
You Want Answers About Your Brain
When you are struggling with dizziness, headaches, memory lapses, or difficulty focusing, it is natural to want clear answers. Why do these symptoms happen? What is going on inside
your brain?
The truth is, even scientists spent centuries debating the very question you are asking now: How does the brain work?
For patients visiting a chiropractic neurology office, this history is more than just an academic curiosity. It explains why care today focuses on networks and systems rather than isolated symptoms. By learning how our understanding of the brain evolved—from early ideas of a continuous web, to the discovery of neurons, to modern systems theory—you will see how this progression directly impacts the way your treatment plan is designed.
Confusion About How the Brain Works
If you have ever tried to read about the brain online, you may have felt overwhelmed. Words like “neurons,” “reticular theory,” “circuits,” and “systems” can feel abstract and technical. Without context, they do not make sense.
This confusion is not new. In fact, the history of neuroscience is filled with competing theories. Each new discovery built on what came before, sometimes correcting major misconceptions. For a patient, this story matters because it shows how science has moved from narrow models to more complete approaches—and why your care today is based on the most holistic understanding available.
- Read more about: MyoSynaptics: Where Fascia Meets the Brain
The Evolution of Brain Theories
Step 1: The Reticular Theory
In the early 1800s, the leading idea was the reticular theory. According to this theory, the nervous system was a single, continuous network—like a tangled fishing net. Scientists believed that nerve tissue formed one giant web without distinct parts.
The reticular theory made sense at the time because microscopes were limited. The brain looked like an unbroken mass of fibers. If everything was connected, then signals could flow quickly across the entire brain, much like water seeping through a sponge.
But this theory left big questions. If the brain was just one fused web, how could there be specialized areas for vision, movement, or memory? And how could complex functions be so precise if everything was blended together?
Step 2: The Neuron Theory
A major breakthrough came when Santiago Ramón y Cajal used advanced staining methods to see the brain more clearly. In the late 1800s, he demonstrated that the nervous system was not one fused net. Instead, it was made up of individual cells, later called neurons.
The neuron theory became the new foundation of neuroscience. It stated that:
- Neurons are the basic structural and functional units of the nervous system.
- Each neuron is a separate cell, not fused with others.
- Neurons communicate through specialized connections called synapses.
- Information flows in a single direction inside a neuron: from dendrites to cell body to axon.
This was a massive shift. Suddenly, scientists could study individual neurons, classify them, and understand how they transmitted signals.
A simple analogy is to think of neurons like individual musicians in an orchestra. Each one can produce a sound. Each one matters. But just as music requires many musicians playing together, brain function requires neurons working in coordination.
Neuron theory gave us the tools to see the musicians, but it did not yet explain the symphony.
Step 3: The Systems Theory
By the twentieth century, neuroscientists realized that understanding individual neurons was not enough. A single neuron cannot walk, remember, or feel emotion. These functions require vast groups of neurons communicating in organized networks.
This gave rise to systems theory, which views the brain as an interconnected set of networks. Instead of focusing on one cell at a time, systems theory asks:
- How do different brain regions work together?
- How do sensory inputs integrate to create perception?
- How do circuits adapt and change with learning or injury?
Systems theory explains why you can balance while walking down a busy street: your visual system, vestibular system (balance organs in the inner ear), proprioceptive system (body awareness), and motor cortex all work in concert. If one system is underperforming, the others may struggle to compensate, leading to dizziness or unsteadiness.
This systems perspective is also central to chiropractic neurology. We assess how networks interact, not just whether one neuron fires correctly. Rehabilitation focuses on restoring balance across systems so that your brain and body communicate smoothly again.
Why This Matters for You
At first glance, theories from the 1800s may feel far removed from your daily struggles. But here is why they matter:
- Reticular theory taught us the importance of connectivity, but it was too vague.
- Neuron theory showed us the building blocks, but it was too narrow.
