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Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual...
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Chronic traumatic encephalopathy.

J Hugon1, C Hourregue1, E Cognat1

  • 1Centre de neurologie cognitive, AP-HP, Hôpital Lariboisière FW, Université de Paris et INSERM U1144, 75010 Paris, France.

Neuro-Chirurgie
|February 23, 2021
PubMed
Summary
This summary is machine-generated.

Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease from repeated head trauma. Prevention through strict medical protocols for athletes and veterans is crucial to mitigate risks associated with traumatic brain injury (TBI).

Keywords:
Behavioural symptomsCognitive declineNeurodegenerationTauopathyTraumatic brain injury

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Area of Science:

  • Neurology
  • Neuroscience
  • Sports Medicine

Background:

  • Chronic traumatic encephalopathy (CTE) is a progressive neurodegenerative disease.
  • It is strongly linked to repetitive traumatic brain injuries (TBIs).
  • CTE is prevalent in athletes (boxers, football players) and military veterans.

Purpose of the Study:

  • To review the neuropathological, clinical, and imaging findings in CTE.
  • To discuss the diagnostic challenges and emphasize prevention strategies.

Main Methods:

  • Review of neuropathological hallmarks: phosphorylated tau, TDP43, Aβ, and α-synuclein.
  • Analysis of clinical presentations: behavioral, cognitive, and mixed variants.
  • Examination of neuroimaging findings: MRI (atrophy, diffusion tensor imaging) and PET tau scans.

Main Results:

  • Neuropathology shows tau accumulations in cerebral sulci and other protein deposits.
  • Clinical variants manifest as behavioral changes, cognitive decline, or a mix.
  • Imaging reveals diffuse atrophy, axonal abnormalities, and elevated tau PET SUVR in CTE patients.

Conclusions:

  • CTE is a distinct neurodegenerative disease associated with TBI.
  • Prevention, particularly in sports and military settings, is paramount.
  • Strict medical guidance regarding return-to-play after concussion is essential.