Language-Specific Dysgraphia in Korean Stroke Patients

Abstract

Language-specific writing errors by Korean stroke patients reflect the unique characteristics of Korean writing, which include the arrangement of strokes and graphemes within a square syllabic form by dimensional and spatial rules. These findings support the notion that the Korean writing system possesses a language-specific nature with both linguistic and visuospatial/constructive processes. Distinctive patterns of dysgraphia in the Korean language also suggest interactivity between linguistic and visuospatial/constructive levels of processing. This study is noteworthy for its systematic description of Korean dysgraphia in the largest group of patients studied to date.

Dysgraphia in Korean patients with Alzheimer's disease as a manifestation of bilateral hemispheric dysfunction

“…3c) are language-specific in that misposition can result in nonexistent and meaningless forms in Korean syllabic writing. This language-specific error has also been observed in Korean patients with stroke [13,14] and in patients with early onset AD [16]. This is attributed to the fact that each grapheme of Hangul has its own allocated space within a square syllabic form (Fig.…”

“…We additionally analyzed error patterns based on the criteria proposed by previous studies [10,13,14,21,22]. The linguistic errors consisted of graphemic omission (e.g., ), substitution (e.g., ), and addition (e.g.,…”

“…The primary errors observed in unilateral stroke patients are linguistic errors such as substitution [10][11][12][13]. Stroke patients with RH lesions display prominent errors relevant to the physical form such as stroke omission and addition, and visuospatial errors such as graphemic misposition [13,14].…”

Size variability of handwriting in healthy Korean older adults

“…From a language-specific point of view, writing in Hangul invokes visuomotor coordination and visuoconstructional functions that other writing systems use less extensively. [27][28][29][30] Each grapheme is placed within a square space to form a syllable according to three configurations: (i) vertical (drawn from top-to-bottom, e.g. ); (ii) horizontal (drawn from left-to-right, e.g.…”

Language-Specific Dysgraphia in Persian Patients with Right Brain Stroke: Influence of Visuospatial Neglect and Rehabilitation

“…Dysgraphia, also known as spatial writing disorders, is defined by inscribing errors which commonly contain missing elements, omission errors, addition errors, tilting error, visuospatial destruction mistake, and syllabic tilting fault. These errors have been observed in patients of various languages, such as Japanese (3), English (7), French (8), Spanish (4), and Korean, with right-brain stroke (9)(10)(11). However, writing disorder due to right-brain stroke has various forms associated with the specific writing system of a given language.…”