کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8841077 | 1614705 | 2018 | 33 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Being on Target: Visual Information during Writing Affects Effective Connectivity in Parkinson's Disease
ترجمه فارسی عنوان
هدف قرار دادن: اطلاعات بصری در هنگام نوشتن بر روی ارتباط موثر در بیماری پارکینسون تاثیر می گذارد
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کلمات کلیدی
DCMBOLDMMSEBMSMDS-UPDRSH&Y - H & YMT/V5 - MT / V5Bayesian model selection - انتخاب مدل بیزیblood-oxygen-level-dependent - خون وابسته به اکسیژنprimary motor cortex - قشر حرکتی اولیهCerebellum - مخچهdynamic causal modeling - مدل سازی عاملی پویاMini-Mental State Examination - معاینه دولتی مینی روانشناسیHospital Anxiety and Depression Scale - مقیاس اضطراب و افسردگی بیمارستانHADS - هاتhealthy control - کنترل سالم
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب (عمومی)
چکیده انگلیسی
A common motor symptom of Parkinson's disease (PD) is micrographia, characterized by a decrease in writing amplitude. Despite the relevance of this impairment for activities of daily living, the underlying neural network abnormalities and the impact of cueing strategies on brain connectivity are unknown. Therefore, we investigated the effects of visual cues on visuomotor network interactions during handwriting in PD and healthy controls (HCs). Twenty-eight patients with early disease, ON dopaminergic medication, and 14 age-matched controls performed a pre-writing task with and without visual cues in the scanner. Patients displayed weaker right visuo-parietal coupling than controls, suggesting impaired visuomotor integration during writing. Surprisingly, cueing did not have the expected positive effects on writing performance. Patients and controls, however, did activate similar networks during cued and uncued writing. During cued writing, the stronger influence of both visual and motor areas on the left superior parietal lobe suggested that visual cueing induced greater visual steering. In the absence of cues, there was enhanced coupling between parietal and supplementary motor areas (SMA) in line with previous findings in HCs during uncued motor tasks. In conclusion, the present study showed that patients with PD, despite their compromised brain function, were able to shift neural networks similar to controls. However, it seemed that visual cues provided a greater accuracy constraint on handwriting rather than offering unequivocal beneficial effects. Altogether, the results suggest that the effectiveness of using compensatory neural networks through applying external stimuli is task dependent and may compromise motor control during writing.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuroscience - Volume 371, 10 February 2018, Pages 484-494
Journal: Neuroscience - Volume 371, 10 February 2018, Pages 484-494
نویسندگان
Evelien Nackaerts, Jochen Michely, Elke Heremans, Stephan Swinnen, Bouwien Smits-Engelsman, Wim Vandenberghe, Christian Grefkes, Alice Nieuwboer,