Výsledky vyhledávání - "Mark E. Wagshul"

Differential Associations of Mobility with Fronto-Striatal Integrity and Lesion Load in Older Adults with and without Multiple Sclerosis

Autor: Mark E. Wagshul, Frederick W. Foley, Kapil Chaudhary, Michael L. Lipton, Robert W. Motl, Meltem Izzetoglu, Manuel E. Hernandez, Mary Ann Picone, Roee Holtzer

Publikováno v: Neurorehabil Neural Repair

Background Mobility impairment is common in older persons with multiple sclerosis (MS), and further compounded by general age-related mobility decline but its underlying brain substrates are poorly understood. Objective Examine fronto-striatal white

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14d2beb4d08ec44b36e4c0f1d5b59251
https://europepmc.org/articles/PMC10251307/

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Upper airway effective compliance during wakefulness and sleep in obese adolescents studied via two-dimensional dynamic MRI and semiautomated image segmentation

Autor: Jayaram K. Udupa, David M. Wootton, Sanghun Sin, Yubing Tong, K.R. Choy, Mark E. Wagshul, Dirk M. Luchtenburg, Raanan Arens

Publikováno v: J Appl Physiol (1985)

Novel biomarkers of upper airway biomechanics may improve diagnosis of obstructive sleep apnea syndrome (OSAS). Upper airway effective compliance (EC), the slope of cross-sectional area versus pressure estimated using computational fluid dynamics (CF

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62db01c51a9c22bf9e6895dbbb5e6fa5
https://doi.org/10.1152/japplphysiol.00839.2020

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Automatic upper airway segmentation in static and dynamic MRI via anatomy-guided convolutional neural networks

Autor: Raanan Arens, Zihan Huang, Jayaram K. Udupa, Lipeng Xie, K.R. Choy, Yubing Tong, David M. Wootton, Mark E. Wagshul, Sanghun Sin, Rachel M. Kogan, Drew A. Torigian

Publikováno v: Medical Physics, 49(1), 324-342. WILEY

Purpose Upper airway segmentation on MR images is a prerequisite step for quantitatively studying the anatomical structure and function of the upper airway and surrounding tissues. However, the complex variability of intensity and shape of anatomical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae13a6956a6149dc624c1e8e027ad550
https://hdl.handle.net/1887/3570770

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Altered cortical structure network in children with obstructive sleep apnea

Autor: Min-Hee Lee, Sanghun Sin, Seonjoo Lee, Hyunbin Park, Mark E Wagshul, Molly E Zimmerman, Raanan Arens

Publikováno v: Sleep

Study Objectives Obstructive sleep apnea (OSA) is characterized by recurrent airway collapse during sleep, resulting in intermittent hypoxia and sleep fragmentation that may contribute to alternations in brain structure and function. We hypothesized

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6196e14ec4bc5b70fc7f07e23d62189
https://pubmed.ncbi.nlm.nih.gov/35554580

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Cognitive Reserve Moderates the Efficiency of Prefrontal Cortex Activation Patterns of Gait in Older Adults

Autor: Daliah Ross, Mark E. Wagshul, Meltem Izzetoglu, Catherine O’Brien, Roee Holtzer

Publikováno v: J Gerontol A Biol Sci Med Sci

Background Cognitive reserve (CR) protects against cognitive decline, but whether CR influences the efficiency of cortical control of gait has not been reported. The current study addressed this important gap in the literature. Specifically, we deter

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdc766d4e5c2431bfac945ba0a1389ff
https://pubmed.ncbi.nlm.nih.gov/34606598

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Automatic upper airway segmentation in static and dynamic MRI via deep convolutional neural networks

Autor: Mark E. Wagshul, Zihan Huang, Kokren Choy, Drew A. Torigian, Rachel M. Kogan, Jayaram K. Udupa, Lipeng Xie, Raanan Arens, David M. Wootton, Yubing Tong, Jennifer Ben Nathan, Sanghun Sin

Publikováno v: Medical Imaging 2021: Biomedical Applications in Molecular, Structural, and Functional Imaging.

Upper airway segmentation in static and dynamic MRI is a prerequisite step for quantitative analysis in patients with disorders such as obstructive sleep apnea. Recently, some semi-automatic methods have been proposed with high segmentation accuracy.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::179e12cd128f1fd5e16831d15872c047
https://doi.org/10.1117/12.2581974

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