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With the motion-capture application (TDPT-GT) generating 30 Hz coordinates at 27 points on the body, walking in a circle 1 m in diameter was recorded for 23 of iNPH, 23 of PD, and 92 controls. For 128 frames of calculated distances from the navel to the other points, after the Fourier transforms, the slopes (the representatives of fractality) were obtained from the graph plotting the power spectral density against the frequency in log\u2013log coordinates. Differences in the average slopes were tested by one-way ANOVA and multiple comparisons between every two groups. A decrease in the absolute slope value indicates a departure from the 1\/f noise characteristic observed in healthy variations. Significant differences in the patient groups and controls were found in all body positions, where patients always showed smaller absolute values. Our system could measure the whole body\u2019s movement and temporal variations during walking. The impaired fluctuations of body movement in the upper and lower body may contribute to gait and balance disorders in patients.<\/jats:p>","DOI":"10.3390\/s23229263","type":"journal-article","created":{"date-parts":[[2023,11,20]],"date-time":"2023-11-20T01:54:12Z","timestamp":1700445252000},"page":"9263","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Fluctuations in Upper and Lower Body Movement during Walking in Normal Pressure Hydrocephalus and Parkinson\u2019s Disease Assessed by Motion Capture with a Smartphone Application, TDPT-GT"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9953-7323","authenticated-orcid":false,"given":"Chifumi","family":"Iseki","sequence":"first","affiliation":[{"name":"Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai 980-8575, Japan"},{"name":"Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Yamagata 990-2331, Japan"}]},{"given":"Shou","family":"Suzuki","sequence":"additional","affiliation":[{"name":"Department of Informatics, Faculty of Engineering, Yamagata University, Yonezawa 992-8510, Japan"}]},{"given":"Tadanori","family":"Fukami","sequence":"additional","affiliation":[{"name":"Department of Informatics, Faculty of Engineering, Yamagata University, Yonezawa 992-8510, Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7158-5569","authenticated-orcid":false,"given":"Shigeki","family":"Yamada","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan"},{"name":"Interfaculty Initiative in Information Studies, Institute of Industrial Science, The University of Tokyo, Tokyo 113-8654, Japan"},{"name":"Normal Pressure Hydrocephalus Center, Rakuwakai Otowa Hospital, Kyoto 607-8062, Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1508-6938","authenticated-orcid":false,"given":"Tatsuya","family":"Hayasaka","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology, Yamagata University School of Medicine, Yamagata 990-2331, Japan"}]},{"given":"Toshiyuki","family":"Kondo","sequence":"additional","affiliation":[{"name":"Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Yamagata 990-2331, Japan"}]},{"given":"Masayuki","family":"Hoshi","sequence":"additional","affiliation":[{"name":"Department of Physical Therapy, Fukushima Medical University School of Health Sciences, 10-6 Sakaemachi, Fukushima 960-8516, Japan"}]},{"given":"Shigeo","family":"Ueda","sequence":"additional","affiliation":[{"name":"Shin-Aikai Spine Center, Katano Hospital, Katano 576-0043, Japan"}]},{"given":"Yoshiyuki","family":"Kobayashi","sequence":"additional","affiliation":[{"name":"Human Augmentation Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa II Campus, University of Tokyo, Kashiwa 277-0882, Japan"}]},{"given":"Masatsune","family":"Ishikawa","sequence":"additional","affiliation":[{"name":"Normal Pressure Hydrocephalus Center, Rakuwakai Otowa Hospital, Kyoto 607-8062, Japan"},{"name":"Rakuwa Villa Ilios, Rakuwakai Healthcare System, Kyoto 607-8062, Japan"}]},{"given":"Shigenori","family":"Kanno","sequence":"additional","affiliation":[{"name":"Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai 980-8575, Japan"}]},{"given":"Kyoko","family":"Suzuki","sequence":"additional","affiliation":[{"name":"Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai 980-8575, Japan"}]},{"given":"Yukihiko","family":"Aoyagi","sequence":"additional","affiliation":[{"name":"Digital Standard Co., Ltd., Osaka 536-0013, Japan"}]},{"given":"Yasuyuki","family":"Ohta","sequence":"additional","affiliation":[{"name":"Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Yamagata 990-2331, Japan"}]}],"member":"1968","published-online":{"date-parts":[[2023,11,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1136\/jnnp.70.3.289","article-title":"Comparative analysis of the gait disorder of normal pressure hydrocephalus and Parkinson\u2019s disease","volume":"70","author":"Stolze","year":"2001","journal-title":"J. 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