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

Nearly 3 in 4 former NFL players had chronic traumatic encephalopathy (CTE) at the time of their death, according to a new study published Wednesday in the Journal of the American Medical Association. — ABC News, 28 Oct. 2026

Nearly 75% of NFL players who died between 2008 and 2023 had chronic traumatic encephalopathy, or CTE, a new study led by Boston University researchers finds. — Digital Producer, CBS News, 28 Oct. 2026

Now, a new study estimates that nearly 3 in 4 former NFL players who died between 2008 and 2023 had chronic traumatic encephalopathy, even when accounting for all the players whose brains weren’t donated and studied. — Emily Kay Votruba, EverydayHealth.com, 28 Oct. 2026

Scientists now call this condition chronic traumatic encephalopathy, or CTE. — Alexandra Pattillo, Scientific American, 23 Sep. 2026

Word History

First Known Use

1957, in the meaning defined above

Rhymes for chronic traumatic encephalopathy

• cardiomyopathy
• coagulopathy
• homoeopathy
• polyneuropathy
• radiculopathy
• enteropathy
• myelopathy
• retinopathy
• myopathy
• psychopathy

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 encephalopathy …

—Jeffrey 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