CBT: How ancient wisdom laid the groundwork for modern therapy

Cognitive behavioural therapy (CBT) is one of the most widely used and empirically supported forms of psychotherapy in the modern world. Known for its structured approach and effectiveness in treating various mental health disorders – such as depression, anxiety, post-traumatic stress disorder (PTSD), and obsessive-compulsive disorder (OCD) – CBT has become a cornerstone of mental health care globally.

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However, the roots of this therapeutic method stretch back much further than the 20th century, with significant contributions from ancient scholars such as Abu Zayd al-Balkhi and the modern breakthroughs led by Aaron T. Beck in the 1960s. In this article, we explore the origins of CBT, acknowledging both ancient wisdom and scientific developments that have shaped the therapy into its current form.


Ancient beginnings: Abu Zayd Al-Balkhi and cognitive approaches to mental health

Long before the term cognitive behavioural therapy was coined, the relationship between thoughts, emotions, and behaviour was recognised by scholars in the Islamic golden age. One such scholar was Abu Zayd al-Balkhi (850–934 AD), a polymath who made significant contributions to mental health, particularly in his work Masalih al-Abdan wa al-Anfus ("Sustenance for Body and Soul"). In this 9th-century text, al-Balkhi outlined a holistic approach to health that was far ahead of its time, recognising the critical interconnection between physical and mental well-being.

Al-Balkhi’s Contributions to mental health:

1. Distinction between physical and mental illnesses

Al-Balkhi was among the first to explicitly categorise illnesses into two types – those affecting the body and those affecting the soul (or mind). This distinction prefigured the modern understanding of the mind-body connection in healthcare. He believed that mental disorders, just like physical ailments, needed to be treated, and neglecting them could lead to further deterioration of the individual’s overall health.

2. Early understanding of depression and anxiety

Al-Balkhi offered detailed descriptions of what we now recognise as depression and anxiety disorders. He distinguished between what he termed normal sadness (which he saw as a natural, temporary emotional state) and clinical depression, or al-huzn al-mutlaq, which he recognised as a more chronic and pathological condition. He also described symptoms resembling generalised anxiety disorder and obsessive-compulsive disorder (OCD), referring to them as forms of irrational fear and obsessive thoughts (waswasa).

3. Cognitive and behavioural interventions

Al-Balkhi proposed methods to manage negative emotions and irrational thoughts, which closely align with modern cognitive restructuring techniques in CBT. He advised patients to confront negative thoughts by using reason and rational thinking – a precursor to the idea of challenging cognitive distortions in modern psychotherapy. Furthermore, his recommendations for maintaining emotional balance and engaging in positive activities reflect behavioural activation strategies seen in today’s CBT practice.

While al-Balkhi’s work was deeply rooted in Islamic philosophy and medieval medicine, his insights into the role of cognition in emotional distress laid a foundation for the principles that would later be formalised in CBT.


The birth of modern CBT: Aaron T. Beck and the cognitive revolution

Fast forward to the 20th century, when Aaron T. Beck (born 1921) revolutionised the world of mental health care with the development of cognitive therapy (CT), which later evolved into cognitive behavioural therapy. While working as a psychiatrist, Beck initially trained in psychoanalysis, the dominant therapeutic approach at the time.

However, during his clinical practice and research, he became dissatisfied with its limited efficacy in treating depression. This led him to explore alternative explanations and treatments for mental health issues.

Aaron Beck’s contributions to CBT:

1. Development of cognitive therapy (1960s)

Beck’s journey into cognitive therapy began in the early 1960s when he was researching depression. Through his observations, he found that his patients experienced automatic negative thoughts – spontaneous, pessimistic thoughts that arose without conscious effort and contributed to their emotional distress. Beck hypothesised that these thoughts, rather than unconscious conflicts (as psychoanalysis suggested), were central to the development and maintenance of depression.

In 1963, Beck published his seminal paper on cognitive therapy, proposing that distorted thinking patterns – such as overgeneralisation, catastrophising, and black-and-white thinking – were key drivers of emotional disorders like depression and anxiety. His theory suggested that by identifying and challenging these cognitive distortions, patients could significantly reduce their symptoms and improve their emotional well-being.

