Dr. Michael Veselak, D.C., CFMP

Functional Neurology

If you have been told your test results are normal — but you know something is wrong with how your brain and nervous system are working — functional neurology may be what you’ve been looking for.

Functional neurology is a specialized field that assesses and treats dysfunction in the brain and nervous system using targeted, non-pharmaceutical rehabilitation. It operates on a foundational principle that most of medicine overlooks: the nervous system can change. It can be retrained. It can recover.

Dr. Veselak’s practice in Camarillo, CA is built around this principle — and the results speak for themselves.

What Is Functional Neurology?

Functional neurology is a branch of chiropractic neurology and neurological rehabilitation that focuses on optimizing the function of the nervous system without drugs or surgery. Developed in large part by Dr. Frederick Carrick, it applies the principles of neuroplasticity — the brain’s ability to physically reorganize itself in response to experience — to the diagnosis and treatment of neurological conditions.

Where conventional neurology primarily diagnoses disease and manages it with medication, functional neurology asks a different question: how well is this nervous system actually functioning, and what can we do to make it function better?

This approach identifies specific deficits in brain function — cerebellar processing, vestibular integration, cortical activation, brainstem reflexes — and designs individualized rehabilitation programs to address them. The therapies are non-invasive, drug-free, and based on the same neuroplasticity research that underpins modern stroke rehabilitation.

The Science of Neuroplasticity

For most of the 20th century, neuroscience held that the adult brain was essentially fixed — that neurons could not regenerate and that brain function, once lost, was lost permanently.

This view has been completely overturned. We now know that the brain retains the capacity for structural and functional change throughout life. New synaptic connections form. Neural pathways strengthen with repeated use. Underactive brain regions can be reactivated through targeted stimulation.

This is neuroplasticity — and it is the scientific foundation of functional neurology. Every therapy used in functional neurological rehabilitation is designed to drive specific, measurable changes in nervous system function by stimulating neuroplastic adaptation.

Conditions Treated With Functional Neurology

Functional neurology is applicable to a remarkably broad range of conditions — because the nervous system is involved in virtually every aspect of health and function. Conditions commonly addressed at Dr. Veselak’s clinic include:

  • Dizziness and balance disorders — including benign paroxysmal positional vertigo (BPPV), vestibular hypofunction, and chronic disequilibrium
  • Post-concussion syndrome — persistent symptoms following traumatic brain injury including headache, brain fog, visual disturbances, dizziness, and emotional changes
  • Chronic pain — particularly pain with a central sensitization component that has not responded to standard treatment
  • Spinal stenosis — addressing the neurological dimension of stenosis-related pain and functional decline
  • Peripheral neuropathy — burning, numbness, and loss of sensation in the hands and feet from diabetes, chemotherapy, or idiopathic causes
  • Migraine and chronic headache — identifying and treating the neurological and metabolic triggers
  • Cognitive decline and brain fog — difficulty with memory, focus, word-finding, and mental clarity
  • Movement disorders — tremor, gait abnormalities, coordination problems
  • Anxiety and mood disorders — particularly when driven by identifiable neurological imbalances (HPA axis dysfunction, autonomic dysregulation)
  • Dysautonomia and POTS — dysfunction of the autonomic nervous system affecting heart rate, blood pressure, and systemic function
  • Tinnitus — ringing in the ears with neurological and brainstem components
  • Developmental and learning challenges — in pediatric patients, addressing neurological underpinnings of attention, coordination, and learning difficulties

How Functional Neurology Differs From Conventional Neurology

Many patients come to Dr. Veselak after seeing conventional neurologists — and receiving either a diagnosis with limited treatment options, or a normal finding with no clear path forward.

The difference between conventional and functional neurology is not one of competence — it is one of scope and philosophy:

Conventional neurology diagnoses neurological disease (MS, Parkinson’s, epilepsy, stroke, neuropathy) and manages it primarily with medications or surgery. Its threshold for intervention is disease: identifiable pathology on imaging or diagnostic testing.

Functional neurology identifies and treats neurological dysfunction — the gap between optimal function and where the patient currently is — even when no structural disease is present. It treats the space between “normal” on a scan and “functioning well” in daily life. This is where most patients with chronic dizziness, brain fog, post-concussion symptoms, and treatment-resistant pain actually live.

Both disciplines have essential roles. They are complementary, not competitive. Dr. Veselak works alongside conventional neurological care, not in opposition to it.

What Does a Functional Neurology Evaluation Involve?

The initial evaluation at Dr. Veselak’s clinic is comprehensive and differs substantially from a standard neurological examination. It includes:

Detailed history: Understanding the full timeline of neurological symptoms, prior injuries, illnesses, medications, and how symptoms fluctuate with activity, rest, and environmental conditions.

Eye movement examination: The eyes provide direct, real-time information about the function of the brainstem, cerebellum, and multiple cortical regions. Smooth pursuit, saccades, gaze holding, convergence, and optokinetic responses are assessed — each reflecting specific neurological circuits. Abnormalities reveal dysfunction that MRI cannot show.

