Dr. Hill is one of the top peak performance coaches in the country. He holds a Ph.D. in Cognitive Neuroscience from UCLA’s Department of Psychology and continues to do research on attention and cognition. Research methodology includes EEG, QEEG, and ERP. He has been practicing neurofeedback since 2003. In addition to founding Peak Brain Institute, Dr. Hill is the host of the Head First Podcast with Dr. Hill and lectures at UCLA, teaching courses in psychology, neuroscience, and gerontology. Show Highlights: - Learn how you can use neurofeedback to optimize brain function - Can neurofeedback treat ADHD? - How does Neurofeedback work? - Discover the science behind brain mapping and how it can identify areas of the brain that need attention. - How long do the benefits of neurofeedback last? - Is it possible to train your brain for higher achievement? - What does AI mean for the future of neurofeedback? - How to be the best version of yourself Peak Brain InstitutePeak Brain Institute: https://peakbraininstitute.com/ Connect with Dr. Paulvin https://doctorpaulvin.com/
Episode Summary
I joined Dr. Neil Paulvin on his podcast to talk through how brain mapping and neurofeedback actually work, what they can change, and where the field goes once intelligent software enters the loop. This conversation originally aired on Neil Paulvin's show. You can watch the original conversation. What follows is drawn from my side of that discussion.
I think of myself as a brain training personal trainer who happens to be a neuroscientist. Most of what we label as stress, attention problems, and sleep trouble has a physiological basis. We slap big scary diagnostic labels on these patterns, and the labels make people feel overwhelmed and ashamed. Once you can see the resource that is actually involved, the shame tends to drop away. It is hard to stay ashamed of a circuit you understand.
What Is a QEEG Brain Map, and How Is It Different From a Hospital EEG?
EEG is one of the oldest forms of neuroimaging. We have measured the brain's electricity for about a hundred years, and the recording setup for a QEEG looks much like what you would wear for a sleep study or epilepsy monitoring. We use 19 standard electrodes plus ear clips. The difference is duration and purpose. For seizure monitoring you wear the cap for hours or days. For a brain map you sit with a gel-filled cap, eyes closed for about ten minutes, then eyes open for about ten minutes. We pair that with an attention and executive function test, because I am a cognitive neuroscience person and I want physiology and performance side by side.
After we clip out coughs, movement, and other artifacts, we average the clean data into amounts, speeds, and connectivity patterns of different brain waves across the head. Then I compare your averages to an age-matched sample. The map is a yardstick. I am not trying to push you toward average. I want to see what sticks out, because people are interesting, and the degree to which something is unusual does not track how much it bothers you.
If you want the longer version of what the recording shows and how to read it, I wrote up the full process in the QEEG brain mapping guide.
Why Choose QEEG Over SPECT or fMRI?
I am biased, and you should know that. EEG is also far cheaper. A brain map runs a few hundred dollars. An MRI machine costs around a grand an hour to run because of the helium and the infrastructure. SPECT and fMRI are expensive too.
The bigger issue with SPECT and fMRI for understanding an individual is the missing reference point. There is no database of blood flow across thousands of people that lets you hold up a bell curve and say this amount is unusual for you. So only a rare specialist can read those scans and tell you what they mean. QEEG age-matches your data against commercial databases built from thousands of cases, and produces a graded heat map of what is unusual instantly. Roughly ten thousand people in the US do neurofeedback, and they can read the same map and arrive at a similar interpretation.
SPECT earns its place with the squirrely, mysterious diagnosis nobody can crack. It is unbelievable for that. The value there is the diagnosis, and the interventions that follow are medical. With a QEEG, the value is different. You see an EEG phenomenon, and you can immediately push on that phenomenon and watch it change. The map frames the intervention.
I dig into this comparison further in Is Neurofeedback Legitimate? A Research Overview.
How Does Neurofeedback Actually Work?
