Results 61 to 70 of about 13,111 (148)

AI‐enhanced Centiloid quantification of amyloid PET images

Alzheimer's &Dementia, Volume 22, Issue 2, February 2026.
Abstract INTRODUCTION The Centiloid scale is the standard for amyloid (Aβ) PET quantification in research and clinical settings. However, variability between tracers and scanners remains a challenge. METHODS This study introduces DeepSUVR, a deep learning method to correct Centiloid quantification, by penalizing implausible longitudinal trajectories ...
Pierrick Bourgeat, Jurgen Fripp, Leo Lebrat, Ying Xia, Azadeh Feizpour, Timothy Cox, Georgios Zisis, Ashley Gillman, Manu S. Goyal, Duygu Tosun, Tammie LS. Benzinger, Pamela LaMontagne, Michael Breakspear, Michelle K. Lupton, Cathy Short, Robert Adam, Joanne S. Robertson, Reisa Sperling, Sid E. O'Bryant, Sterling C. Johnson, Clifford R. Jack Jr, Christopher G. Schwarz, Frederik Barkhof, Gill Farrar, Ariane Bollack, Lyduine E. Collij, Susan Landau, Robert Koeppe, for the Alzheimer's Disease Neuroimaging Initiative, OASIS3, the A4/LEARN Study Team, the AMYPAD consortium, The Health and Aging Brain Study (HABS‐HD) Study Team, Mayo Clinic Study of Aging, WRAP, ADNI‐DOD, PISA, ADNeT, the AIBL research group, John C. Morris, Michael W. Weiner, Victor L. Villemagne, Colin L. Masters, Christopher C. Rowe, Vincent Dore   +44 more
wiley   +1 more source

Change of direction and Repeated Sprint Ability with and without ball performance in young soccer players: a comparison across different age-categories [PDF]

PeerJ
Background This study aimed to investigate age-related differences in anthropometric characteristics, change of direction (COD) and repeated sprint ability (RSA) performance, with and without ball control, in elite soccer players from U17, U19, and U23 ...
Mehdi Ben Brahim, Farjana Akter Boby, Ariadna Hernaiz-Sánchez, Hussain Yasin, Alejandro Sal-de-Rellán   +4 more
doaj   +2 more sources

Youth International Experience Is a Limited Predictor of Senior Success in Football: The Relationship Between U17, U19, and U21 Experience and Senior Elite Participation Across Nations and Playing Positions

Frontiers in Sports and Active Living, 2022
Athlete participation in youth international competitions is often regarded as crucial to the attainment of future success. However, the link between participation and performance in sports at youth levels and senior levels is unclear at best.
Henrik Herrebrøden, Henrik Herrebrøden, Christian Thue Bjørndal, Christian Thue Bjørndal   +3 more
doaj   +1 more source

Soundness of Unravelings for Conditional Term Rewriting Systems via Ultra-Properties Related to Linearity [PDF]

, 2011
Unravelings are transformations from a conditional term rewriting system (CTRS, for short) over an original signature into an unconditional term rewriting systems (TRS, for short) over an extended signature. They are not sound w.r.t.
A. Middeldorp and E. Hamoen, Aart Middeldorp, E. Ohlebusch, F. Schernammer and B. Gramlichh, J. A. Bergstra and J. W. Klop, Masahiko Sakai, N. Dershowitz and M. Okada, Naoki Nishida, P. Viry, S. Kaplan, S. Lucas, S. Lucas, C. Marché, and J. Meseguer, Toshiki Sakabe   +12 more
core   +3 more sources

Physical and physiological profile of U18, U19, U21 and senior elite netball players

South African Journal of Sports Medicine, 2020
Background: Physical and physiological profile data for elite netball players in South Africa and internationally are limited but are necessary for conditioning programme information. Objective: To determine the physical and physiological profiles of U18, U19, U21 and senior level elite netball players at provincial ...
Sinclair, CJ, Coetzee, F, Schall, R
openaire   +4 more sources

Association between Human Leukocyte Antigen Alleles and Neuropathological Outcomes in Lewy Body Disease

Annals of Neurology, Volume 99, Issue 2, Page 492-501, February 2026.
Objective Lewy body disease (LBD) is a complex neurodegenerative disorder characterized by the accumulation of misfolded α‐synuclein in the brain. Neuroinflammation has long been implicated in LBD pathogenesis, and recent genetic studies in Parkinson's disease (a clinical manifestation of LBD) have shown consistent association with the human leukocyte ...
Marios Gavrielatos, Michael G. Heckman, Alexandra I. Soto‐Beasley, Sophia G. Blumenfeld, Xu Hou, Shunsuke Koga, Melissa E. Murray, Koji Kasanuki, Daisuke Ono, Fabienne C. Fiesel, Ryan J. Uitti, Julie A. Fields, Hugo Botha, Vijay K. Ramanan, Kejal Kantarci, Val J. Lowe, Clifford R. Jack, Nilufer Ertekin‐Taner, J. Raphael Gibbs, Bryan J. Traynor, Clifton L. Dalgard, Rodolfo Savica, Jonathan Graff‐Radford, Ronald C. Petersen, R. Ross Reichard, Neill R. Graff‐Radford, Tanis J. Ferman, Bradley F. Boeve, Zbigniew K. Wszolek, Wolfdieter Springer, Ziv Gan‐Or, Emmanuel Mignot, Sonja W. Scholz, Dennis W. Dickson, Owen A. Ross   +34 more
wiley   +1 more source

CALL: Prix Ars Electronica u19 – create your world

Medienimpulse, 2019
Der Wettbewerb für junge Neu-, Quer- und WeiterdenkerInnen. Für alle Young Creatives (0 – 14 Jahre) und Young Professionals (14 – 19 Jahre) in Österreich: Ab sofort kann ganzjährig eingereicht werden!
Katharina Kaiser-Müller
doaj  

Astrocyte Regulation of Spinal Circuit Function

Journal of Neurochemistry, Volume 170, Issue 2, February 2026.
Spinal cord astrocytes exist as an additional component of the computational framework that governs both sensory perceptions and motor outputs (left). By integrating local synaptic activity together with signals that reflect whole‐body state (e.g., neuromodulators, immune signals, and vascular signals) into defined input states (Sn), astrocytes adapt ...
Mary Kaye Duff, Min Jun Li, Axel Nimmerjahn   +2 more
wiley   +1 more source

Career trajectories, transition rates, and birthdate distributions: the rocky road from youth to senior level in men's European football

Frontiers in Sports and Active Living
This study aimed to assess youth-to-senior transition rates, quantify the magnitude of relative age effect (RAEs), and evaluate how RAEs affect these transitions in 9,527 men's national football players of England, France, Germany, Italy, and Spain ...
Paolo Riccardo Brustio, Paolo Riccardo Brustio, Alexander B. T. McAuley, Alexandru Nicolae Ungureanu, Adam Leigh Kelly   +4 more
doaj   +1 more source

Body Composition Evaluation Issue among Young Elite Football Players: DXA Assessment

Sports, 2017
Accurate assessment of body composition is an important issue among athletes. Different methodologies generate controversial results, leading to a deep uncertainty on individual exercise prescriptions.
César Leão, Mário Simões, Bruno Silva, Filipe Manuel Clemente, Pedro Bezerra, Miguel Camões   +5 more
doaj   +1 more source