass myself.”
- “Everyone will think I’m incompetent.”
These are negative automatic thoughts.
💗 Emotions
- Anxiety
- Sadness
- Shame
Emotions reflect the interpretation, not the event itself.
🧍 Behaviors
- Procrastinates
- Cancels dinner plans
- Withdraws from friends
Avoidance often maintains low mood.
🌡️ Physical sensations
- Tight chest
- Fatigue
- Upset stomach
Body signals can amplify worry if misread.
🧩 What the map reveals
Thoughts: “I will fail.” → Emotions: Anxiety → sadness → Behaviors: Avoid preparation → Physical: Fatigue & tension.
The core issue isn’t the presentation; it’s the interpretation of it. Change at any point weakens the loop.
A Second Example: Daily Scenario
Trigger: A friend doesn’t reply for hours.
💭 Thoughts
“She’s upset with me.” “I did something wrong.”
💗 Emotions
Worry → sadness.
🧍 Behaviors
Over‑checking phone, withdrawing, ruminating.
🌡️ Physical sensations
Stomach tightness, restlessness.
The problem isn’t the silence; it’s the assumption that silence = rejection (a common cognitive distortion).
Why This Model Works So Well
- Clarifies distress collaboratively and concretely
- Identifies maintaining processes(e.g., avoidance, rumination)
- Highlights targets for change(thoughts, actions, body)
- Boosts a sense of control through understanding alone
Try It Yourself: Map Your Moment
Pick a recent moment when your mood dipped. Fill in each box, then draw arrows in your mind (or on paper) to show how each part influenced the next.
🌟 Example (filled)
Thoughts:
“If I start, I’ll discover I can’t do it.”
Emotions:
Anxiety (55%), Hopeless (20%)
Behaviors:
Delay task, open unrelated tabs
Physical:
Chest tightness, shallow breathing
Now choose one change: balanced reframe, 10‑minute starter task, or a breathing reset.
Quick Quiz: Test Your Understanding
1. In a cross‑sectional formulation, which four elements form the loop?
CBT maps the here‑and‑now cycle: thoughts, emotions, behaviors, and body sensations.
2. According to CBT, what most directly drives emotion?
Beck’s model emphasizes how appraisal (interpretation) shapes emotional responses.
3. Which behavior most commonly maintains low mood in these examples?
Avoidance removes short‑term discomfort but prolongs the cycle.
4. Which of the following is a physical sensation in the cycle?
Thoughts are cognitions; emotions are feelings; body sensations include tension, fatigue, etc.
5. To start breaking the loop today , which is a practical move?
Small approach behaviors begin to weaken avoidance‑driven cycles.
💡 Map it, spot a change point, take one small step. Loops can be broken.
References:
- Think CBT. How to Use the Crosssectional CBT Model. 2026. Available from: https://thinkcbt.com 1
- University of Toledo Counseling Center. CBT Model. 2024. Available from: https://www.utoledo.edu/studentaffairs/counseling/getting-unstuck/CBT-model.html 2
- Beck AT. Cognitive Therapy and the Emotional Disorders. SAGE Journals summary (InnovAiT, 6(9), 579–585). 2013. DOI: 10.1177/1755738012471029 3
- Psychology Tools. Cognitive Behavioral Model. 2026. Available from: https://www.psychologytools.com/resource/cognitive-behavioral-model 4
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ABOUT THE AUTHOR
Mohamad-Ali Salloum, PharmD
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Recent articles:
References: Quattash MS. The Depleted Mind: The Science of Decision Fatigue and Ego Depletion. Global Council for Behavioral Science. 2025. Available from: https://gc-bs.org/articles/the-depleted-mind-the-science-of-decision-fatigue-and-ego-depletion/ 5 Choudhury NA, Saravanan P. An integrative review on the causes and effects of decision fatigue. Front Cognit. 2026;4:1719312. Available from: https://www.frontiersin.org/journals/cognition/articles/10.3389/fcogn.2025.1719312/full 4 Schweitzer DR, Baumeister RF, Laakso EL, Ting J. Self-control, limited willpower and decision fatigue in healthcare settings. Intern Med J. 2023. Available from: https://onlinelibrary.wiley.com/doi/pdf/10.1111/imj.16121 3 Ordali E, Pietrini P. Mental fatigue leads to loss of self-control and poor decision-making. Coverage in The Brighter Side of News. 2024. Available from: https://www.thebrighterside.news/post/mental-fatigue-leads-to-loss-of-self-control-and-poor-decision-making/ 2 Woodley BioReg. Decision Fatigue and Cognitive Load: A Scientific Perspective. Woodley BioReg. 2026. Available from: https://www.woodleybioreg.com/decision-fatigue-and-cognitive-load-a-scientific-perspective/ 1 Keller AJ. Decision Fatigue: What It Is and How It Affects Your Brain. Neurosity Guide. 2026. Available from: https://neurosity.co/guides/decision-fatigue-brain
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