All neurofeedback is a form of biofeedback. Traditional biofeedback works on things you can feel and voluntarily control, like hand warming, breath pacing, or pelvic floor tension. Neurofeedback works on the central nervous system, which you cannot feel. You have no sensory nerve endings in your brain tissue. The thing that does all the feeling cannot feel itself. You are measuring behavior you are not aware of.
The mechanism is operant conditioning of an involuntary behavior. We place a wire on the scalp over the region of interest and a couple of ear clips, then measure a parameter that fluctuates moment to moment. Say we are tracking your beta and your alpha over the back midline. Whenever beta drops and alpha rises for half a second, the system says good job to the brain by letting a game advance, a puzzle fill in, or music play. When the brain moves the wrong direction, the game slows or stops. The trick is moving the goalposts every few seconds.
The mind cannot feel its own brain waves, so it sits there confused about why the sound keeps happening. The brain notices that the information is contingent on its own activity and starts reaching for more of the state that produces the reward. Two or three sessions in, the brain decides it likes the information flow and reaches for it. Then you feel different for a few hours, and it wears off.
For the specific rhythm that anchors much of this work, see SMR Neurofeedback: Train Sleep, Focus, and Self-Control and Decoding Alpha Waves: Your Brain's Idle and Its Brakes.
What Can Neurofeedback Change?
Anything you can measure, you can change. Understanding the brain is hard. Changing it is not. I think in terms of resources and bottlenecks rather than high and low performers. Plenty of high performers carry a bottleneck. They perform fine, but it costs them. CEOs end up burnt out and rigid at the end of the day, unable to drop into listening mode with a spouse. That is a real problem, just a different one than seizures.
The big resources are sleep, stress, attention, and processing speed. IQ on a test is not a single real thing as far as the brain is concerned. It decomposes into speed of processing, working memory, and implicit learning. You can tweak speed and working memory, and there is older research reporting IQ gains of around a standard deviation with neurofeedback because you are changing resources.
Here is how I read processing speed in a map. Your alpha waves are your idling rhythm. Most adult brains idle around 10 Hz. If your alpha is idling slower than the average person your age, or the circuits are not synchronizing at the same speed, I will ask whether you are experiencing delayed recall, tip-of-the-tongue moments, and short-term memory blips. People in their 40s, 50s, and 60s often worry that this is dementia coming. It usually is not. The first thing you lose in true age-related decline is episodic memory, your first-person perspective on scenes and events. Word finding and reaching for names is mostly a speed problem. It feels like memory because retrieval is a time-intensive synchronization process.
If you cannot find words, you are probably not sleeping deeply enough, or you have inflammatory load. After COVID, chemo, apnea, restless leg, or an old concussion, the brain walks around producing delta waves all day, trying to rest and repair, and you feel half asleep. Then deep sleep at night is shallower because the brain has been making delta all day. The picture looks similar across causes. I often cannot tell an old concussion apart from six-month-post-COVID brain fog at a glance, and I do not need to. I can spot the fog and the fatigue, point it out, and we can push on it.
More on that fog pattern in Biohacking Brain Fog: Restoring Mental Clarity.
The Cingulate, Anxiety, and Stuck Circuits
A lot of what we call illness is really dysregulation of an existing resource. A muscle can cramp when it is strong. Circuits do the same thing. Anxiety is the cleanest example. You have a front and back cingulate cluster sitting at the intersection of stress and attention. The front cingulate helps you remember why you walked into the store without rehearsing it. The back midline keeps your eyes on the road. Both are necessary, and you use them constantly.
When the brain learns that the world is unsafe or unpredictable, quickly and strongly, it cramps up these resources. A cramped front cingulate shows up as perseveration or obsession. A cramped back cingulate shows up as rumination, worry, and threat sensitivity. Looking at one person's map, I can see a lot of beta in the cingulates and say these are active, but I cannot tell whether the front one is an OCD complaint or a high-powered CEO who gets rigid. So I name a plausible interpretation and ask whether it lands. The back one might be a lifeguard scanning the environment or someone carrying a trauma response.
