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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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Related Experiment Video

Updated: Mar 8, 2026

Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
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[Crossed Aphasia].

Martin Schorl1, Britta Förster2, Ines Kropff2

  • 1Neurologie, MediClin Klinik am Brunnenberg, Bad Elster.

Fortschritte Der Neurologie-Psychiatrie
|January 24, 2017
PubMed
Summary
This summary is machine-generated.

Crossed aphasia (CA), a rare language disorder from right-brain lesions in right-handed individuals, presents unique diagnostic challenges. This report details CA diagnosis, differential diagnoses, and discusses key hypotheses on its causes and effects.

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Area of Science:

  • Neuroscience
  • Neurolinguistics
  • Clinical Neurology

Background:

  • Crossed aphasia (CA) is an uncommon acquired language disorder.
  • It results from right-hemisphere brain lesions in right-handed individuals (dextrals).

Observation:

  • This case report focuses on the diagnostic criteria for CA.
  • It also addresses differential diagnoses to distinguish CA from other conditions.
  • Literature review covers etiological, epidemiological, phenomenological, and pathophysiological hypotheses.

Findings:

  • The study outlines diagnostic and differential diagnostic aspects of CA based on a case report.
  • It synthesizes current hypotheses regarding the underlying mechanisms and characteristics of CA.

Implications:

  • Understanding CA contributes to theories on cognitive lateralization.
  • Further research into CA can refine diagnostic and treatment strategies for acquired language disorders.