concussion
part of speech
noun (concussion — usually uncountable; a concussion, concussions)
meaning for a pupil
1) Concussion is a brain injury caused by a hard knock to the head. tree →
2) A person with concussion may feel dizzy, sick, confused or sleepy, or have a headache. tree →
sense in the lessons
In safety and PE lessons, concussion is why we wear helmets for cycling, skating and some sports. In sport, a player who hits their head must stop playing and be checked by an adult or doctor («If in doubt, sit them out»). In stories a character may be knocked out and wake with concussion. Phrases: «have concussion», «get a concussion», «signs of concussion», «concussion check».
examples
- He got concussion when he fell off his bike. tree →
- A helmet can help prevent concussion. tree →
- Tell an adult if you hit your head and feel dizzy. tree →
- The player came off the pitch with a possible concussion. tree →
- Signs of concussion include headache and feeling sick. tree →
- After her concussion she had to rest for a week. tree →
- The coach checked him for concussion. tree →
- Concussion can happen even without being knocked out. tree →
note
UK often «have concussion»; US «have a concussion». Myth: you must be knocked out to have concussion — not true. Safety: after any head knock, stop playing, tell an adult, and get medical help if you vomit, feel very sleepy or confused.
In the corpora
- A head that hits the ground can cause a concussion, an injury to the brain that needs a doctor.
- Concussion is a brain injury from the brain being shaken; it can cause headache, dizziness, sickness, confusion and memory gaps.
- You can have concussion without being knocked out.
- Seeing two balls, a headache, dizziness or just feeling odd can mean concussion, even with no knockout.
- Signs of concussion include headache, dizziness, feeling sick, blurred vision, confusion, forgetting things, wobbling and acting differently.
Trees and pragmatics
Every meaning and example of «concussion» parsed by Mova, each sentence with its dependency tree and frames.