I cover the anxiety circuitry in detail in Biohacking Anxiety: Targeting the Circuits That Won't Shut Up and the obsession side in Biohacking OCD: Targeting the Cortico-Striatal Circuit.
Neurofeedback does not take anything away. It gives you range. The CEO with the hot front midline can still turn it up to hyperfocus, then turn it down at 5:30pm. If you are always running at an eight and a half, it never feels good and you can never push harder when you need to. Train the ability to drop to a one or a two, and you can move flexibly between one and eleven.
Can Neurofeedback Treat ADHD?
ADHD is not just a low amount of SMR. It usually shows excess theta, which acts like lubrication that slows the system. The side of the brain matters. Excess theta on the left maps to the spotlight of attention not being bright, clear, or stable enough. On the right, you have the supervisor that decides whether you are paying attention or about to go chase a squirrel, and that side helps shut off theta and bring up SMR and beta to direct the machine. Left-side problems read as inattentiveness. Right-side problems read as impulsivity and disinhibition, a failure of the motor tissue to hold SMR tone and let you sit still inside. An elevated theta-to-beta ratio is one of the more replicated EEG findings in ADHD research (Arns et al., 2013).
This is why SMR matters so much. Sensorimotor rhythm is the state you see in a cat sitting in a windowsill, physically relaxed and laser-focused on a bird. We use it to sit still, to stay asleep, and to inhibit seizures. At night the same rhythm shows up as sleep spindles, the burst that fires when a car goes by so you notice without waking. High SMR tone is the physiological opposite of ADHD.
For the full treatment picture, see Does Neurofeedback Work for ADHD? A Neuroscientist's Guide.
The history here is worth knowing. Barry Sterman discovered modern neurofeedback in the late 1960s by conditioning cats to produce more SMR for a squirt of chicken broth. When those same cats were later used in a NASA toxicity study on rocket fuel vapor, the SMR-trained cats resisted seizures while the others were more vulnerable (Sterman et al., 1969). Sterman's lab assistant was a medication-uncontrolled epileptic having many seizures a week. They built her an audio feedback device to train SMR, and she became seizure-free over the following months. That was the start of the field.
What About Social Processing, Sensory Overload, and Autism?
Behind the right ear sits a large cluster called the temporoparietal junction. I call it the Princess and the Pea because it gets irritated at everything. You see it running hot in autism, where it acts like a fire hose with no filter. You also see it wide open in the sensitive, emotionally intense person who feels everything and has every resource needed to catastrophize. These are the people who want to throttle a roommate chewing too loud and who notice every suffering stranger on the corner.
If that sensitivity gets in the way, you place a wire there, measure the hot beta, and let alpha come up to replace it. You get a voluntary volume knob. Shyness that works for you is fine and may be good for you. Social anxiety, social cueing discomfort, and irritability around voices and eye contact are addressable.
There is also a non-EEG tool we use for metabolic and developmental work called passive infrared hemoencephalography, or pIR HEG. An infrared camera on the forehead measures heat coming off the brain as a proxy for metabolism. You learn to drive a vascular pump with concentration, producing the same kind of blood surge an fMRI would show a second or two after focused effort. It works well for migraines and concussions, and for some reason that frontal lobe vascular pumping accelerates social function in people with developmental disabilities on the autistic spectrum.
I write about sensory integration further in Biohacking Sensory and Social Processing: Optimizing Integration.
When Will I Feel It, and How Long Does It Last?
We map your brain first, then go over the data together a couple of days later so you can pick out what is interesting and decide what matters to you. By the time you start training, you usually have a sense of agency about it. We send surveys twice a day, a sleep survey every morning and a day survey every afternoon, and we move toward your goals by iterating.
