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Brain Stimulation and Prism in Dysgraphia



Vatanparasti S1 ; Kazemnejad A2 ; Yoonessi A3 ; Oveisgharan S4
Authors

Source: Frontiers in Biomedical Technologies Published:2021

Abstract

Objectives: This study aimed to investigate influence of neglect and the effect of Prism Adaptation (PA) combined with continuous Transcranial magnetic Theta Burst Stimulation (cTBS) on the dysgraphia rehabilitation of Persian stroke patients with neglect. Ten patients with neglect and dysgraphia secondary to stroke were randomly assigned to the intervention group and received PA combined with cTBS over the left parietal cortex; the control group received PA combined with sham cTBS for 2 weeks in 10 daily sessions. Patients were assessed for dysgraphia in a spontaneous writing task before and after intervention. Dysgraphia was classified into omission, destruction, tilting, poor handwriting, distance, perseveration, and size errors. Neglect was evaluated using the Star Cancellation Test (SCT) and the Line Bisection task (LBT). Activities of Daily Living disability (ADL) were evaluated using the Catherine Bergego Scale (CBS). All patients showed significant improvement in dysgraphia (measured using a spontaneous writing test), neglect (measured using SCT and LBT), and ADL disability (measured using CBS) (p < 0.025). The PA+cTBS user group showed greater improvement in ADL disability compared with the PA+sham cTBS group. Destruction and omission errors were the most frequent errors in dysgraphia. Neglect and rehabilitation influences the writing system in stroke patients. PA combined with cTBS had more beneficial effects on ADL in stroke patients with neglect in compared to the PA. Both approaches improved dysgraphia, ADL disability and neglect symptoms. Copyright © 2021 Tehran University of Medical Sciences.
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