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Related Experiment Videos

Auditory evoked potential and psychiatry.

J Thivierge1, Y Julien

  • 1Centre de Recherche Laval Robert Giffard, Beauport, Québec.

Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie
|August 1, 1988
PubMed
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A mild head trauma in an adolescent caused post-traumatic syndrome with cognitive and emotional symptoms. A persistent asymmetry in Cortical Auditory Evoked Response was noted despite normal neurological exams, suggesting a potential biomarker for mild traumatic brain injury.

Area of Science:

  • Neuroscience
  • Clinical Psychology
  • Audiology

Background:

  • Mild traumatic brain injury (mTBI) can result in persistent post-concussive symptoms.
  • Adolescents may experience unique challenges in recovery from head trauma.
  • Accurate diagnosis and identification of biomarkers for mTBI are crucial.

Observation:

  • An adolescent experienced a head trauma without significant loss of consciousness.
  • The patient presented with a constellation of symptoms including headaches, nervousness, depersonalization, memory impairment, and difficulty concentrating.
  • Standard neurological examinations and laboratory tests yielded normal results.

Findings:

  • A significant and persistent asymmetry in the Cortical Auditory Evoked Response (CAER) was detected.

Related Experiment Videos

  • This CAER asymmetry was observed despite the absence of significant neurological deficits on conventional testing.
  • The findings suggest CAER may serve as a sensitive indicator of brain dysfunction following mTBI.

    • Implications:

    • Cortical Auditory Evoked Response asymmetry could be a valuable diagnostic marker for mTBI in adolescents.
    • Further research into CAER's utility may improve the understanding and management of post-traumatic syndromes.
    • Neuropsychological assessment combined with electrophysiological measures like CAER offers a comprehensive approach to evaluating mTBI sequelae.