Objective Measurement of the Brain’s Hard Wiring
Brain Gauge® Neuro Assessment
At James Clinic, we use Brain Gauge as a state-of-the-art, evidence-based evaluation of the brain’s hard wiring—the underlying neural processing speed, accuracy, and integration that drive cognition, reaction time, and performance. This is not subjective. This is not static. And it is not a diagnosis.
Chesterfield, MO · Ankeny, IA · Chariton, IA · Virtual visits available

What the Brain Gauge Actually Measures

Brain Gauge evaluates central nervous system function by measuring how efficiently your brain processes sensory information.

Specifically, it assesses:

  • Neural processing speed
  • Sensory discrimination accuracy
  • Reaction time
  • Neural timing and synchronization
  • Cortical communication efficiency

These metrics reflect the functional integrity of neural pathways, not mood, motivation, or effort.

This is the physiology beneath thought.

Evidence-Based, Not Interpretive

Brain Gauge is built on decades of neuroscience research and is used in:

  • Clinical neurology research
  • Traumatic brain injury (TBI) evaluation
  • Cognitive aging studies
  • Performance and recovery assessment

It provides quantitative data, not opinions.

No guessing.
No symptom scoring.
No psychological overlays.

What Makes This Different From Traditional Brain Testing

Most “brain tests” assess output:

  • Memory recall
  • Attention tasks
  • Executive function questionnaires

Brain Gauge assesses input and processing.

It tells us how efficiently the brain:

  • Receives information
  • Transmits signals
  • Integrates sensory input
  • Responds under time pressure

This allows us to identify subtle dysfunction before it shows up as cognitive decline.

This Is Not a Static Result

One of the most important things to understand:

Brain Gauge results are not destiny.

They reflect your current neural performance, not a permanent label. Neural processing can improve when:

  • Inflammation is reduced
  • Sleep is optimized
  • Hormones are balanced
  • Mitochondrial function improves
  • Blood flow and oxygenation are enhanced
  • Recovery is prioritized

This assessment gives us a baseline from which improvement can be measured.

Why This Matters for Health, Performance, and Longevity

Changes in neural processing often precede:

  • Brain fog
  • Slowed reaction time
  • Reduced focus
  • Cognitive fatigue
  • Post-viral or post-concussive symptoms
  • Early cognitive decline

By identifying inefficiencies early, we can intervene before symptoms become entrenched.

This is proactive neurology.

Who Benefits From Brain Gauge Testing

This assessment is particularly valuable for individuals who:

  • Experience brain fog or slowed cognition
  • Are recovering from concussion, illness, or neurologic stress
  • Have high cognitive or performance demands
  • Want objective insight into brain health
  • Are focused on long-term cognitive longevity

You do not need a neurologic diagnosis to benefit. You need curiosity about your biology.

What the Assessment Is Like

You’ll use a small device to respond to gentle sensory inputs while our system measures timing and accuracy at the millisecond level.

Simple on the surface.
Deep under the hood.

How We Use Brain Gauge at James Clinic

Brain Gauge is never used in isolation.

Results are integrated with:

  • Metabolic and mitochondrial data
  • Hormone optimization
  • Sleep and recovery assessment
  • Inflammatory and vascular evaluation
  • Performance and longevity goals

This allows us to design targeted strategies to improve neural efficiency over time and track real progress objectively.

The James Clinic Difference

We don’t label brains as “good” or “bad.”

We assess:

  • Where you are now
  • What may be limiting performance
  • What can be improved
  • And how to measure progress

Brain Gauge gives us clarity, not conclusions

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Dave Greene
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The entire staff is very friendly and sincerely interested your health. I have had blood tests done that my insurance primary has never heard of and that revealed issues that he was unaware of. James clinic diagnosed the cause and cured tge problem. They are the best!
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steven marchant
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The James Clinic is like stepping into a different world,they care about their patients! I've been with them several years, it's a five hour drive for me. They seem more like family That's hard to find! I would suggest the James Clinic 100 percent.
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Deanna Martin
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I love the James Clinic and everyone there! I have learned so much about how to improve my health and not just how to treat my symptoms. They are so real there. They talk to you. They engage on a personal level and really care about my health and wellness. I feel very in control of my healthcare rather than being controlled by the provider or insurance company. I highly recommend this clinic and its providers!!
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Maria C
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Exceptional from the staff at the front door, throughout the clinic, the advance practice HCPs and Dr. James herself! Do yourself a favor and make the investment in your OPTIMAL state of health. Come educated. Come curious. They love having discussions. The testing and health optimization tools they offer are exceptional.
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Brad Smyth
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I cannot say enough positive things about Dr James and her entire staff. We work primarily with Sara Taylor, NP, and she has been nothing short of amazing. Our whole family, including my two teenage boys, have been with them for over a year now and we are thankful every day that we found them. One of my teenage sons has ASD, on top of numerous health issues and the attention Sara and the team has given to help him has been life changing!
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Brett & Connie Roberts
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Sara Taylor is awesome! She has taken care of all my outpatient needs for more than 18 months! 10/10 all the time
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Jennifer Lyman
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In addition to being incredibly knowledgable, I really appreciate the care Kate takes with her patients. It's very valuable to me that they are functional medicine physicians/NPs at this practice vs those who wear the doctor title without having medical training.
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Joanne Curran
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NPs Justina Timms and Sarah Taylor are always incredibly well prepared, knowledgeable and take all the time needed to explain labs and test results to me in ways that I can understand. Their professionalism and expertise continue to astound me. They also check in after procedures or explanations with well documented follow up. In addition, every nurse at the clinic is warm, friendly, personable, knowledgeable and professional to the Nth degree! Theresa, Michelle, Whitney, Lauren, Brenda, Mary and Chelsea all work hard and are extremely timely when completing procedures such as HBOT and MDI treatments. I have nothing but the highest regard for the James Clinic and all who work there including their lead Dr. Mollie James. My gratitude runs deep for their services.

Establish Your Cognitive Baseline

Brain Gauge testing at James Clinic provides objective insight into how your brain is functioning today—and where it can go next.

Brain gauge is included up to 4x annually for our concierge patients.

It may be done as stand-alone or add-on testing for patients who are interested in focused information.

Chesterfield, MO · Ankeny, IA · Chariton, IA · Telehealth

The James Clinic medical team is deploying to North Carolina to provide critical aid in the aftermath of Hurricane Helene.

We have established a Venmo where 100% of the donations will go directly to support those without access to medical care. Please consider donating and praying for these families.