A violent jarring; a shock: The concussion from the explosion broke windows three blocks away. It’s estimated that 42 million people worldwide suffer a concussion each year. impact may be used to imply contact between two things, at least one of which is impelled toward the other. Concussion is difficult to treat because many cases occur without observable findings like disorientation or incoordination, and only more larger brain bleeds show up on structural imaging tests like CT or MRI. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! impact, collision, shock, concussion mean a forceful, even violent contact between two or more things. To save this word, you'll need to log in. What made you want to look up concussion? Studying synaptic plasticity and learning, Podcast: fish eyes the window to the brain, Podcast: mysteries of the corpus callosum, Podcast: the most aggressive cancer in the brain, Podcast: using brain imaging to diagnose mental illness, Podcast: curing schizophrenia, from lab to clinic, Podcast: using deep brain stimulation treat Parkinson’s disease, Podcast: coral bleaching in the Great Barrier Reef, Podcast: the curious link between vitamin D and schizophrenia, Podcast: Alzheimer's disease, a family perspective. concussions are graded as mild (grade 1), moderate (grade 2), or severe (grade 3), depending on such factors as loss of consciousness, amnesia, and loss of equilibrium.. People in the military who are exposed to explosions and victims of domestic abuse are also at particularly high risk. Symptoms of a concussion are typically short-lived and go away on their own. Are We Entering 'Uncharted' or 'Unchartered' Waters. She fell off a horse and suffered a concussion. Learn a new word every day. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. When concussion occurs in sport, players in most cases remain conscious, and the condition often goes undiagnosed. And while protective headgear prevents skull damage during high-impact knocks, it doesn’t prevent the brain from moving inside the skull. Diagnosis often depends on self-reporting of symptoms: the hallmarks are confusion, memory loss, and headache, which might not be immediately apparent. There is no universally accepted definition of concussion, and that's what partly makes it difficult to diagnose. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. https://www.thefreedictionary.com/Cerebral+Concussion. Accessed 28 Sep. 2020. Concussion is the most common and mild form of traumatic brain injury. n. 1. The concussion from the explosion broke windows three blocks away. the shock of falling rocks concussion when not in technical use, often suggests the shattering, disrupting, or weakening effects of a collision, explosion, or blow. Symptoms include temporary loss of consciousness and sometimes loss of memory. The attending doctor at the hospital and the company doctor reported his injuries as "extensive avulsion with laceration of tissues in the scalp and neck, and severe. Concussion occurs when either a direct impact or whiplash effect – either through a blow to the skull or the body — causes the brain to move inside the head and collide into the skull. People in certain sports have a higher risk of being concussed than the general population – rugby players and boxers, for example. Send us feedback. Learn more. The majority result from falls or car accidents, and in many cases people don’t seek medical attention. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. A doctor would look for cognitive and neurological clues (e.g. Symptoms that gradually improve over time, but which may be prolonged in a small percentage of people. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'concussion.' The brain floats inside the skull, suspended within a protective cushion of cerebrospinal fluid. Delivered to your inbox! Because the brain is so central to our lives, controlling mood, perception and movement, the effects of concussion can be far reaching. Concussion is the most common and mild form of traumatic brain injury. Test Your Knowledge - and learn some interesting things along the way. Synonym Discussion of concussion. Podcast: will nerve regeneration treat spinal cord injury. A direct blow to the head, face or neck, or from an impact to somewhere else on the body, can create a force that shakes the brain. When those cells are neurons, however, concussion is the outcome. level consciousness; fixed and dilated pupils) and may refer a patient for a CT scan to check for brain bleeds. I was blown off the deck by the concussion of the torpedoes. Definition (MEDLINEPLUS) A concussion is a type of brain injury.It's the most minor form. How to use concussion in a sentence. Within the skull, the brain floats in a protective suspension of cerebrospinal fluid. The symptoms may be obvious or may be so subtle that the affected person does not realize they have suffered a concussion. 