Final answer:
A concussion is a type of traumatic brain injury caused by a blow to the head or sudden jolt to the body. Symptoms include headache, dizziness, confusion, nausea, fatigue, changes in sleep patterns, amnesia, and sensitivity to light and noise.
Step-by-step explanation:
Concussion
A concussion is a type of traumatic brain injury that occurs when there is a blow to the head or a sudden jolt to the body that causes the brain to move rapidly back and forth inside the skull. It can disrupt normal brain function and lead to a variety of symptoms.
Symptoms of a concussion:
- Headache: Persistent or worsening headache.
- Dizziness: Feeling lightheaded or off-balance.
- Confusion: Difficulty remembering or concentrating.
- Nausea: Feeling sick to the stomach or vomiting.
- Fatigue: Extreme tiredness or lack of energy.
- Changes in sleep patterns: Insomnia or excessive sleepiness.
- Amnesia: Loss of memory about events before or after the injury.
- Sensitivity to light and noise: Sensation of discomfort with light or noise exposure.
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