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Cake day: February 5th, 2025

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  • Intriguingly, researchers found that those who felt the most attached to short videos had noticeable differences in their brain structure. These participants had more grey matter in their orbitofrontal cortex (OFC) – a region near the front of the brain involved in decision-making and emotional regulation. Similarly, they had more grey matter in their cerebellum – a small, cauliflower-shaped structure at the back of the brain that plays a role in movement and emotions.

    The team concluded this was bad news for lovers of TikTok as having an oversized OFC could be a sign of what they described as “heightened sensitivity to the rewards and stimuli associated with short video content”. They speculated that watching too many TikTok videos might have led to this neural bloating.

    Unsurprising, London cab drivers also have differences in brain structure.