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Title: | Functional Foreign Accent Syndrome in suspected Conversion Disorder: A case study | Authors: | Keulen, S. Marien, P. VAN DUN, Kim D'aes, T. de Page, L. de Vroege, L. Van Schuerbeek, P. Raeymaekers, H. De Mey, J. Bastiaanse, R. Van der Feltz-Cornelis, C. Paquier, P. Van Overwalle, F. Verhoeven, J. |
Issue Date: | 2021 | Publisher: | EUROPEAN JOURNAL OF PSYCHIATRY | Source: | EUROPEAN JOURNAL OF PSYCHIATRY, 35 (1) , p. 46 -55 | Abstract: | Background and objectives: We provide a case analysis for a 28-year-old, native Dutch-speaking lady who developed Foreign Accent Syndrome (FAS), a few weeks after falling down the staircase. In addition to FAS, which gave the impression she spoke with a German accent, German(-like) words and structures occurred. Speech symptoms were aggravated by increased stress, fatigue or emotional pressure, and this triggered jargon speech. It was hypothesized her FAS and jargon developed on a functional basis. Methods: In-depth analyses of the patient's medical background, neuropsychological and neurolinguistic tests and psychodiagnostic exams were done. The patient participated in an fMRI experiment. In a syllable repetition paradigm, motor speech activations were compared to those of healthy individuals, to see whether they were altered, which would be expected in case of a neurological etiology. Results: Medical history disclosed prior traumatic experiences for which she sought help, but no neurological incidents. Repeated neuropsychological and neurolinguistic tests showed deficits in recent memory and executive functioning. The patient demonstrated great difficulties with picture naming. Clinically, language switching and mixing as well as recurring jargon speech was found. Formal psychodiagnostic tests did not identify a clear disorder, but psychodiagnostic interviews were consistent with a DSM-5 conversion disorder. The fMRI study demonstrated that speech network activations corresponded to those found in healthy participants. Conclusion: The clinical neurolinguistic characteristics, outcome of the fMRI experiment, together with the clinical psychodiagnostic findings were strongly indicative for an underlying functional etiology for the FAS and jargon speech, presenting as symptoms of conversion disorder. (C) 2020 Asociacion Universitaria de Zaragoza para el Progreso de la Psiquiatria y la Salud Mental. Published by Elsevier Espana, S.L.U. All rights reserved. | Notes: | Keulen, S (corresponding author), Vrije Univ Brussel, Ctr Clin & Expt Neurolinguist, Ctr Linguist CLIN, Pl Laan 2, B-1050 Brussels, Belgium. stefanie.keulen@vub.be |
Other: | Keulen, S (corresponding author), Vrije Univ Brussel, Ctr Clin & Expt Neurolinguist, Ctr Linguist CLIN, Pl Laan 2, B-1050 Brussels, Belgium. stefanie.keulen@vub.be | Keywords: | Foreign Accent;Syndrome;FAS;Language mixing;Language switching;Jargon;fMRI;Speech;Accent;Functional disorder;Conversion disorder | Document URI: | http://hdl.handle.net/1942/33499 | ISSN: | 0213-6163 | e-ISSN: | 0213-6163 | DOI: | 10.1016/j.ejpsy.2020.08.002 | ISI #: | WOS:000605289000006 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2022 |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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FINAL Revision Final Adapted Manuscript Keulen et al.pdf | Peer-reviewed author version | 635.61 kB | Adobe PDF | View/Open |
1-s2.0-S0213616320300719-main.pdf Restricted Access | Published version | 986.6 kB | Adobe PDF | View/Open Request a copy |
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