The influence of reading direction on hemianopic reading disorders.

de Jong, Denise; Kaufmann-Ezra, Sigal; Meichtry, Jurka; von Arx, Sebastian Werner; Cazzoli, Dario; Gutbrod, Klemens; Müri, René Martin (2016). The influence of reading direction on hemianopic reading disorders. Journal of clinical and experimental neuropsychology, 38(10), pp. 1-7. Taylor & Francis 10.1080/13803395.2016.1189884

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Hemianopic reading impairment is a consequence of a visual field defect to either the right or the left side and is characterized by an increased reading time and reduced reading performance. Depending on the side of the visual field defect, reading will be affected differently: Patients suffering from a visual field defect to the right side have noticeable difficulties in reading fluently with slowing. Patients suffering from a visual field defect to the left usually struggle to find the beginning of a line and read more fluently. It was suggested in the literature that changing the reading direction from horizontal to vertical may be a training strategy to reduce reading problems in patients with hemianopia. The aim of the study was to investigate the influence of reading direction on reading speed in patients with left- or right-sided visual field defects and in healthy controls.

METHOD

In 13 patients with hemianopia and in 13 age-matched controls, reading speed was calculated for texts in standard as well as in clockwise rotated orientation of 90, 180, and 270°.

RESULTS

In both groups, text rotation reduced reading speed compared to standard reading. Patients with left-sided hemianopia had the greatest reduction after text rotation. Patients with right-sided hemianopia had the smallest speed reduction in 90° vertically rotated texts.

CONCLUSIONS

Text rotation has different effects in left- or right-sided hemianopia patients. For patients with left-sided heminanopia, rotation of the text may not be a helpful training strategy, for right-sided hemianopia vertical rotation of the text of 90° may be a beneficial training strategy to reduce reading deficits.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Neurology 10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research > ARTORG Center - Gerontechnology and Rehabilitation 04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine
UniBE Contributor:	de Jong, Denise, Kaufmann-Ezra, Sigal, Meichtry, Jurka, von Arx, Sebastian Werner, Cazzoli, Dario, Gutbrod, Klemens, Müri, René Martin
Subjects:	600 Technology > 610 Medicine & health
ISSN:	1744-411X
Publisher:	Taylor & Francis
Language:	English
Submitter:	Anette van Dorland
Date Deposited:	27 Jul 2016 08:02
Last Modified:	05 Dec 2022 14:57
Publisher DOI:	10.1080/13803395.2016.1189884
PubMed ID:	27350288
Uncontrolled Keywords:	Hemianopia; Reading orientation; Reading speed; Visual field defects
URI:	https://boris.unibe.ch/id/eprint/84388