Most people feel a transient effect three to five sessions in, lingering for a few hours up to a day. Different protocols feel different, so you can report being wired after one and chill after another, and we adjust the frequency or the site. By the end of the second week you usually have a reliable lingering effect. Resting brain changes show up around six to eight weeks. We re-map about every other month, and roughly 25 sessions tends to produce a full standard deviation of change, especially on executive function, ADHD, and anxiety features.
After a few months of training the things you use constantly, sleep, stress, and attention, the brain is practicing the new mode all the time, so the gains do not wear off. That becomes your new baseline. For complex cases with multiple concussions or significant wear and tear, expect four to six months. The severity does not limit how well we can work. Sometimes the worse and clearer the pattern, the faster it moves, because the brain hears specific feedback better.
Can You Train Yourself for Higher Performance?
About a third of my clients are the classic neurofeedback population: autism, ADHD, seizures, migraines, concussions, and now post-COVID brain fog. Another third are ultra-high performers, including elite athletes and musicians squeezing the last drop out of their capacity. The last third is the rest of us, a little burnt out, maybe some stress or drinking or a hint of ADHD.
The creativity work is some of the most reliable. I have a large roster of actors, musicians, and athletes, and the release of creativity from alpha-theta protocols can be dramatic. I have had a spouse call after a few sessions saying whatever you did, do more of it, that was the best conversation we have ever had. You can build new range in someone who came in thinking they had no problems but whose map showed an anxious, hyperfocused, under-slept brain.
If peak performance is your interest, see Biohacking Flow State: The Neuroscience of Peak Performance and Biohacking Intelligence: Optimizing Cognitive Resources.
What Does AI Mean for the Future of Neurofeedback?
Peak Brain is about 80 percent virtual now. Most clients never see an office except to get mapped. We do the first two weeks of neurofeedback live, teaching the basics, then support it seven days a week. We have taken careful, individualized, tailored wire-placement neurofeedback and made it scalable to a remote setting. You can read how that works in the remote neurofeedback guide.
The remaining bottleneck is the round trip. Here is the brain map, here is the protocol you tried, here is how it felt, here is what we will adjust. That feedback circuit is the personal training piece, and it depends heavily on domain expertise. I carry a cognitive neuroscience PhD and many years of working with brains at the extremes, with more than 25,000 brain maps read over 14 years at Peak Brain. That is hard to replicate, which is why high-scale neurofeedback has failed so often. I run around 200 active clients at a time, which is a lot for one coach, and the number of skilled practitioners is shrinking as the founding generations age out of the field.
So I want to use a decade of Peak Brain decision-making, the maps, complaints, goals, and outcomes, to train intelligent agents that can suggest what we have historically done for a client with this map, this complaint, and these goals. The vision is a fitness tracker for the brain, but with predictive intelligence on top of the aggregated data. Your phone reports your morning survey, the system notices the new protocol hurt your sleep maintenance, and you get a message saying tomorrow's protocol is different and here is why. Or it tells you that the late-Thursday drinking is tracking with your rough Fridays, and recommends an intervention that worked for you last year.
When you and I were kids there were not gyms on every corner. Now anyone can read a lipid panel and back off the ice cream. The brain is the next piece. It is less knowable and more variable across people, more like genetic information, additive and built up in systems rather than discrete. Pushing intelligent modeling onto that data drops the cost structure and raises access and agency for the consumer.
Where to Start
The fastest way in is a brain map. You see your own alpha speed, your own cingulate activity, your own attention test, and you start to recognize the patterns yourself. Once you can read your pictures, the relationship with your own suffering changes, and you move from being overwhelmed by what is happening to taking control of it. You can learn more at Peak Brain Institute, and if you want to understand the costs before you commit, I keep a current breakdown in How Much Does Neurofeedback Cost in 2026?.
References
- Arns (2013). A Decade of EEG Theta/Beta Ratio Research in ADHD: A Meta-Analysis. doi:10.1177/1087054712460087