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Understanding Cognitive Behavioural Therapy

January 19, 2026 繁體中文

Cognitive Behavioural Therapy (CBT) is a form of psychotherapy that helps individuals address psychological conditions such as eating disorders (anorexia and bulimia), depression, and anxiety by altering thought patterns and perspectives on events. Below, we explore the mental health conditions CBT can address and unravel some common thinking errors.

What is Cognitive Behavioural Therapy?

CBT is grounded in the cognitive theory proposed by American psychiatrist Aaron Beck and is based on the premise that "thoughts influence emotions." When we interpret situations negatively, this often leads to negative emotions, which in turn influence our behaviours. This cycle reinforces negative thoughts, creating a vicious cycle. CBT focuses on helping individuals identify and understand negative thought patterns, correct dysfunctional thinking, and replace maladaptive behaviours with healthier responses.

Some common cognitive distortions that may contribute to mental health difficulties include:

  • All or Nothing Thinking
    Viewing situations in black-or-white terms, such as: "If I’m not perfect, I’m a failure," "Not supporting the police means being a criminal," or "If my job feels meaningless, I should quit."

  • Overgeneralization
    Drawing sweeping conclusions from a single experience, for example: "I failed in one relationship, so I’ll never find love again."

  • Jumping to Conclusions
    Making assumptions without sufficient evidence, such as believing colleagues whispering must mean they’re criticising you.

  • Magnification or Minimization
    Exaggerating negative experiences or dismissing positive ones, for example: "Losing one match means my sports career is over," or "My boss’s compliment doesn’t count; they’re just being polite."

  • Emotional Reasoning
    Assuming that feelings dictate facts, like thinking a problem is unsolvable merely because it feels overwhelming.

  • Labelling
    Oversimplifying experiences with extreme labels, such as: "I’ll never be loved," or "Losing my job makes me worthless."

  • Personalisation
    Taking excessive responsibility for events, either blaming yourself entirely or shifting all blame onto others.
CBT aims to help patients recognise the events that trigger negative thoughts and identify recurring cognitive distortions. With the guidance of a psychologist or psychiatrist, patients learn to challenge subjective judgements, experience new emotional responses, and avoid fixating on negative or defeatist interpretations. Over time, this trains individuals to adopt more positive and objective thought patterns in similar situations.

 

What Conditions Can CBT Help Address?

Conditions such as depression, anxiety, obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD) and eating disorders often involve entrenched patterns of negative thinking. Beyond biological factors like serotonin imbalances, many sufferers develop habitual cognitive distortions that perpetuate negative emotions and unhelpful behaviours.

Here are some examples of mental health conditions influenced by negative thought patterns that can improve with CBT:

  • Depression
    Mr A felt despondent after losing his job and developed symptoms of depression. His negative thinking—believing he was useless and inherently less competent than others—further undermined his confidence, leading to poorer performance in subsequent interviews. A CBT therapist worked to challenge Mr A’s beliefs, helping him understand that while unemployment is upsetting, external factors such as the employer’s preferences for specific candidates (being female or having science backgrounds) might also play a role, rather than it being solely about his abilities.

  • Anxiety Disorders
    Mrs Wang lost her sense of security after financial losses in stock investments with her husband. She became anxious about job redundancies, her husband’s health, and her son’s academic performance, feeling that everything was out of her control. This led to insomnia, fatigue, muscle pain, and irritability. Through CBT, her clinical psychologist helped Mrs Wang recognise that her anxiety stemmed from perceiving every situation as a threat and consistently expecting the worst. She also overestimates the external threats and underestimates her ability to cope. By learning to base her thoughts on facts and reframe her perspective, she gradually reduced irrational fears and regained a sense of calm.

  • Binge Eating Disorder
    Individuals with binge eating disorder often hold distorted beliefs about food and body image, such as "Carbohydrates are the root cause of weight gain," "Girls must weigh under 100 pounds to be healthy," or "Vomiting cancels out calories." Clinical psychologists work with patients to gradually change unhealthy eating habits and challenge these misconceptions. For example, they educate patients on healthy weight ranges for different heights and the harmful effects of purging, such as facial swelling, which can counteract the intended effect. Over time, patients learn to adopt healthier eating habits and embrace diverse body types.

Generally, CBT treatment lasts around 20 weeks, while brief CBT (for less severe cases) typically spans 10 to 12 weeks. Sessions usually last between 30 and 60 minutes.


Tips to Avoid Falling into Thought Traps

When faced with stress, it’s easy to fall into cognitive traps. However, much like muscles, thought patterns can be trained to shift from negative to positive. Here are some daily practices to examine your thinking:

  • Pay Attention to Physical Warning Signs
    Emotional changes often manifest physically, such as a racing heart, shortness of breath, dry mouth, flushed face, muscle tension, or insomnia. These can signal the need to avoid spiralling into negative thought patterns.

  • Pause Negative Thoughts
    When negative thoughts arise, it’s easy to dwell on them. Remind yourself to consider alternative perspectives and avoid getting caught in a loop of negativity.

  • Ask Yourself Questions
    Challenge your habitual thinking by asking yourself questions to view problems from different angles and break free from entrenched thought patterns.

  • Distract Yourself
    When fixating on negative thoughts, redirect your focus with activities that boost your mood, such as a leisurely walk, shopping, taking a bath, listening to music, or talking to someone.

Write Down Positive Affirmations
Inspirational quotes from books or films that uplift you can be written on cards and placed in visible spots as daily reminders of optimism and hope.

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OT&P Healthcare Recommendations

Our thought patterns are built over many years and cannot be changed overnight. With consistent practice and gradual effort, you can establish a more positive mindset. If you have any questions about CBT or need support for psychological concerns, please feel free to book a consultation with one of our psychiatrists or psychologists for further assistance.

Contact MindWorX Clinic

 

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References

  1. 心理學|認知治療-常見認知扭曲/邏輯謬誤. (2016, December 23). To work and to love | 小妻chi生活日誌. Retrieved October 25, 2022, from https://bit.ly/3TUAuf5
  2. Fullife Psychological Practice. (n.d.). Com.Hk. Retrieved October 25, 2022, from https://www.fullife.com.hk/tc/cases_gad.php
  3. 余豎文. 認知行為治療. (N.d.). Retrieved October 25, 2022, from https://tpl.ncl.edu.tw/NclService/JournalContentDetail?SysId=A2021021332
  4. 認知行為治療. (n.d.). 認知行為治療 | 陪我講 Shall We Talk. Retrieved October 25, 2022, from https://www.shallwetalk.hk/zh/mental-health-information/cognitive-behavioural-therapy/
  5. 黃宗保. (n.d.). 如何處理鑽牛角尖的思想. Hkedcity.net. Retrieved October 25, 2022, from https://www.hkedcity.net/parent/development/personal/page_52859b4725b719e51a180000
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