2. Integration of cognitive and behavioural techniques

Throughout the late 1960s and early 1970s, Beck’s cognitive model began to incorporate behavioural techniques, influenced by the earlier work of behaviourists like B.F. Skinner and Ivan Pavlov. Behavioural therapy had long been used to address maladaptive behaviours, and Beck saw the potential of combining cognitive restructuring with behavioural activation – encouraging patients to engage in positive activities to lift their mood.

This integration of cognitive and behavioural approaches led to the creation of cognitive behavioural therapy (CBT), a time-limited, structured therapy that addresses both the thought patterns and behaviours contributing to emotional distress. Beck's work established a scientific framework for CBT, making it one of the first psychotherapies to be rigorously tested through randomised controlled trials (RCTs).

3. CBT’s evidence-based success

Beck's method of CBT proved to be highly effective in treating a wide range of mental health disorders, particularly depression, anxiety disorders, PTSD, and OCD. His book Cognitive Therapy of Depression (1979) became a cornerstone in the field, and since then, CBT has been subjected to extensive research, consistently demonstrating its efficacy across various populations and conditions.


Other important contributors to CBT

While Aaron Beck is often credited as the "father" of modern CBT, several other key contributors helped shape the therapy as we know it today.

1. Albert Ellis and rational emotive behaviour therapy (REBT)

In the 1950s, before Beck’s cognitive therapy gained traction, psychologist Albert Ellis (1913–2007) developed rational emotive behaviour therapy (REBT), which is often seen as a precursor to CBT. Ellis proposed that emotional problems stem from irrational beliefs and developed a therapy focused on identifying and challenging these faulty beliefs. Like Beck, Ellis emphasised the role of cognition in emotional distress and advocated for changing these thoughts to improve mental health. REBT is still practised today and shares many core principles with CBT.

2. Donald Meichenbaum and cognitive-behavioural modification

Another key figure in the development of CBT was Donald Meichenbaum, who developed cognitive-behavioural modification (CBM) in the 1970s. Meichenbaum’s work focused on self-instructional training, where patients were taught to modify their internal dialogue to manage stress and anxiety. His work also contributed to the stress inoculation training (SIT) technique, commonly used in CBT to help patients cope.

3. B.F. Skinner and behaviourism

Though B.F. Skinner (1904–1990) did not directly contribute to the cognitive aspect of CBT, his work in behaviourism laid the groundwork for the behavioural components of the therapy. Skinner’s research into operant conditioning, the idea that behaviour is shaped by rewards and punishments, has had a lasting influence on CBT’s behavioural strategies ( particularly in treating anxiety and phobias through exposure therapy).


How Al-Balkhi and Beck paved the way for modern CBT

Both Abu Zayd al-Balkhi and Aaron Beck made crucial contributions to the development of cognitive and behavioural therapies, albeit in very different historical and cultural contexts. While al-Balkhi’s insights into mental health emerged from the Islamic world in the 9th century, Beck’s work arose within the scientific tradition of modern Western psychology.

Al-Balkhi provided a holistic approach to mental health, recognising the importance of treating physical and psychological illnesses. His work on managing negative thoughts and emotional states closely mirrors the cognitive restructuring techniques found in modern CBT. In this sense, al-Balkhi can be viewed as an early pioneer in the field of cognitive therapies, with his ideas laying the groundwork for later developments in psychology.

On the other hand, Aaron Beck formalised these cognitive principles into a structured, scientifically validated therapy that could be systematically applied in clinical settings. Beck’s use of empirical research and clinical trials helped establish CBT as an evidence-based treatment for mental health disorders, making it one of the most widely practised psychotherapies today.

Together, these two figures separated by over a thousand years helped pave the way for the modern practice of CBT. Al-Balkhi’s early recognition of the mind-body connection and Beck’s scientific rigour and clinical application are both critical in the history of cognitive-behavioural approaches to mental health.

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The views expressed in this article are those of the author. All articles published on Counselling Directory are reviewed by our editorial team.

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Ilford IG3 & London E7
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Written by Saleha Choudhury
Diploma in Counselling | MBACP
location_on Ilford IG3 & London E7
My name is Saleha Choudhury, an integrative Psychotherapeutic counsellor in Greater London, specialising in anxiety, depression, stress, and emotional wellbeing. I’m passionate about helping people navigate life’s challenges. I regularly share blogs...
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