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New tool can see how different brain cell types work together

Researchers from Boston University’s Chobanian & Avedisian School of Medicine, College of Arts & Sciences, College of Engineering and Faculty of Computing & Data Sciences have developed a tool called PhysMAP to separate the “voices” of individual cell types within a crowd of electrical noise by combining several complementary features of each type’s electrical signature.

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Chaotic heartbeat patterns track brain activity more clearly than conventional signals, researchers report

A team of researchers at Kyoto University have demonstrated that the chaotic component of heartbeat variability is uniquely sensitive to cognitive brain activity. Conventional heart rate variability, HRV, indices show no consistent response, whereas chaos-based measures reveal clear and reproducible changes, providing a new noninvasive indicator of brain-heart interaction.

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