Results 61 to 70 of about 94,811 (302)

Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore the relationship between dopaminergic denervation and motor impairment in two de novo Parkinson's disease (PD) cohorts. Methods n = 249 PD patients from Parkinson's Progression Markers Initiative (PPMI) and n = 84 from an external clinical cohort.
Rachele Malito   +14 more
wiley   +1 more source

Elevation, slope, aspect, and vegetation classes for 1972 and 2012

open access: yes, 2017
Three sub-areas covering a total projected area of about 14 ha in the western Chugach Mountains of southcentral Alaska were digitized and attributed by vegetation class for 1972 and 2012 from a series of orthophotos.
Patrick F. Sullivan (143608)   +6 more
core   +1 more source

Distribution of Frost Damages in Siberian Spruce (Picea Obovata Ledeb.) on the Two Different Slope Aspects at the Upper Tree Line Ecotone of the Southern Urals [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2011
The analysis of extreme weather events provides an opportunity to study the microclimate characteristics on different slope aspects of the mountains. About 540 samples of wood of Siberian spruce (Picea obovata Ledeb.) on the north-eastern faced slope and
Marina A. Gurskaya, Pavel A. Moiseev
doaj  

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang   +10 more
wiley   +1 more source

The river wear valley between Durham city and Chester le Street: the potential for an increase in visitor use [PDF]

open access: yes, 1998
The study considers the feasibility, desirability and potential means of promoting an increase in visitor use of the River Wear valley between Durham City and Chester-le- Street, both as a means of reducing visitor pressure on the historic centre of ...
Smart, Graeme
core  

Slope Aspect Differentiation of Pisha Sandstone Slide Erosion and Its Response to Meteorological Factors [PDF]

open access: yes
[Objective] As a typical mode of gravity erosion in the Pisha sandstone area, debris sliding has become a significant source of coarse sand material within gullies, seriously threatening the ecological security of the basin.
ZHANG Yu   +4 more
core   +1 more source

Probabilistic aspects of slope stability

open access: yes, 2012
published_or_final_version ; Civil Engineering ; Master ; Master of ...
openaire   +2 more sources

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende   +26 more
wiley   +1 more source

Fluid Biomarkers of Disease Burden and Cognitive Dysfunction in Progressive Supranuclear Palsy

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Identifying objective biomarkers for progressive supranuclear palsy (PSP) is crucial to improving diagnosis and establishing clinical trial and treatment endpoints. This study evaluated fluid biomarkers in PSP versus controls and their associations with regional 18F‐PI‐2620 tau‐PET, clinical, and cognitive outcomes.
Roxane Dilcher   +10 more
wiley   +1 more source

Gridded results of slope aspect of swath bathymetric mapping of Disko Bay, Western Greenland, 2007-2008

open access: yes, 2011
Gridded results of slope aspect of swath bathymetric mapping of Disko Bay, Western Greenland, 2007 ...
Völker, David   +5 more
core   +1 more source

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