BI 238 James Harrison: Hypnosis as Mental Foraging
20 May 2026

BI 238 James Harrison: Hypnosis as Mental Foraging

Brain Inspired

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James Harrison is a clinical hypnotist, and author of a new book, Mental Foraging and the Evolution of Memory: An Updated Model of Clinical Hypnosis. As you probably know, hypnosis carries some historical baggage, for example, in terms of how it could be used to manipulate people into having false memories that could be damaging to themselves and those around them. That baggage carries over into modern medical and clinical practice, with many people giving the side eye to hypnosis and disregarding it as a useful tool in the toolkit of treating patients with mental disorders or psychological distress. As a clinician, and as someone who has seen clinical hypnosis work for people, James set about exploring how it might be explained in modern neuroscience terms and concepts. What he ended up with is an account of hypnosis grounded in the neuroscience of state changes, interoception, exteroception, and predictive processing. His hope is that if we get the scientific explanation right of how it works, hypnosis might become more accepted as an effective tool among other psychological treatments.
James's website. 






    Mental Foraging and the Evolution of Memory: An Updated Model of Clinical Hypnosis.



    @JamesMHarrison_




0:00 - Intro
4:23 - Why the book?
15:21 - Hypnosis as mental foraging
21:57 - Freud's unconscious
23:51 - How it all works
30:27 - Memory reconsolidation
36:41 - Historical rejection of hypnosis
48:44 - Old practice, new explanations
51:55 - Clinician is a guide
1:07:31 - Effectiveness
1:22:22 - Aristotle's common sense
1:30:47 - Allostasis and predictive processing