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Last updated: 04 January 2025 Print

Aphasia/Dysphasia

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AphasiaAuditory AgnosiaDysphasia

Aphasia/Dysphasia

  • Acquired disruption of language function (expressive or receptive/mixed).
  • Can be fluent or non-fluent.
  • Causes:
    • Brain trauma, stroke, cerebral infections (e.g., herpes simplex encephalitis), neoplasms, and neurodegenerative diseases (e.g., Niemann-Pick disease, adrenoleukodystrophy).

    Auditory Agnosia

    • Difficulty interpreting auditory inputs (speech, environmental sounds).
    • Often linked to Landau-Kleffner syndrome (LKS) and other epileptic encephalopathies.
    • Can stem from bilateral dysfunction of primary auditory cortical areas.

    Clinical Features

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