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Non-invasive Brain Stimulation and Prism Adaptation in Art Constructive Errors in Painting
Shole Vatanparasti1, Anoshirvan Kazemnejad2, Shahram Oveisgharan3
1Department of Rehabilitation, Institute for Cognitive Science Studies, Tehran, Iran.
Basic and Clinical Neuroscience
|June 22, 2023
Summary
This study shows that prism adaptation combined with continuous Theta-burst transcranial magnetic stimulation effectively improved art errors and neglect symptoms in stroke patients. Rehabilitation significantly enhanced painting skills and reduced neglect in patients.
Area of Science:
- Neurorehabilitation
- Cognitive Neuroscience
- Stroke Recovery
Background:
- Stroke often leads to neglect, affecting visual-spatial attention and causing difficulties in daily activities like painting.
- Art constructive errors in painting are common in stroke patients with neglect, impacting their rehabilitation progress.
Purpose of the Study:
- To investigate the impact of neglect on painting rehabilitation in stroke patients.
- To evaluate the effectiveness of prism adaptation (PA) combined with continuous Theta-burst transcranial magnetic stimulation (cTBS) in improving art constructive errors in painting and neglect symptoms.
Main Methods:
- A randomized controlled trial involving 14 stroke patients with neglect and art constructive errors in painting.
- The rehabilitation group received PA + cTBS over the intact parietal cortex; the control group received PA + sham cTBS for two weeks.
- Assessment included figure copying tests (FCT), coloring tests (CT), and line bisection tasks (LBT) before and after intervention.
Main Results:
- Both groups showed significant improvements in art constructive errors in painting and neglect symptoms (P<0.05).
- Omission, neglect of warm colors, and deformation were the most frequent art errors observed.
- The combination of PA and cTBS demonstrated efficacy in stroke patient rehabilitation.
Conclusions:
- Neglect significantly influences the painting abilities of stroke patients.
- Rehabilitation strategies, including PA and cTBS, can effectively improve art constructive errors in painting and mitigate neglect symptoms in stroke survivors.
