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Error Signals

A neuropsychiatrist’s field notes on doubt, data, and discovery

Newsletter · By Tom Pollak · Official site

Indexed issues, last 90 days
7
Latest publication
Sep 30, 2026
Audience
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Earliest in this view
Jul 16, 2026

Latest issues

  1. Issue · Sep 30, 2026

    psychiatry.ext (opens the original)

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    <img alt="" class="sizing-normal" height="497" src="https://substackcdn.com/image/fetch/$s_!JbcL!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa3cb5175-807f-42e0-bc31-d5b61c7a830d_850x497.webp"

  2. Issue · Sep 19, 2026

    The Best You There Ever Was (opens the original)

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    This story was generated in early summer 2025. A note on its origins follows.<img alt="" class="sizing-normal" height="720.9928698752228" src="https://substackcdn.com/image/fetch/$s_!1E3Q!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack

  3. Issue · Aug 29, 2026

    A map without a territory (opens the original)

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    Hello new people (and old!)Since I appeared on This Jungian Life earlier this week, I’ve been a little overwhelmed by the number of new subscribers.It’s really lovely and also a little scary, particularly because I don’t really know what Error Signals is about. It’s also got unwieldy enough that it can be hard to find essays on a particular subject. This isn’t helped at all by my proclivity for somewhat impenetrable post titles or crappy puns (like <a href="https://drtompollak.subst

  4. Issue · Aug 9, 2026

    What Claude saw below (opens the original)

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    Luke Nicholls is an AI researcher and PhD student in social psychology at the Graduate Center, CUNY. They are the lead author of “AI Psychosis” in Context and, with Tom Pollak and colleagues, co-author of a recent paper on AI-associated delusions and large language models in The Lancet Psychiatry, and ‘Playing with the dials of belief: how controllable AI behaviours could modulate human belief and cognition across s

  5. Issue · Aug 7, 2026

    i can’t unsee that now (opens the original)

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    In my twenties, my friend briefly dated a girl called Kehinde. She was lovely. But the relationship only lasted a few months.One night she told me that, in Yoruba culture, her name is used to denote the second of two twins. Taiwo is traditionally the twin born first. She told me that Kehinde means she or he who waits. According to one Yoruba story, Taiwo is understood as being sent ahead to taste or inspect the world.I thought this was pretty cool.<a class="image-link image2 is-viewable-img" hre

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