The Neuroscience of Déjà Vu

The Neuroscience of Déjà Vu

Matt digs into the neuroscience of déjà vu, reframing it as a sign of a healthy brain performing real-time error correction. Using a "doorman" (familiarity) vs. "concierge" (recollection) analogy, Matt explains how memory systems misfire. When the rhinal cortex signals recognition for new scenes, the frontal "fact-checker" flags the mismatch, creating a mental "tilt" that proves the brain is actively monitoring reality rather than experiencing a premonition. Matt connects these structures to ...

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Episoder(188)

The Night Ferryman: A Sleep Story Read by Matt Walker

The Night Ferryman: A Sleep Story Read by Matt Walker

Join Matt for a serene excursion across a valley lake under the cover of night. After finding a comfortable position and centering your breath, you will step onto the deck of a weathered ferry. Marcus...

31 Aug 35min

#149 - The 11 largest Sleep Myths

#149 - The 11 largest Sleep Myths

Debunking 11 sleep myths, Matt begins by explaining that the brain remains active, not "off," during rest. He goes on to argue that 7-9 hours of sleep is vital and warns that "adapting" to less is a d...

24 Aug 27min

#148 - Psychedelics for Mental Health

#148 - Psychedelics for Mental Health

Matt delves into how psychedelics like psilocybin and LSD quiet the "Default Mode Network" to boost neuroplasticity. He describes these molecules as a "crowbar" that allows therapy to break deep-seate...

17 Aug 32min

#147 - Does Sleep Really Clean Your Brain?

#147 - Does Sleep Really Clean Your Brain?

Matt explores the brain's secret plumbing, a waste-clearance network once ignored for over a century. He explains how the glymphatic system flushes metabolic toxins like amyloid-beta during sleep. Thi...

10 Aug 25min

#146 - How Sleep Changes Across the Human Lifespan

#146 - How Sleep Changes Across the Human Lifespan

Matt tracks sleep across the human lifespan, from newborn "active sleep" to the shifts of healthy aging. He explores how biological milestones - like puberty, pregnancy, and menopause - impact rest, r...

3 Aug 20min

#145 - How to get More Deep Sleep

#145 - How to get More Deep Sleep

Matt explains the science of deep sleep, emphasizing that this front-loaded stage is vital for physical and mental repair. To boost it, he recommends "builders" like consistent wake times, daily exerc...

27 Jul 32min

#144 - Face Blindness Explained

#144 - Face Blindness Explained

Matt explores how the brain constructs reality by examining neurological anomalies. He contrasts "super-recognizers" with those living with prosopagnosia, or face blindness. By analyzing the Capgras d...

20 Jul 28min

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