chronic traumatic encephalopathy

noun

: a progressive neurological disease that is found especially in athletes (such as boxers, wrestlers, or football players) who have experienced repetitive, mild injury to the brain and that is characterized by short-term memory loss, concentration deficits, confusion, depression, behavioral and personality changes (such as an increase in irritability, impulsivity, or aggression), speech and gait abnormalities, parkinsonism, and dementia
abbreviation CTE

called also dementia pugilistica, punch-drunk syndrome

Note: The neurological deterioration of chronic traumatic encephalopathy is accompanied by atrophy of the frontal and temporal lobes and accumulation of tau protein in neurofibrillary tangles.

Examples of chronic traumatic encephalopathy in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In addition to the autopsy, Burris said Martin’s brain was immediately sent to be examined posthumously for chronic traumatic encephalopathy, which can affect regions of the brain involved with regulating behavior and emotions and is linked to contact sports such as football. Hannah Fingerhut, Chicago Tribune, 26 June 2026 His family believes chronic traumatic encephalopathy (CTE) may have been the cause and are sending his brain to Boston for medical examination, according to The Athletic and ESPN. Bailey Richards, PEOPLE, 16 June 2026 Former Bruins enforcer Lyndon Byers, who died in 2025 at the age of 61, suffered from stage 3 chronic traumatic encephalopathy (CTE). Steve Conroy, Boston Herald, 28 May 2026 Andrews suspects that playing football well into his college years might have something to do with his condition, but CTE — chronic traumatic encephalopathy, the degenerative brain disease that has been found in people exposed to repetitive head trauma — can be diagnosed only after a person dies. Assistant Editor, Los Angeles Times, 18 May 2026 See All Example Sentences for chronic traumatic encephalopathy

Word History

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of chronic traumatic encephalopathy was in 1957

Browse Nearby Words

Cite this Entry

“Chronic traumatic encephalopathy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chronic%20traumatic%20encephalopathy. Accessed 28 Jun. 2026.

Medical Definition

chronic traumatic encephalopathy

noun
: a progressive neurological disease that is found especially in athletes (as boxers, wrestlers, or football players) who have experienced repetitive, typically minor injury (as concussion) to the brain and is characterized by short-term memory loss, concentration deficits, confusion, depression, behavioral and personality changes (such as an increase in irritability, impulsivity, or aggression), speech and gait abnormalities, parkinsonism, and dementia
abbreviation CTE

called also dementia pugilistica, punch-drunk syndrome

Note: The neurological deterioration of chronic traumatic encephalopathy is accompanied by atrophy of the frontal and temporal lobes and accumulation of tau protein in neurofibrillary tangles.

… it is only in the past decade that scientists have identified the problem in American football players. They have also been able to identify, on autopsy, pathological markers for the disease, now called chronic traumatic encephalopathyJeffrey Bartholet, Scientific American
[Dr. Robert] Cantu said that symptoms of chronic traumatic encephalopathy include depression and erratic behavior, but he declined to speculate on any role the condition played in Benoit's final violent acts.Alan Schwarz, The New York Times
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster