Dr. Izzy Justice is a sports neuroscientist, golf enthusiast, and 5-time ironman finisher whose latest book, "Life Explained: Chasing 10Hz," is a roadmap for those looking to optimize performance, focus and clarity.

Learn more at https://drizzyjustice.com

EPISODE SUMMARY BELOW:

I. The Untapped Frontier of Performance: Understanding the Brain

The conversation begins by highlighting a fundamental paradox: while the human brain is the "quarterback" of both the human experience and athletic performance, most people know very little about it. Dr. Justice asserts that if a person can describe their shoes in more detail than their brain, they are already underperforming in life. He outlines several key reasons for this knowledge gap. Historically, studying the living brain was prohibitively dangerous, as attempts to operate on it often resulted in paralysis or death. Furthermore, the brain is immensely complex, containing 80 to 90 billion neurons within a three-and-a-half-pound mass, all of which must collaborate for a person to process the world, make decisions, and regulate emotions.

A significant breakthrough occurred around 2015 with the advent of wireless technology that allowed for non-invasive observation of the brain in real-time. Before this, brain research was largely confined to a clinical setting, focusing on fixing what was "broken" (e.g., Alzheimer's, concussions, epilepsy). This clinical focus was driven by funding, as "money follows research," and there is significant financial incentive to develop drugs and protocols for diseases. Consequently, research into functional performance for healthy, everyday individuals has been historically underfunded and overlooked. Dr. Justice notes his work fills this void, and he has conducted nearly 21,000 functional scans, looking into the brain in the moments just before a person attempts a high-performance task.

II. Decoding Brain Activity: Functional Scans and the 10 Hertz Principle

Dr. Justice explains that the fundamental language of the brain is electricity, which operates as a vibration measured in cycles per second (hertz). He provides an analogy to a light bulb: a 200-watt bulb is brighter than a 20-watt bulb because its filament vibrates at a higher frequency. The brain operates on a similar, albeit more complex, scale. Using a simplified 0-100 hertz scale, he illustrates that a brain state between 0-5 Hz corresponds to sleep, while a state near 100 Hz signifies panic or high stress.

The "magic" for peak performance, he reveals, happens at approximately 10 hertz. At this low-frequency state, mental "traffic" or "noise" is minimal. This lack of internal competition allows for two crucial things to happen:

Amplified Sensory Input: What a person sees, hears, and feels is processed with greater clarity. For a golfer, the hole appears larger and the line of the putt is clearer.
Mind-Body Cohesion: The connection between sensory perception and motor function becomes seamless.

Conversely, as the brain's frequency increases to 30, 50, or even 70-80 Hz, it is cluttered with distracting thoughts like "Don't mess this up" or "I have to make this." This internal battle suppresses sensory input and disrupts motor control, leading to a high probability of failure; for instance, a golfer at 70-80 Hz has a 90% chance of missing a putt. Dr. Justice uses a non-invasive device resembling a cap or sweatband to measure this electrical activity. While the scan reveals the frequency (the "how bad or good"), he determines the content of the thoughts by debriefing with the athlete afterward. Over thousands of scans, he has become adept at predicting a person's brain state to within five hertz based on their verbal and non-verbal cues, including the 43 facial muscles.

III. The 10 Hertz State in Action: Neuro-Hacking for a Quieter Mind

Dr. Justice emphasizes that achieving a 10 hertz state is not as elusive as it may seem and introduces the concept of a "neurohack"—a rapid technique to lower brain frequency. Unlike traditional methods like meditation or yoga, which are time-consuming and impractical in a performance setting, a neurohack can be performed in seconds without any special equipment.

He then guides Nate through a practical demonstration of the "10-10" neurohack:

Count up quickly: Mentally count from one to ten as fast as possible.
Count down slowly: Immediately afterward, mentally count back down from ten to one as slowly as possible.

The entire exercise takes approximately 15 seconds. The rapid count-up briefly spikes brain activity, while the slow, deliberate count-down guides the brain toward the calmer 10 hertz state. Dr. Justice states that this 15-second cognitive exercise can produce the same calming benefit as five to twenty minutes of traditional meditation. The key insight is that an individual does not need to maintain a 10 hertz state all day; they only need to access it in the critical seconds immediately preceding an important action, making it a reasonable and achievable goal.

IV. Applying the 10 Hertz Principle to Sports Performance

The conversation explores how the 10 hertz principle applies differently across various sports. For athletes in continuous, high-reaction sports like boxing, MMA, or Nate's sport of Jiu Jitsu, maintaining a 10 hertz state for the entire duration of the match is critical. In these contexts, sensory input is paramount for anticipating an opponent's movements, and any mental interference or internal thought can result in getting hit. Dr. Justice advises Nate to perform the 10-10 neurohack repeatedly for two to three minutes before his upcoming tournament to prime his brain for this state of heightened sensory awareness.

In contrast, sports with significant downtime, like golf, present a different mental challenge. A five-hour round of golf involves less than ten minutes of actual swinging; the rest of the time is spent walking and thinking. This downtime can be a "curse," as it allows negative thoughts to build after a poor shot. However, Dr. Justice reframes this downtime as a "gift"—a series of natural timeouts. A golfer doesn't need to be at 10 hertz for five hours, only in the 5-10 seconds before each shot. After a bad shot, a golfer can use a neurohack while walking to the ball to reset their brain state, a luxury not afforded in other sports.

The discussion also touches on Tiger Woods, with Dr. Justice speculating that in his prime, he was a master of accessing the 10 hertz state over his shots. He concludes by noting a universal truth among the elite athletes he treats at "rock bottom": 100% of them are living with excessive noise in their heads, operating at chronically high frequencies of 60, 70, or 80 hertz. The fix, therefore, is to teach them how to quiet their minds.

V. Resources for Mastering the Brain

Dr. Justice provides resources for listeners interested in learning more about his work and applying these principles. His tenth and latest book, "Life Explained: Chasing 10 Hertz," is written to make the complex science of the brain accessible to everyone. The book argues that happiness and high performance are not mysteries but are the direct result of learning to guide the brain toward the 10 hertz state when it matters most.

For practical application and to learn additional neurohacks, he mentions his companion app, Neuro580. The app costs approximately eight dollars per month and is designed to be used for a month or two to learn and internalize the techniques for achieving a calmer, more focused brain state.

511. Dr. Izzy Justice :: Achieve Peak Performance in Sports