Matt dives deep into the science of memory with renowned neuroscientist Dr. Charan Ranganath, author of Why We Remember: Unlocking Memory's Power to Hold On to What Matters in today’s episode. Together, they explore the complex relationship between memory and the brain, touching on the roles of emotional significance, context, and even neuromodulators like dopamine in helping our brains decide which memories to retain and which to discard.

Dr. Ranganath shares his unique journey into memory research and insights from his pioneering work at the Dynamic Memory Lab at UC Davis, where his studies have reshaped our understanding of human memory. He also explains the diversity within memory types—such as episodic, semantic, and procedural memories—and why they’re all processed differently. Delving into extraordinary memory phenomena, he discusses hyperthymesia, false memories, and cases of severely deficient autobiographical memory, illustrating the varied ways people experience memory. This episode is a rich journey into the science and experience of memory, concluding with a refreshing reminder: sometimes, forgetting can be just as beneficial as remembering, offering us a balanced perspective on our memory's true role in daily life.

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.

Long-time show sponsor LMNT is Matt Walker’s go-to for a sugar-free electrolyte mix. With the perfect electrolyte balance and science-backed formulation, LMNT is a product Matt trusts daily, adding it to his workouts and protein shakes. And now, for a seasonal twist, their Chocolate Medley range is back with flavors like Chocolate Mint and Matt’s favorite, Chocolate Raspberry. Get a free sample pack with any purchase at drinklmnt.com/mattwalker—just use his link to try it yourself!

Looking for comfort and style in your wardrobe? While fashion isn’t his expertise, Matt found the perfect fit with SKIMS—now a proud sponsor of the show - thanks to his better half’s recommendation. Known for their breathable, soft fabrics, SKIMS delivers the comfort Matt values most. Try SKIMS yourself and feel the difference! Visit skims.com, select “Podcast” at checkout, and choose "The Matt Walker Podcast" from the dropdown. Plus, explore their new holiday shop—just in time for the season!

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

Matt: Instagram @drmattwalker or on X @sleepdiplomat

Dr. Charan Ranganath: https://charanranganath.com/

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