In Our Time: Hypnosis
BBC Radio 4, Hosted by Melvyn Bragg
Release Date: June 26, 2025

Introduction to Hypnosis

In this episode of In Our Time, host Melvyn Bragg delves into the multifaceted world of hypnosis, exploring its historical roots, cultural significance, scientific understanding, and contemporary applications. Joined by experts Devin Terhune, Quinton Deeley, and Catherine Wynne, the discussion uncovers how hypnosis has evolved from mystical practices to a recognized therapeutic tool.

Historical Origins of Hypnosis

The conversation begins with the origins of hypnosis in the 18th century, focusing on Franz Anton Mesmer's pioneering work.

Devon Terhune (02:55): "Mesmer created problems for himself... He dressed up like a wizard and treated 200 patients at a time with magnetized water... A commission chaired by Benjamin Franklin largely debunked his claims."

Mesmer's theory of "animal magnetism" posited a magnetic fluid in the body whose blockage caused illness. Although his methods were later discredited, Mesmer inadvertently laid the groundwork for modern hypnosis by emphasizing the power of suggestion over physical remedies.

Defining Hypnosis: State vs. Procedure

A significant portion of the discussion centers on defining hypnosis, highlighting a debate within the scientific community.

Melvin Bragg (06:23): "There's debate regarding the best definition of hypnosis... one camp views it as a trance-like state, while the other sees it as a set of procedures to enhance responsiveness to suggestions."

Devin Terhune elaborates on James Braid's contributions in the 19th century, who shifted the focus from mystical explanations to the psychological aspects of suggestion.

Cultural and Religious Context

Quinton Deeley explores the interplay between hypnosis, religion, and folk practices in its early history.

Quinton Deeley (08:29): "Mesmer's practices were indebted to folk healing and religious rituals like possession and exorcism."

The episode draws parallels between Mesmer's magnetism and contemporary religious practices, illustrating how cultural beliefs shaped early hypnotic techniques.

Hypnosis in Literature and Media

The influence of hypnosis extends into literature and popular culture, with references to iconic works like Dracula and Trilby.

Devon Terhune (11:23): "In Dracula, Van Helsing uses hypnosis to facilitate mutual mind-reading between characters, blending scientific and occult elements."

Quinton Deeley discusses how authors like Charles Dickens and Arthur Conan Doyle incorporated hypnotic themes into their narratives, reflecting societal fascinations and fears surrounding the practice.

Medical and Therapeutic Uses

The experts discuss the evolution of hypnosis from entertainment to a legitimate therapeutic tool.

Melvin Bragg (34:43): "The best evidence for hypnosis comes in terms of the reduction of pain... It's valuable for conditions like pain management and smoking cessation."

Quinton emphasizes the importance of informed consent and ethical considerations in therapeutic hypnosis, aligning it with broader psychological practices.

Susceptibility and Individual Differences

Exploring who is more susceptible to hypnosis, the discussion reveals variability in hypnotic responsiveness.

Melvin Bragg (16:23): "About 10-15% of the population are highly responsive to hypnosis, another 10-15% are minimally responsive, and the rest fall in the middle."

The conversation dispels myths equating suggestibility with intelligence or gullibility, highlighting that most individuals are at least moderately responsive to hypnotic suggestions.

Modern Scientific Understanding

Delving into the neuroscience of hypnosis, Quinton Deeley explains how suggestion alters brain activity.

Quinton Deeley (32:36): "Hypnotic suggestions exploit the brain's capacity for hierarchical predictive coding, allowing external ideas to shape perception without conscious awareness."

This section underscores how contemporary psychology views hypnosis as a manifestation of the brain's predictive mechanisms, aligning it with broader cognitive processes.

Placebo Effect and Hypnosis

The relationship between hypnosis and the placebo effect is examined, revealing nuanced interactions.

Quinton Deeley (29:14): "While some studies show a modest association between placebo responsiveness and hypnotic responsiveness, the two phenomena engage different mechanisms."

The discussion highlights how both hypnosis and placebos leverage expectations to influence perception and experience, albeit through distinct pathways.

Control and Moral Implications

Addressing common misconceptions, the experts clarify the extent of control hypnosis grants practitioners over individuals.

Melvin Bragg (26:52): "Research consistently finds that hypnosis cannot compel individuals to perform actions they wouldn't normally do."

Devin Terhune adds that while hypnosis is often sensationalized in fiction, real-world applications respect individual autonomy and ethical boundaries.

Remaining Questions and Future Research

Despite advancements, many aspects of hypnosis remain elusive, prompting calls for further exploration.

Melvin Bragg (39:06): "We lack a comprehensive understanding of how language and suggestions influence perceptual states, which has significant implications for both hypnosis and the placebo effect."

Quinton Deeley emphasizes the need to study belief systems and their role in mediating suggestibility, suggesting that future research could unlock deeper insights into human cognition.

Conclusion

The episode concludes by reflecting on hypnosis's enduring legacy and its integration into modern therapeutic practices. The guests envision a future where understanding suggestion and language can enhance healing and psychological well-being, free from the stigmas of its mystical past.

Notable Quotes

• Melvin Bragg (06:23): "Why there's different camps that have emerged... one likens hypnosis to some type of trance-like state, the other views it as a set of procedures."

• Quinton Deeley (08:29): "Mesmer's practices were indebted to folk healing and religious rituals like possession and exorcism."

• Melvin Bragg (16:23): "About 10-15% of the population are highly responsive to hypnosis... most people are actually at least minimally or moderately responsive."

• Quinton Deeley (32:36): "Hypnotic suggestions exploit the brain's capacity for hierarchical predictive coding... shaping perception without conscious awareness."

• Melvin Bragg (26:52): "There's no compelling evidence based on research that hypnosis can be used to compel individuals to perform immoral acts."

This comprehensive exploration of hypnosis on In Our Time offers listeners a nuanced understanding of its complexities, bridging historical practices with scientific advancements and contemporary applications.