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The Posterior Fossa and Foreign Accent Syndrome: Report of Two New Cases and Review of the Literature

Keulen, S., Mariën, P., van Dun, K., Bastiaanse, R., Manto, M. & Verhoeven, J., Aug-2017, In : Cerebellum. 16, 4, p. 772-785 14 p.

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  • The Posterior Fossa and Foreign Accent Syndrome

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Foreign accent syndrome is a rare motor speech disorder that causes patients to speak their language with a non-native accent. In the neurogenic condition, the disorder develops after lesions in the language dominant hemisphere, often affecting Broca's area, the insula, the supplementary motor area and the primary motor cortex. Here, we present two new cases of FAS after posterior fossa lesions. The first case is a 44-year-old, right-handed, Dutch-speaking man who suffered motor speech disturbances and a left hemiplegia after a pontine infarction. Quantified SPECT showed a bilateral hypoperfusion in the inferior lateral prefrontal and medial inferior frontal regions as well as a significant left cerebellar hypoperfusion. Further clinical investigations led to an additional diagnosis of brainstem cognitive affective syndrome which closely relates to Schmahmann's syndrome. The second patient was a 72-year-old right-handed polyglot English man who suffered a stroke in the vascular territory of the left posterior inferior cerebellar artery (PICA) and developed a foreign accent in his mother tongue (English) and in a later learnt language (Dutch). In this paper, we discuss how the occurrence of this peculiar motor speech disorder can be related to a lesion affecting the posterior fossa structures.

Original languageEnglish
Pages (from-to)772-785
Number of pages14
JournalCerebellum
Volume16
Issue number4
Publication statusPublished - Aug-2017

    Keywords

  • Journal Article

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