Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur Orientation

Studies on Parkinson’s disease (PD) are becoming very popular on multidisciplinary platforms. The development of predictable telemonitored early detection models has become closely related to many different research areas. The aim of this article is to develop a visual performance test that can exam...

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Main Author: M. Erdem Isenkul
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Parkinson's Disease
Online Access:http://dx.doi.org/10.1155/2019/3247608
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author M. Erdem Isenkul
author_facet M. Erdem Isenkul
author_sort M. Erdem Isenkul
collection DOAJ
description Studies on Parkinson’s disease (PD) are becoming very popular on multidisciplinary platforms. The development of predictable telemonitored early detection models has become closely related to many different research areas. The aim of this article is to develop a visual performance test that can examine the effects of Parkinson’s disease on the visual cortex, which can be a subtitle scoring test in UPDRS. However, instead of showing random images and asking for discrepancies between them, it is expected that the questions to be asked to patients should be provable in the existing cortex models, should be deduced between the images, and produce a reference threshold value to compare with the practical results. In a developed test, horizontal and vertical motion blur orientation was applied to natural image samples, and then neural outputs were produced by representing three (original-horizontal-vertical) image groups with the Layer 4 (L4) cortex model. This image representation is then compared with a filtering model which is very similar to thalamus’ functionality. Thus, the linear problem-solving performance of the L4 cortex model is also addressed in the study. According to the obtained classification results, the L4 model produces high-performance success rates compared to the thalamic model, which shows the adaptation power of the visual cortex on the image pattern differences. In future studies, developed motion-based visual tests are planned to be applied to PD patient groups/controls, and their performances with mathematical threshold values will be examined.
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publishDate 2019-01-01
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series Parkinson's Disease
spelling doaj-art-1836e66ea48b4688a4cd9efc476dfa902025-02-03T06:13:21ZengWileyParkinson's Disease2090-80832042-00802019-01-01201910.1155/2019/32476083247608Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur OrientationM. Erdem Isenkul0Department of Computer Engineering, Istanbul University-Cerrahpasa, 34320 Avcilar, Istanbul, TurkeyStudies on Parkinson’s disease (PD) are becoming very popular on multidisciplinary platforms. The development of predictable telemonitored early detection models has become closely related to many different research areas. The aim of this article is to develop a visual performance test that can examine the effects of Parkinson’s disease on the visual cortex, which can be a subtitle scoring test in UPDRS. However, instead of showing random images and asking for discrepancies between them, it is expected that the questions to be asked to patients should be provable in the existing cortex models, should be deduced between the images, and produce a reference threshold value to compare with the practical results. In a developed test, horizontal and vertical motion blur orientation was applied to natural image samples, and then neural outputs were produced by representing three (original-horizontal-vertical) image groups with the Layer 4 (L4) cortex model. This image representation is then compared with a filtering model which is very similar to thalamus’ functionality. Thus, the linear problem-solving performance of the L4 cortex model is also addressed in the study. According to the obtained classification results, the L4 model produces high-performance success rates compared to the thalamic model, which shows the adaptation power of the visual cortex on the image pattern differences. In future studies, developed motion-based visual tests are planned to be applied to PD patient groups/controls, and their performances with mathematical threshold values will be examined.http://dx.doi.org/10.1155/2019/3247608
spellingShingle M. Erdem Isenkul
Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur Orientation
Parkinson's Disease
title Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur Orientation
title_full Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur Orientation
title_fullStr Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur Orientation
title_full_unstemmed Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur Orientation
title_short Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur Orientation
title_sort cortical visual performance test setup for parkinson s disease based on motion blur orientation
url http://dx.doi.org/10.1155/2019/3247608
work_keys_str_mv AT merdemisenkul corticalvisualperformancetestsetupforparkinsonsdiseasebasedonmotionblurorientation