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Yang, Park, Joo, and Kim: Mirror Writing after Thalamic Hemorrhagic Stroke: A Case Report
Case Report

Brain & Neurorehabilitation 2014; 7(1): 61-65.

Published online: 31 March 2014

DOI: https://doi.org/10.12786/bn.2014.7.1.61

Mirror Writing after Thalamic Hemorrhagic Stroke: A Case Report

Jin Kyu Yang, M.D., Jong Bum Park, M.D.1, So Young Joo, M.D., Deog Young Kim, M.D., Ph.D.

Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Korea.

1Department of Rehabilitation Medicine, Konyang University College of Medicine, Korea.

Correspondence to: Deog Young Kim, Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, 250, Seongsan-ro, Seodaemun-gu, Seoul 120-752, Korea. Tel: 02-2228-6730, Fax: 02-363-2795, kimdy@yuhs.ac

Received 12 August 2013       Revised 1 September 2013       Accepted 5 December 2013

Copyright © 2014 Korean Society for Neurorehabilitation

Abstract

Mirror-writing is the process of reversing individual letter and composing word sequence in opposite direction. Unintentional mirror writing has been observed in young children learning to write and interpreted as the manifestation of different cognitive impairments. It is very rare that normal right-handed adult shows mirror writing. However, the acquired "mirror writing" may be shown in left hemispheric stroke, neurodegenerative disease, and diffuse cerebral disorders. To explain this event, some assumption have been indicated such as the motor, the visual dominance, the supplementary motor area, the visio-spatial, the visual word-form, the hemispatial factor or directional and the reflected graphemic representation hypotheses. It is reported that the lesions which causes the "Mirror-writing" are the parietal lobe, basal ganglia, thalamus and right supplementary motor area, etc. We reported a case of "mirror-writing" with left thalamic hemorrhagic stroke.

Keywords: hemorrhagic stroke, mirror writing, thalamic

Figures and Tables

Fig. 1
Findings of Brain magnetic resonance imaging on admission.
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Fig. 2
Copying simple sentence, word, numeral figures, and symbolic letters with left hand.
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Fig. 3
Drawing Clock with left hand.
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