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Grey Matters

We're Cambridge PhD students explaining psychology, Neuroscience and AI.

Newsletter · By eddiebullock · English · GB · Paid tier available · Official site

Indexed issues, last 90 days
4
Latest publication
Sep 3, 2026
Audience
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Earliest in this view
Jul 14, 2026

Latest issues

  1. Issue · Sep 3, 2026

    Your Emotions Are Not What You Think They Are (A Neuroscience Explanation) (opens the original)

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    The Science:Here is a question that sounds obvious until you sit with it: when you say you are anxious, are you anxious? Or are you excited, uncertain, overstimulated, or running on three hours of sleep? When you say you are fine, are you fine? Or has something been quietly accumulating that has not yet been named?Emotional self-knowledge is less reliable than most of us assume. Research on affective science consistently shows that the relationship between what people feel, what they think they

  2. Issue · Aug 13, 2026

    ADHD Is Being Diagnosed at Record Rates. Is That a Crisis or a Correction? (opens the original)

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    Is the rise in rates of ADHD diagnosis representative of a genuine public health shift or a cultural overcorrection?I sat down with Professor Edmund Sonuga-Barke, one of the world’s leading researchers in developmental psychopathology and ADHD. His work has shaped how the condition is understood, diagnosed, and treated across Europe and beyond.The conversation covers a lot of ground: what is actually happening in the ADHD brain, why diagnosis rates have climbed so steeply in recent years, how so

  3. Issue · Jul 19, 2026

    What Comparative Cognition Reveals About AI Minds (opens the original)

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    Are their ‘minds’ similar to humans?How do we even compare them to humans?What does studying animal minds teach us about AI models?Will they destroy the planet?Can we trust the CEOs in charge of AI?We discuss this all in the latest episode of Bridging the Gap: Read more

  4. Issue · Jul 14, 2026

    You Know What You Need to Do. So Why Can't You Make Yourself Do It? (opens the original)

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    Have you ever known exactly what you needed to do, call someone back, open that email, go to therapy, have that conversation, and still found yourself doing anything else instead? That is not laziness. That is your brain following a very specific set of instructions.The Science:Avoidance is one of the most well-studied phenomena in behavioural neuroscience, and one of the most misunderstood in everyday life. Most people experience it as a failure of motivation. The research tells a different sto

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