Ep.06. The Wandering Mind

Ep.06. The Wandering Mind

What is the brain doing when attention drifts away from the task at hand?

This episode explores a 2024 Nature Communications study linking hippocampal sharp-wave ripples to naturally occurring self-generated thoughts in humans.

Paper: Iwata et al. (2024). Hippocampal sharp-wave ripples correlate with periods of naturally occurring self-generated thoughts in humans. Nature Communications, 15, 4078

Key ideas

  • Mind wandering is not necessarily a failure of attention.

  • Hippocampal sharp-wave ripples are linked to memory, internal simulation, and offline processing.

  • In this study, SWR rates predicted the content of self-generated thought.

  • Thought content explained SWR rates much better than physiological variables.

  • Mood did not explain SWR rates, which makes the finding more specific and more interesting.

Cognitive observation

Next time we notice our mind wandering, we might not treat it as a failure of attention. We might treat it as a sign that the brain is quietly reorganizing experience.

As always, keep questioning your priors.

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Avsnitt(12)

Ep.12. Why AI Tells You What You Want to Hear

Ep.12. Why AI Tells You What You Want to Hear

What happens when the AI adviser you trust most is also the one most willing to take your side?In this episode, I examine a 2026 Science paper on social sycophancy—the tendency of AI systems to affirm...

18 Aug 26min

Ep.11. The Planning Machine

Ep.11. The Planning Machine

Paper discussedTaylor Webb, Shanka Subhra Mondal & Ida Momennejad (2025). A brain-inspired agentic architecture to improve planning with LLMs. Nature Communications.One-sentence summaryThis episode ex...

6 Juli 30min

Ep.10. The Adaptive Machine

Ep.10. The Adaptive Machine

Paper discussedMackenzie Mathis. Leveraging insights from neuroscience to build adaptive artificial intelligence. Nature Neuroscience, 2026.One-sentence summaryThis episode explores how neuroscience c...

15 Juni 33min

Ep.09. The Sound of Thought

Ep.09. The Sound of Thought

PaperDenk, T. I., Takagi, Y., Matsuyama, T., Agostinelli, A., Nakai, T., Frank, C., & Nishimoto, S. Text-to-music generation models capture musical semantic representations in the human brain. Nature ...

8 Juni 30min

Ep.08. The Clock That was Never There

Ep.08. The Clock That was Never There

Paper: Buzsáki, G. (2025). Time, space, memory and brain–body rhythms. Nature Reviews Neuroscience, 27, 61–78. https://doi.org/10.1038/s41583-025-00987-2Key concepts: Physical time (chronos), experien...

25 Maj 27min

Ep.07. The Body Keeps the Beat

Ep.07. The Body Keeps the Beat

Paper: Engelen, T., Solcà, M., & Tallon-Baudry, C. (2023). Interoceptive rhythms in the brain. Nature Neuroscience, 26, 1670–1684. Key concepts: Interoception, heartbeat-evoked response (HER), heartbe...

18 Maj 29min

Ep.05. The Inference Engine

Ep.05. The Inference Engine

A rat freezes to a tone it was never shocked with. It learned that the tone predicted a light, and separately that the light predicted a shock, and its brain built the rest. This is inferred fear: emo...

18 Apr 21min

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