There are six different clinical trajectories, or types, of concussion and each type has specific triggers that bring on symptoms.
Below, match each concussion type (trajectory) with its symptoms and test your concussion knowledge!

Here are the basic symptoms of the six different trajectories (types) of concussions and their specific triggers (what can cause one to experience the symptom).
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Concussion Types and Triggers
Cognitive/Fatigue – trouble with extended and/or intricate mental tasks
- Complex subject material
- Long days
Post-traumatic migraine – trouble with any changes to routine/sensitivity to light or noise
- Sleeping in
- Loud concerts
- Loud sporting events
Ocular – trouble with visual tasks and tracking motion
- Visual tasks
- Reading long passages
- Looking at cell phones
Anxiety/mood – trouble with turning thoughts off and/or being excessively worried
- Social interactions
- Forced rest for active people
- Being held out of routine activities
Cervical – trouble with any stress or pressure on the neck, spine and/or spinal cord
- Bending over a computer
- Carrying heavy backpacks
Editor's Note: This video was originally published on , and was last reviewed on .
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