- Systems theory gives us a complete, functional picture—one that matches how symptoms really appear in life.
Your dizziness, headaches, or difficulty concentrating are rarely caused by a single neuron malfunctioning. More often, they stem from a system that has lost balance. Maybe your vestibular system is underactive, or your frontal lobe is not inhibiting your midbrain responses strongly enough. By looking at systems, not just parts, we can design therapies that restore harmony across your brain’s networks.
The Plan: How Chiropractic Neurology Uses Systems Theory
When you come to a chiropractic neurology office, the process follows a clear path:
- Assessment – A detailed neurological exam evaluates your reflexes, balance, coordination, eye movements, and sensory responses. This identifies which systems are strong and which are underperforming.
- Identification of System Imbalances – Instead of labeling one “bad neuron,” we determine whether entire systems—such as the cerebellum, vestibular system, or frontal lobes—need support.
- Targeted Rehabilitation – Therapies are designed to strengthen weak networks and rebalance system communication. These may include eye movement exercises, balance training, sensory integration work, and myofascial interventions that improve feedback to the nervous system.
- Progressive Adaptation – Because the brain is plastic (capable of change), therapies evolve as you improve. The goal is not only to reduce symptoms but to restore resilience across your nervous system.
Patient-Friendly Analogies: Making Sense of Brain Systems
- The Orchestra Analogy: Neurons are like musicians. Systems are like the full orchestra. For music to sound beautiful, everyone must play together. If one section is too loud or too quiet, the music feels off. Similarly, symptoms arise when one brain system is out of tune with the others.
- The Traffic Analogy: Neurons are like individual cars. Systems are like the entire traffic flow of a city. A single car matters, but traffic jams or accidents happen when the system of roads and signals breaks down.
- The Team Analogy: Neurons are like players. Systems are like the whole sports team. Winning requires teamwork, not just one star athlete.
These analogies make it easier to see why systems theory is so important in care.
The Transformation: What This Means for Daily Life
When your care focuses on systems rather than isolated parts, your outcomes shift dramatically. Instead of chasing symptoms, we retrain the networks that underlie those symptoms.
- Brain fog begins to clear because frontal lobe activity and attention systems are retrained.
- Dizziness fades as the vestibular and visual systems learn to integrate smoothly.
- Headaches lessen as brainstem and cortical systems rebalance.
- Movement becomes smoother because the cerebellum, basal ganglia, and motor cortex are working in harmony again.
In other words, systems theory leads to practical improvements in daily life—confidence in walking, clarity in thinking, steadiness in balance, and calmness in emotions.
Bringing It All Together
The journey from reticular theory to neuron theory to systems theory shows the unfolding story of neuroscience. It also shows why chiropractic neurology practices the way it does.
Your brain is not just a web. It is not just a collection of isolated cells. It is a living, dynamic system of networks that can adapt, rewire, and heal. By approaching your care through this systems lens, chiropractic neurology gives you the most complete pathway to restoring function and improving quality of life.
If you or someone you love is experiencing symptoms that you are not finding any explanation for or relief from and you would like to learn how chiropractic neurology can help, contact the team at Georgia Chiropractic Neurology Center today. We look forward to hearing from you.
Written by Sophie Hose, DC, MS, DACNB, CCSP
Peer-Reviewed References
- Ramón y Cajal S. (1995). Histology of the Nervous System of Man and Vertebrates. Oxford University Press.
- Bullock TH, Bennett MVL, Johnston D, Josephson R, Marder E, Fields RD. (2005). Neuroscience. The neuron doctrine, redux. Science, 310(5749), 791–793.
- Sporns O. (2011). Networks of the Brain. MIT Press.
- Bressler SL, Menon V. (2010). Large-scale brain networks in cognition: emerging methods and principles. Trends in Cognitive Sciences, 14(6), 277–290.
- Bassett DS, Sporns O. (2017). Network neuroscience. Nature Neuroscience, 20(3), 353–364.
