Dr. Charan Ranganath returns to explore the complexities of human memory with Matt here today. Together, they delve into memory's architecture, examining how sleep, trauma, and AI impact its function. The discussion covers episodic and semantic memory, emphasizing the role of sleep in memory consolidation and challenging the traditional "archive" model with Dr. Ranganath proposing a dynamic web of interconnected associations instead.

The conversation then shifts to trauma's effects, focusing on PTSD and innovative therapeutic approaches—including psychedelics—designed to enhance neural plasticity and reprocess traumatic memories. Nightmares and noradrenaline's role are explored, revealing how understanding memory's mechanisms can lead to better mental health.

Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way.

Are sleep troubles keeping you up at night? Matt used to be a skeptic about meditation, but 7 years ago, he tried it using a fantastic meditation app called ‘Calm’, and it transformed his sleep! Now, he meditates for 10 minutes before bedtime every night! He’s also partnered with Calm who have been generous enough to offer his podcast listeners an exclusive 40% discount on their premium subscription! All you have to do is go to calm.com/mattwalker and take advantage of this incredible deal! Head on over now and improve your sleep today!

One of today’s sponsors, 23andMe, provides genetic insights into health and sleep, and Matt, who has used it for eight years to understand genetic risks, is impressed by their sleep-focused data. With details on chronotype—whether you’re genetically more inclined to be a morning person or night owl—along with insights on sleep quality, depth, and insomnia risk, 23andMe’s reports offer valuable understanding of your unique sleep patterns. Explore your sleep genetics at 23andMe.com/MattWalker for 10% off your service. Total Health membership includes services initiated and performed by third-party clinicians and lab providers through the 23andMe platform. Additional terms and conditions also
apply. See 23andme.com to learn more. Total Health Membership not available to residents of HI, NJ, NY, RI and US territories. Check with your FSA/HSA administrator to confirm eligibility.

Another great sponsor of the show is AG1, a comprehensive nutritional drink trusted by thousands worldwide, including Matt! For nearly four years and counting, he has relied on AG1 to fuel his post-workout routine with its powerhouse blend of over 75 essential minerals, vitamins, probiotics, and prebiotics, meticulously crafted to support your daily nutritional needs. AG1 is registered and approved by the Therapeutic Goods Administration, boasting GMP badges for quality assurance. As a special offer for our listeners, when you try AG1, you'll receive a complimentary one-year supply of both Vitamin D and K2, and with your first subscription, you'll also receive five free AG1 travel packs! Visit AG1 to explore AG1's range of offerings and claim your exclusive offer.

As always, if you have thoughts or feedback you’d like to share, please reach out to Matt on Instagram.

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