May 13, 2026 | Nerve Surgery
3 minute read
Table of Contents
- Understanding the Nervous System
- Types of Nerves
- Voluntary vs. Involuntary Control
- Central vs. Peripheral Nervous System
- Why This Matters
- The Key Takeaway
Understanding the Nervous System
There are several ways to understand and classify the nervous system, but it helps to start with the basics. The nervous system is composed of specialized cells called neurons. When many of these neurons travel together in organized bundles, they form nerves—the pathways that carry signals back and forth throughout the body. Nerves can be categorized along any one of several parameters:
Types of Nerves
Nerves can be grouped based on what they do:
- Motor nerves control movement by sending signals to muscles.
- Sensory nerves carry information such as touch, pain, and temperature back to the brain.
- Mixed nerves contain both motor and sensory fibers.
Voluntary vs. Involuntary Control
Another way to classify nerves is by the type of activity they control:
- The somatic nervous system manages voluntary movement—actions you consciously control, like lifting a cup or walking.
- The autonomic nervous system involves involuntary functions, such as heartbeat, digestion, and breathing.
The autonomic system is further divided into:
- Sympathetic nerves, which activate the body’s “fight or flight” response (increasing heart rate, activating sweat glands)
- Parasympathetic nerves, which help the body rest, recover, and conserve energy (slowing the heart rate, supporting digestion)
Central vs. Peripheral Nervous System

One of the simplest and most clinically important distinctions is based on location:
- The central nervous system (CNS) is made up of the brain and spinal cord.
- The peripheral nervous system (PNS) consists of every nerve outside of the brain and spinal cord.
Peripheral nerves travel throughout the body, connecting the central nervous system to muscles, skin, and organs.
Why This Matters
Peripheral nerves can sometimes become irritated or compressed, which is what many people refer to as a “pinched nerve.” This compression can happen in many different parts of the body, including:
- The wrist (carpal tunnel syndrome)
- The elbow (cubital tunnel syndrome)
- The ankle (tarsal tunnel syndrome)
- The head and neck, where nerve compression can contribute to chronic headaches
Peripheral nerve surgery focuses on identifying and relieving these areas of compression.
The Key Takeaway
If you’ve been struggling with chronic headaches that haven’t improved with medications, physical therapy, or other conservative treatments, the cause may not be purely chemical. In some cases, the problem is mechanical, meaning a nerve may be physically irritated or compressed.
The good news is that, for carefully selected patients, this type of problem can often be treated effectively. If standard treatments haven’t worked, it may be worth exploring whether a nerve-related cause is contributing to your symptoms and which options are available to address it.
Learn More About Nerve Pain Treatment with Dr. Ziv Peled
If you would like to learn more about peripheral nerve surgery and your treatment options, please fill out our contact form to book your consultation. You can also call our office at (415) 751-0583 to speak with our team and schedule an appointment.