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What is a 'Concussion'?
A concussion is a mild traumatic brain injury (TBI) caused by a jolt or impact to the head or body that jars the brain in the skull.
While it often doesn’t show up on standard imaging or even be remembered by the person experiencing it, even minor concussions can cause a cascade of neurological and chemical disturbances in the brain that can impair function, and leave a person wondering why they don't feel how they used to.
Concussions, even mild ones, can disrupt
brain function and contribute to Mental Health issues.
Although research has established that head injuries are a leading contributor to mental health disorders, many mental health professionals remain unaware—largely because psychiatry is one of the few medical specialties that seldom examines the very organ it treats, the brain.
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Knowing that even mild concussions can cause traumatic brain injuries, it makes sense that they may increase the risk of:
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Learning issues - Problems with reading, processing and learning
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Social Anxiety - feeling easily overwhelmed outside the home
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Generalised anxiety, panic disorders
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Depression and low mood
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Depersonalization and dissociation - feeling detached from their body, as if observing themselves from outside.
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ADD/ADHD - problems with concentration and focus
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Psychosis - loss of contact with reality, often involving hallucinations, delusions, and disorganized thinking
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Post-traumatic stress disorders
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Personality disorders, aggression, irritability
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Dementia - as the brain's delicate structures become damaged
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Drug and alcohol overuse in an effort to self-medicate
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Suicidal Ideation
Symptoms of Chronic Concussion
Physical
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Headache or pressure in the head
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Nausea or vomiting
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Dizziness or balance problems (Vestibular injury)
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Sensitivity to light and/or noise
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Fatigue or drowsiness
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Blurred or double vision
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Ringing in the ears (tinnitus)
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Feeling dazed or stunned
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Clumsiness or slowed physical responses
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Cognitive
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Confusion or feeling “foggy”
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Difficulty concentrating or thinking clearly
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Memory problems (especially short-term)
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Slowed processing speed
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Difficulty with word-finding or following conversations
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Emotional and Behavioral
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Irritability or mood swings
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Anxiety or nervousness
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Sadness or tearfulness
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Feeling more emotional than usual
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Personality changes
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Sleep
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Sleeping more than usual
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Trouble falling or staying asleep
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Sleeping less than usual
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Feeling unrested after sleep
Red Flag Symptoms of Major Concussion
These may indicate a more serious injury that requires urgent medical attention:
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Worsening headache
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Repeated vomiting
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Seizures or convulsions
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Slurred speech
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Unequal pupil size
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Weakness or numbness in limbs
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Loss of consciousness (even briefly)
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Unusual behavior or increasing confusion
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Untreated Concussions can Lead to Long Term Debility
If a person has suffered a serious concussion, the damage to the delicate tissues of the brain can be more severe and take longer to recover from. Medically, all that can be done is to wait, yet this approach can leave a person with a brain injury that is never really identified or acknowledged.
Why FSM?
FSM offers a proactive approach to brain healing and repair, even when the concussion was years ago. FSM facilitates healing to delicate brain and neural tissues in a gentle, non-invasive way, allowing a person to identify their injury, understand it, and reclaim who they were before the accident / injury.
FSM in the Management of Past Head Injuries
Frequency Specific Microcurrent (FSM) is a non-invasive therapy that uses low-level electrical currents—matched to specific frequencies that the body responds to —to promote healing and reduce symptoms in a wide range of conditions, including concussion and post-concussion syndrome.
In concussion care, FSM offers targeted support to the nervous system, brain areas and tissues, and emotional regulation centers, addressing both the structural and neurochemical disturbances caused by head bumps, impacts, shocks, jarring impacts and accidents.
In FSM therapy, concussions are understood not just as a brain event, but as a condition involving nerve trauma, emotional dysregulation, and inflammation affecting the medulla (94 Hz), midbrain (89 Hz), and spinal cord (10 Hz).
Often there is a Vesitublar Injury from the incident, which causes damage to the inner ear, the centre for balance.
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Healing often requires addressing the physical and emotional impacts of the injury, restoring nervous system balance, treating the vestibular system, and reducing inflammation and scar tissue in neural pathways.
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This work can help a person reclaim their life, it really can be life changing.
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When to Use FSM After an Injury
FSM treatment is typically adjusted based on the phase of injury:
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Acute Phase (0–7 days): Focuses on reducing inflammation, calming nervous tension, clearing bruising, enhancing tissue and nerve repair.
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Subacute Phase (1–6 weeks): Repair nerve trauma, clear emotional debris, support endocrine balance.
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Chronic Phase (>6 weeks to years): Focuses on deeper neurological repair, addressing persistent symptoms like headaches, foggy thinking, fatigue, and irritability.
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Many people don’t realize they’ve had a concussion
at all —they just feel “off” and struggle with
everyday tasks that once felt easy.
While major impacts are obvious, even more subtle things that lead to a sudden sharp movement can be enough to jar the brain against the inner edges of the skull, leading to subtle but significant changes in how the brain functions.
Sometimes, the telltale sign is when others notice a clear personality change—the person just isn’t how they used to be and is clearly struggling.
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Case Study
Patient: 42-year-old female, car accident 9 months ago
Injury: Rear-end collision with whiplash and head contact (no LOC)
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Chronic Symptoms:
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Feeling not quite right since the accident
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Persistent daily headaches (6–7/10)
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Neck pain and tension
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Visual tracking issues making it hard to read and work
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Mood swings, irritability, and anxiety
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Fatigue, poor sleep
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“Floating” sensation, emotional reactivity
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Anxiety and overwhelm at the slightest things
By session 3, sleep was significantly improved. Headaches reduced, emotional stability returned, and patient reported mental clarity, and “feeling like myself again” by week 6. Follow-up at 3 months showed lasting improvements.