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The Model Health Show · August 17, 2026 · 1h 1m

Why Human Intelligence is Rapidly Decreasing - With Dr. Jared Cooney Horvath

Dr. Jared Cooney Horvath, Shawn Stevenson

Neuroscientist and educator Dr. Jared Cooney Horvath explains why children's cognitive abilities are declining in the digital age. He breaks down how writing by hand, reading on paper, and avoiding multitasking are essential for deep learning, compared to the fluency illusion that screens create. The conversation covers the flawed adoption of education technology, the erosion of empathy through mediated communication, and what parents and educators can do to protect real learning.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

Canon

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The Superiority of Handwriting for Learning05:58
Writing by hand engages the brain in ways that typing does not, leading to deeper processing and better retention of information.
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The Fluency Illusion26:56
The fluency illusion is the phenomenon where ease of processing is mistaken for mastery, leading learners to overestimate their understanding.
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The Screen vs. Print Reading Gap (The Mode Effect)29:42
Reading on screens leads to shallower comprehension and less mental engagement than reading on paper.
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Multitasking Undermines Brain Function and Learning42:52
The human brain is not wired to multitask; attempting to do so splits attention and reduces the quality of all tasks.
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Novel

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The Hierarchy of Communication for Learning17:19
Dr. Horvath presents a hierarchy showing that in-person interaction is the richest medium for learning, with each layer of mediation (voice, text, screen) stripping away empathy and depth.
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References

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The Digital Delusion — Dr. Jared Cooney Horvath — Core topic of the episode
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