Red Light Therapy for the Brain. Understanding Photobiomodulation (PBM) and How It May Support Brain Health
Have you been searching for answers to questions like:
- Why do I have brain fog?
- Why can't I concentrate?
- Why is my memory getting worse?
- Can a concussion cause symptoms months or years later?
- Why am I mentally exhausted all the time?
- Is there a natural way to support brain health?
If so, you're not alone.
Many people struggle with memory concerns, poor focus, mental fatigue, headaches, or lingering concussion symptoms. While these problems can have many different causes, researchers are discovering that one common factor may be how efficiently the brain is producing and using energy.
One therapy that has generated increasing interest in neuroscience is Photobiomodulation (PBM), also known as transcranial photobiomodulation (tPBM) or red light therapy for the brain.
PBM is a non-invasive therapy that uses specific wavelengths of light to support healthy brain cell function. It is painless, requires no downtime, and is being studied for its potential role in supporting cognitive function, recovery, and healthy aging.
What Is Red Light Therapy for the Brain?
Although many people refer to it as red light therapy, most brain treatments actually use near-infrared light, which penetrates deeper through the scalp and skull than visible red light.
This process is called photobiomodulation (PBM).
Unlike ultraviolet (UV) light, which can damage tissue, near-infrared light does not burn or heat the brain. Instead, it passes through the scalp where it is absorbed by tiny structures inside brain cells called mitochondria.
Mitochondria are often called the "powerhouses" of the cell because they produce ATP, the energy that every brain cell needs to function.
Think of photobiomodulation as helping your brain cells produce energy more efficiently. When brain cells have the energy they need, they may communicate better, recover more effectively, and function more efficiently.
Why Does Brain Energy Matter?
Although your brain accounts for only about 2% of your body weight, it uses approximately 20% of your body's energy.
Every thought, memory, movement, emotion, and decision depends on healthy brain cells producing enough energy.
When energy production becomes less efficient due to aging, stress, poor sleep, inflammation, concussion, illness, or other factors, people may experience symptoms such as:
- Brain fog
- Poor concentration
- Mental fatigue
- Memory problems
- Slower processing speed
- Difficulty finding words
- Reduced cognitive performance
Photobiomodulation is designed to support the brain's natural ability to produce and use cellular energy.
How Does Photobiomodulation Work?
Research suggests that near-infrared light may help support healthy brain function by:
- Increasing cellular energy (ATP) production
- Supporting healthy mitochondrial function
- Improving blood flow to brain tissue
- Enhancing oxygen utilization
- Supporting healthy inflammatory responses
- Reducing oxidative stress
- Encouraging neuroplasticity, the brain's ability to adapt and form new connections
Rather than forcing the brain to change, PBM works by creating an environment that may allow brain cells to function more efficiently.
What Symptoms Are People Using PBM For?
Research into photobiomodulation continues to expand. Scientists are currently studying its potential role in supporting people experiencing:
Brain Fog
Difficulty thinking clearly, concentrating, remembering information, or feeling mentally sharp.
Memory Concerns
Age-related memory changes, mild cognitive impairment, and maintaining cognitive health as we age.
Concussion and Post-Concussion Syndrome
Persistent headaches, dizziness, brain fog, slowed thinking, memory problems, and mental fatigue following a concussion.
Difficulty Concentrating
Poor focus, reduced attention, and decreased mental endurance.
Anxiety and Stress
Researchers are investigating how improving brain function may help support emotional regulation and resilience.
Depression
Several clinical studies have explored photobiomodulation as a complementary therapy for individuals experiencing depression.
Sleep Problems
Healthy brain function depends on quality sleep. Researchers continue to investigate how PBM may support normal sleep regulation.
Healthy Aging
Many people use PBM as part of a proactive approach to maintaining brain health and cognitive performance as they age.
While research is encouraging, photobiomodulation is not considered a cure for these conditions, and more research is still needed.
Why We Personalize Treatment
Every brain is unique.
One of the limitations of many PBM programs is that every person receives the same treatment.
At O'Keefe Matz Functional Health Clinic, we believe treatment should be based on the individual, not a standard protocol.
When appropriate, we begin with a Quantitative Electroencephalogram (QEEG), also known as a brain map.
A QEEG measures patterns of brainwave activity and provides objective information about how different areas of the brain are functioning.
Combined with your health history, symptoms, and clinical evaluation, this information helps us determine whether photobiomodulation may be appropriate and allows us to personalize treatment whenever possible.
What to Expect During Treatment
Photobiomodulation is simple, comfortable, and relaxing.
During treatment, you'll wear a specialized near-infrared light therapy helmet while resting comfortably in a recliner.
Most people choose to relax, meditate, or simply rest during the session.
Treatment is:
- Non-invasive
- Drug-free
- Comfortable
- Painless
- Requires no downtime
Most patients return to their normal daily activities immediately afterward.
Is Photobiomodulation Safe?
When delivered using appropriate devices and established protocols, photobiomodulation has demonstrated an excellent safety profile in published research.
Because PBM does not involve medications or surgery, it is generally well tolerated by most individuals.
As with any healthcare service, treatment recommendations should be based on your individual health history and clinical findings.
What Does the Research Say?
Photobiomodulation is one of the fastest-growing areas of neuroscience research.
Scientists around the world continue to investigate its potential role in supporting:
- Brain fog
- Mild cognitive impairment
- Alzheimer's disease
- Parkinson's disease
- Traumatic brain injury
- Stroke recovery
- Depression
- Anxiety
- ADHD
- Sleep quality
- Migraine
- Healthy aging
Researchers continue to study how PBM may influence mitochondrial function, blood flow, inflammation, neuroplasticity, and communication between brain networks.
Although additional large clinical trials are still needed, the body of scientific literature continues to grow rapidly.
Is Photobiomodulation Right for You?
If you've been searching for answers to persistent brain fog, memory problems, difficulty concentrating, lingering concussion symptoms, or simply want to support your long-term brain health, photobiomodulation may be one part of a personalized treatment plan.
The first step is understanding why you're experiencing these symptoms.
After a thorough consultation and, when appropriate, QEEG brain mapping, we can help determine whether photobiomodulation, neurofeedback, functional medicine, or another approach may be appropriate for your individual needs.
Schedule a Consultation
If you're interested in learning whether photobiomodulation is right for you, we'd be happy to discuss your symptoms, answer your questions, and help you understand your options.