Functional Brain Surgery and Deep Brain Stimulation
Functional brain surgery covers advanced interventions targeting neural circuits in Parkinson's disease, essential tremor, dystonia, drug-resistant epilepsy, trigeminal neuralgia and selected chronic pain syndromes. Deep brain stimulation (DBS), also known as brain pacemaker therapy, is one of the best-known applications in this field. Treatment decisions are individualized by evaluating diagnosis, medication response, neurological examination, imaging findings, quality of life and overall health together.
What is Functional Brain Surgery?
Functional brain surgery includes surgical approaches that target specific brain or nervous system circuits to help manage movement disorders, pain, seizures and selected neurological dysfunctions. The aim is not always tissue removal. In selected patients, modulation of neural activity, seizure reduction or pain-signal control may be targeted.
What Is Deep Brain Stimulation (DBS)?
Deep brain stimulation (DBS) is a neuromodulation method that delivers electrical stimulation through electrodes placed in selected brain targets and a pulse generator typically positioned in the chest. It may be evaluated in selected patients with movement disorders such as Parkinson's disease, essential tremor and dystonia. The goal is not to fully eliminate disease; it is to support symptom control and daily function in suitable cases.
Treatment Areas
- Parkinson's disease
- Essential tremor
- Dystonia
- Drug-resistant epilepsy
- Trigeminal neuralgia
- Chronic pain syndromes
Treatment Methods
- Deep Brain Stimulation (DBS)
- Vagal nerve stimulation
- Epilepsy surgery
- Radiosurgery
- Stereotactic lesioning
- Spinal cord stimulation
Who May Be Suitable for Functional Brain Surgery?
- Patients with Parkinson symptoms affecting daily life despite medical therapy
- Patients with essential tremor causing difficulty in writing, eating or fine motor tasks
- Patients with medication-resistant dystonia
- Patients with epilepsy not adequately controlled with medications
- Patients with reduced quality of life despite chronic pain management
- Patients with persistent pain in trigeminal neuralgia despite medical treatment
- Patients considered surgically suitable after neurology and neurosurgery evaluation
Who May Not Be Suitable?
- Patients with unconfirmed movement disorder diagnosis
- Patients with advanced dementia or severe cognitive impairment
- Patients with uncontrolled psychiatric disease
- Patients with active infection
- Patients in whom surgical risk outweighs potential benefit
- Patients whose general health is not suitable for anesthesia or surgery
- Patients adequately controlled with medical treatment
Book Appointment
Contact via WhatsAppTreatment Area Table
| Condition | Possible Method | Treatment Goal |
|---|---|---|
| Parkinson's disease | Deep brain stimulation / DBS | Support reduction of tremor, rigidity, slowness and medication fluctuations |
| Essential tremor | DBS or stereotactic methods | Support reduction of tremor severity |
| Dystonia | Deep brain stimulation / DBS | Support control of involuntary muscle contractions |
| Drug-resistant epilepsy | Epilepsy surgery, VNS, DBS | Support reduction of seizure frequency and severity |
| Trigeminal neuralgia | Microvascular decompression, radiosurgery | Target reduction of facial pain |
| Chronic pain syndromes | Spinal cord stimulation | Support modulation of pain signaling |
Evaluation Process
Treatment decisions are not based on MRI alone. For interventions such as DBS, neurology and neurosurgery should evaluate the patient together.
- Confirmed diagnosis
- Disease duration
- Response to medications
- Impact on daily life
- Neurological examination
- MRI and required imaging
- Neuropsychological evaluation
- Surgical risk analysis
- Suitability for device programming and follow-up
Are There Risks in Functional Brain Surgery?
As with any intervention, functional brain surgery has potential risks. Risk level may vary by method, age, overall health status and the targeted region.
- Bleeding
- Infection
- Seizure
- Device or electrode-related problems
- Battery replacement need
- Programming adjustments requirement
- Speech, balance or mood changes
- Insufficient symptom control
Post-DBS Follow-up and Programming
After DBS surgery, treatment does not end with the procedure itself. Device activation, programming and symptom-based adjustments are required. Ongoing neurology-neurosurgery follow-up, medication review and quality-of-life monitoring are essential.
Frequently Asked Questions
What is functional brain surgery?
Functional brain surgery includes procedures targeting neural circuits in movement disorders, epilepsy, chronic pain and selected neurological conditions.
Which conditions use deep brain stimulation?
DBS is most commonly evaluated in movement disorders such as Parkinson's disease, essential tremor and dystonia. It may also be considered in selected epilepsy and chronic pain cases.
Does DBS completely cure Parkinson's disease?
No. DBS does not completely eliminate Parkinson's disease. In suitable patients it may support symptom control.
Who is considered for epilepsy surgery?
Surgical options may be evaluated in epilepsy patients whose seizures remain uncontrolled despite medication and who are found suitable after detailed assessment.
Is follow-up needed after DBS surgery?
Yes. Programming, adjustment and regular follow-up are required; care continues after surgery.
Internal Link Suggestions
Op. Dr. Fatih Kırar offers individualized treatment options in brain, nerve and spine surgery based on diagnosis, imaging findings and neurological examination. Decisions in functional brain surgery, DBS, epilepsy surgery and neuromodulation are made through specialist evaluation.