In this Genius Arc breakdown, Dr. Josh Turknett takes the story of Nelson Dellis — 6× USA Memory Champion and author of Everyday Genius — and runs it through the Genius and Impostor framework from his forthcoming book. You'll see how a man who says he "truly would have said my memory is average" built a championship-level skill from scratch, why five titles still couldn't stop his body from going into revolt before the sixth, and the reset that let him step on stage as "the most chill version of myself I've ever been." It's a clear, worked example of how capability is built, how pressure hijacks it, and how you get it back.

• Take the free Pressure Profile assessment (3 min): https://performanceneurology.institute/pressure-profile
• Pre-order The Genius and the Impostor: https://GeniusAndImpostor.com
• Read Brains, Banjos and Beyond: https://joshturknett.substack.com
• Nelson Dellis's book Everyday Genius: nelsondellis.com/everyday-genius
• Follow on Instagram: @brainjojosh

Links:

• Pre-order The Genius and the Impostor: GeniusAndImpostor.com
• Nelson's Instagram: @nelzor
• Josh's Instagram: @brainjojosh

Music by Jullienne Ellen (@julienneellencomposes)

Nelson Dellis can memorize a shuffled deck of cards in under 30 seconds, and he's won the USA Memory Championship six times. But he didn't start with a special memory. He built it from scratch, and he's adamant that nobody wins a memory competition on natural talent.

In this conversation we get into how he actually trains, how watching his grandmother's decline from Alzheimer's set him on this path, and what it would take for you to build a memory like his.

Links:

• Nelson Dellis's book Everyday Genius: nelsondellis.com/everyday-genius
• Pre-order The Genius and the Impostor: GeniusAndImpostor.com
• Nelson's Instagram: @nelzor
• Josh's Instagram: @brainjojosh

Music by Jullienne Ellen (@julienneellencomposes)

Dr. Josh Turknett — neurologist and author of The Genius and the Impostor — introduces the show, the framework, and the two characters living inside your brain that determine whether you rise to the moment or fall apart.

In this episode:

• What performance neurology is and how it differs from clinical neurology
• What's happening in your brain when you collapse under pressure
• Meet the Genius and the Impostor — two systems in your brain fighting for control
• What to expect from this podcast

Links:

• Pre-order The Genius and the Impostor (August 2026): GeniusAndImpostor.com
• Learn more about Performance Neurology at performanceneurology.institute
• Subscribe to the newsletter: Brains, Banjos and Beyond on Substack
• Instagram: @brainjojosh