Online Google Dictionary

concussion 中文解釋 wordnet sense Collocation Usage Collins Definition
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concussions, plural;
  1. Temporary unconsciousness caused by a blow to the head. The term is also used loosely of the aftereffects such as confusion or temporary incapacity

  2. A violent shock as from a heavy blow
    • - the ground shuddered with the concussion of the blast

  1. injury to the brain caused by a blow; usually resulting in loss of consciousness
  2. any violent blow
  3. (concuss) shake violently
  4. (concuss) injure the brain; sustain a concussion
  5. Concussion is Matthew Ryan's third album. It was released in 2001 on WaxySilver.
  6. a violent collision or shock; an injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function
  7. (concuss) To injure the brain, usually temporarily, by violent impact
  8. The common result of a blow to the head or sudden deceleration usually causing an altered mental state, either temporary or prolonged. Physiologic and/or anatomic disruption of connections between some nerve cells in the brain may occur. ...
  9. injury to the brain caused by a hard blow or violent shaking, causing a sudden and temporary impairment of brain function, such as a short loss of consciousness or disturbance of vision and equilibrium.
  10. traumatic closed head injury that results in temporary impairment of neurological function, e.g., transient loss of consciousness
  11. Shock or sharp air waves caused by an explosion or heavy blow.
  12. A reversible paralysis of nervous functions following brain trauma, usually involving a transient loss of consciousness and/or a transient state of confusion.
  13. A form of mild traumatic brain injury; commonly caused by sports accidents and falls; can usually be fully recovered from
  14. Jarring injury of the brain resulting in dysfunction. It can be graded as mild, moderate or severe depending on loss of consciousness, amnesia and loss of equilibrium.
  15. a temporary or prolonged state of altered mental functions usually resulting from a blow of some kind. Football players speak of "getting their bell rung." A concussion may or may not result in unconsciousness. ...
  16. A concussion is caused by a direct blow to the head. Depending upon the severity of the concussion, injury can cause varying levels of impairment of brain function. Concussions are categorized as mild (grade 1), moderate (grade 2), or severe (grade 3) depending upon symptoms. ...
  17. Concussions range in significance from minor to major, but they all share one common factor — they temporarily interfere with the way your brain works. They can affect memory, judgment, reflexes, speech, balance and coordination (MayoClinic, 2009).
  18. A mild injury to the brain. These injuries are often caused by a blow to the head or a sudden violent motion that causes the brain to bump up against the skull. Also called a traumatic brain injury or closed head injury.
  19. This is sometimes referred to as a brain concussion or a cerebral concussion. It is a violent shaking or jarring of the brain caused by a direct blow or explosion.
  20. injury resulting from impact with an object.
  21. A disruption that results from the stunning, damaging, or shattering effects of a hard blow.
  22. A temporary loss of consciousness from traumatic brain injury.
  23. This is a blow to the head that can be mild or severe in nature and cause temporary or permanent change in functions.
  24. Injury that results from a violent jar or shock.
  25. Any alteration in cerebral function caused by direct or indirect (rotation) force transmitted to the head resulting in one or more of the following: a brief loss of consciousness, lightheadedness, vertigo, cognitive and memory dysfunction, tinnitus, difficulty concentrating, amnesia, headache, ...