Vestibular assessment: The inner ear’s balance system interacts intimately with the cerebellum and brainstem. Testing of positional nystagmus, Dix-Hallpike maneuvers, head impulse testing, and dynamic visual acuity identifies vestibular contributions to symptoms.

Cerebellar function testing: Coordination, rapid alternating movements, tandem gait, Romberg testing, and finger-nose-finger testing evaluate the cerebellum — the brain’s error-correction and timing center.

Proprioceptive and sensory testing: How well the brain receives and integrates position-sense information from the body directly affects pain, movement, and balance.

Reflex and cranial nerve assessment: Identifying asymmetries that reflect lateralized brain dysfunction.

Postural and gait analysis: How a patient moves reveals the integrated function of multiple neurological systems simultaneously.

The result of this evaluation is a functional neurological map — a precise picture of which systems are underperforming, and by how much. Treatment is built directly from this map.

Therapeutic Approaches Used in Functional Neurology

Functional neurological rehabilitation employs a range of evidence-based, non-invasive techniques:

Eye movement therapy: Specific gaze exercises, smooth pursuit training, and saccadic rehabilitation activate the brainstem, cerebellum, and frontal lobe circuits responsible for visual-motor coordination and neurological tone.

Vestibular rehabilitation: Repositioning maneuvers, habituation exercises, and balance retraining recalibrate the vestibular system and its central connections.

Cerebellar rehabilitation: Rhythmic, repetitive tasks — marching patterns, tandem walking, metronome-timed movements — drive cerebellar adaptation and restore the coordination and timing that the cerebellum provides.

Proprioceptive training: Balance boards, single-leg stance, vibration therapy, and joint repositioning tasks rebuild accurate sensory mapping in the brain and reduce central sensitization.

Hemispheric activation: When neurological assessment reveals asymmetric brain function — one hemisphere underactivated relative to the other — targeted techniques stimulate the underperforming hemisphere. This may include unilateral sensory input, specific motor exercise patterns, or auditory and visual stimulation delivered to one side.

Transcranial magnetic stimulation (TMS) and photobiomodulation: Non-invasive brain stimulation techniques that modulate neural excitability in targeted regions.

Vagus nerve stimulation: The vagus nerve is the primary communication highway between the brain and the body’s organs. Stimulation through breath work, cold exposure protocols, and specific physical techniques activates parasympathetic tone and reduces neuroinflammation.

Neurofeedback: Real-time EEG-based training that allows patients to consciously influence their brain wave patterns, strengthening regulation and reducing abnormal oscillatory patterns associated with pain, anxiety, and cognitive symptoms.

Functional Neurology and Functional Medicine: Better Together

The nervous system does not operate in a metabolic vacuum. Nutrient deficiencies impair neurological function. Systemic inflammation drives neuroinflammation. Hormonal imbalances alter neurotransmitter signaling. Gut dysbiosis produces neuroactive metabolites that directly affect brain function.

This is why Dr. Veselak integrates functional neurology with functional medicine — treating both the neurological function and the metabolic environment that supports it. Neurological rehabilitation works more efficiently and produces more durable results when the inflammatory and nutritional conditions for nervous system healing are in place.

Patients who receive only neurological rehabilitation sometimes plateau. Those who receive only metabolic support sometimes experience only partial improvement. The integration of both consistently outperforms either alone.

Who Is a Good Candidate?

You may benefit significantly from functional neurology if:

  • You have persistent neurological symptoms (dizziness, brain fog, headache, balance problems) with normal MRI findings
  • You have chronic pain that has not responded to structural treatments
  • You are recovering from a concussion or brain injury and still experiencing symptoms months or years later
  • You have peripheral neuropathy and want a non-drug approach to rebuilding nerve function
  • You have been told “everything looks normal” but know something is wrong
  • You want to address neurological symptoms without adding more medications

Frequently Asked Questions

Is functional neurology evidence-based?
Yes. It draws on the same neuroplasticity, vestibular rehabilitation, and pain neuroscience research that informs modern rehabilitation medicine. Individual techniques — vestibular rehabilitation, cerebellar training, eye movement therapy, proprioceptive training — each have peer-reviewed evidence bases.

Do I need a referral?
No referral is required to schedule an evaluation at Dr. Veselak’s clinic.

How many sessions will I need?
This is determined by the complexity and chronicity of your case. An initial evaluation establishes the treatment plan and expected timeline. Most patients with acute or subacute presentations respond within 4–8 weeks; chronic, complex cases may require longer treatment courses.

Is functional neurology covered by insurance?
Coverage varies by plan and by the specific services provided. Please contact our office for current insurance and payment information.

Can children receive functional neurological treatment?
Yes. Functional neurology is particularly effective in pediatric patients, whose nervous systems are highly plastic and responsive to rehabilitation.

Take the Next Step

If you or someone you love is living with neurological symptoms that haven’t been adequately addressed — dizziness, brain fog, chronic pain, post-concussion symptoms, balance problems — Dr. Veselak’s functional neurology approach offers a genuine path forward.

Our Camarillo clinic serves patients from throughout Ventura County, Los Angeles, and Southern California. We take the time to understand exactly what your nervous system needs — and to deliver a targeted, individualized plan to restore it.

Contact our office to schedule your comprehensive functional neurology evaluation.

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