
About this episode
Matt explores the human capacity for echolocation this week, dismantling the myth that this "biological sonar" is exclusive to animals. Revealing how peer-reviewed research shows all human brains possess the neural hardware to "see" with sound, Matt explains the physics of how sound creates detailed acoustic maps of our environment and introduces the brain's remarkable plasticity, setting the stage for this incredible sensory adaptation.
The episode features stories of pioneers like Daniel Kish, who use echolocation to navigate with astonishing precision. Matt discusses groundbreaking studies from UC Berkeley and Durham University, where brain scans revealed the visual cortex rewires itself to process sound as spatial information. This evidence proves echolocation is not a rare gift but a learnable skill, forcing a reevaluation of the limits of human perception and the brain's adaptive power.
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.
As a huge supporter of mission-driven companies, Matt recommends new partner Branch Basics. Their plant- and mineral-based ‘The Concentrate’ is tough on kitchen grease yet gentle enough for baby toys, helping you create a toxin-free home. Get 15% off with code MattWalker at branchbasics.com/mattwalker.
Another partner, AG1, is one that Matt relies upon for his foundational nutrition. Their new science-backed Next Gen formula features upgraded probiotics, vitamins, and minerals. Start your subscription today to get a FREE bottle of Vitamin D3+K2 and 5 free travel packs with your first order at drinkag1.com/mattwalker.
In a supplement industry where trust is critical, Matt uses podcast partner Puori. Their protein powders are free from hormones, GMOs, and pesticides, with every single batch third-party tested for over 200 contaminants. For protein you can trust, save 20% at puori.com/mattwalker.
As always, if you have thoughts or feedback you’d like to share, please reach out to Matt:
Matt: Instagram @drmattwalker, X @sleepdiplomat,
YouTube: https://www.youtube.com/channel/UCA3FB1fOtY4Vd8yqLaUvolg
Get every episode summarized
Each time The Matt Walker Podcast publishes, we email you a written briefing from the transcript — the topics, who appeared, and any specific claims, with the ad reads skipped.
Email me new episodesFree for 3 shows. No card needed.
Hosts & guests
No transcript yet
This episode has not been transcribed. Request it and it moves to the front of the queue.
More episodes
More from The Matt Walker Podcast

#134 - Seeing Inside the Brain with Prenuvo
The Matt Walker Podcast

#133 - Sleep & Doomscrolling
The Matt Walker Podcast

#132 - Sleep and Binaural Beats
The Matt Walker Podcast

#131 - Sleeping with Pets
The Matt Walker Podcast