2. Within the skull, the brain floats in a protective suspension of cerebrospinal fluid. These groups are also more likely to suffer repeated concussions. Violent forcible contact between two or more things: temporary harm to the brain caused by a heavy blow on the head. 14th century, in the meaning defined at sense 1a, Middle English concussioun, from Latin concussion-, concussio, from concutere to shake violently, from com- + quatere to shake. In the general population, however, concussion is in fact extremely common. the glass shattered on impact with the floor collision implies the coming together of two or more things with such force that both or all are damaged or their progress is severely impeded. the collision damaged the vehicle shock often denotes the effect produced by a collision and carries the suggestion of something that strikes or hits with force. Concussion definition is - a stunning, damaging, or shattering effect from a hard blow; especially : a jarring injury of the brain resulting in disturbance of cerebral function. Typically caused by a fall or car accident, it can also be sustained by a wide variety of other activities. Tanaka got a late start to the season because of a, Loyd also pointed out junior setter Caylan Koons had missed some time because of a, Wilson’s demotion came after starting running back Nick Chubb landed in the, Post the Definition of concussion to Facebook, Share the Definition of concussion on Twitter. A concussion is a type of brain injury that can be caused by falls, high-impact sports, and other accidents.. See the full definition for concussion in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for concussion, Nglish: Translation of concussion for Spanish Speakers, Britannica English: Translation of concussion for Arabic Speakers, Britannica.com: Encyclopedia article about concussion. concussion definition: 1. temporary damage to the brain caused by a fall or hit on the head or by violent shaking: 2…. Just as for any body part that is struck, bruising and cell damage can occur. Can you spell these 10 commonly misspelled words? Please tell us where you read or heard it (including the quote, if possible). A concussion is a complex, trauma-induced pathophysiological process affecting the brain … Postconcussion syndrome View in Chinese …least one study suggests that a history of prior concussion , particularly if recent or multiple, is a risk factor for prolonged symptoms after concussion . A concussion is a form of minor brain trauma in which the function of the brain becomes altered but no abnormalities can be detected by imaging tests such as CT scans. When that force is strong enough, or comes from a particular direction, the brain can move so that it strikes the skull or twists upon itself. What's clear is that concussion results in: Rapid impairment in brain function that is temporary and gets better by itself, A variety of symptoms, but not necessarily loss of consciousness, Disturbance to the brain’s function rather than physical structure, which means that standard neuroimaging tests such as MRIs and CT may not detect any changes. Cerebral Concussion synonyms, Cerebral Concussion pronunciation, Cerebral Concussion translation, English dictionary definition of Cerebral Concussion. While anyone who has been ‘knocked out’ has usually suffered concussion, you can be concussed without losing consciousness. In 15 participants (19 ± 5 years, 1 week to 1 year post-injury) diagnosed with concussion, we assessed vasoreactivity from the slope of the linear relationship of beat-by-beat middle cerebral artery blood flow velocity (transcranial Doppler ultrasound) to end-tidal CO 2 during progressive increases in end-tidal CO 2 (air rebreathing). You don't have to lose consciousness to have a concussion, and the force required for it to occur is small. A slight injury to the brain that causes a temporary loss of consciousness. An injury to the brain resulting from shaking or a blow to the head. The connection between contact sport and concussion has been widely publicised. bystanders felt the concussion of the blast. As a result, neurons are damaged and the brain may bruise at the site of impact. The outcome of a blow to the head can be either mild or severe. ډكه، ټكر، جټكه، زيان (طب) غير طبيعى جسمى حالت چه ديو ګوزار يا جټكى په اثر پيداشى)، سربدالى, การบาดเจ็บชั่วคราวในสมองเนื่องจากถูกตีอย่างแรงที่ศีรษะ, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Correlation of Oxidative and Antioxidative Processes in the Blood of Patients with Cervical Spinal Cord Injury, Traumatic brain injury: recognition and treatment options for mild injury and what can we learn from failed clinical trials, A clinical study of compression plate fixation in diaphyseal fracture of radins and ulna, Doctors should make football concussion decision, Cerebral damage in diving: taking the cue from sports concussion medicine, Cerebral blood flow measured by Laser Doppler flowmetry, Cerebral Blood Flow using Laser Doppler Flowmetry, Cerebral Blood Flow Velocity in the Middle Cerebral Artery. Technically, a concussion is a short loss of normal brain function in response to a head injury.But people often use it to describe any minor injury to the head or brain. Within the skull, the brain floats in a protective suspension of cerebrospinal fluid. Concussion is the mildest form of traumatic brain injury (TBI). “Concussion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/concussion.