Results 81 to 90 of about 137,229 (305)
Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease
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
Market Orientation, Customer Selectivity and Firm Performance [PDF]
Market orientation is a well-known construct in the marketing literature. One reason for the extensive research on market orientation is that it is seen as the operationalization of the marketing concept itself.
Khan, Aamir
core
Curvature and orientation estimation by neuronal structures [PDF]
It is presented a simple model of curvature and orientation estimation by neuronal networks where a pair of neurons is used to approximate the partial differential operators needed for curvature and orientation estimation.
Da Fontoura Costa, Luciano +2 more
core +1 more source
Time-growing navigation error due to inevitable measurement errors in the MEMS-grade inertial sensor is one of the main challenges in low-cost inertial navigation systems (INSs).
Ebrahim Alizadeh +3 more
doaj
Orientation estimation for instrumented helmet using neural networks
This work presents an integrated solution for head orientation estimation, which is a critical component for applications of virtual and augmented reality systems.
Muhammad Hamad Zaheer +2 more
doaj +1 more source
ABSTRACT Objective To explore how cerebral hypoxia and Normal‐Appearing White Matter (NAWM) integrity affect MS lesion burden and clinical course. Methods Seventy‐nine MS patients, including 13 clinically isolated syndrome (CIS) patients and 66 relapsing–remitting multiple sclerosis (RRMS) patients, and 44 healthy controls (HCs) were recruited from ...
Xinli Wang +8 more
wiley +1 more source
Wireless Device Orientation Estimation [PDF]
Estimation of wireless device location (localization) has been studied extensively for its usefulness in network infrastructures. However, the related issue of determining device orientation has received less attention.
Heidtke, Derek W
core
Rotation Equivariant Orientation Estimation for Omnidirectional Localization [PDF]
Deep learning based 6-degree-of-freedom (6-DoF) direct camera pose estimation is highly efficient at test time and can achieve accurate results in challenging, weakly textured environments. Typically, however, it requires large amounts of training images,
Liwicki, S +4 more
core
CSF Monoamine Metabolites and Cognitive Trajectory in Early Parkinson's Disease
ABSTRACT Background Imaging and postmortem studies indicate that abnormalities in monoaminergic neurotransmission contribute to cognitive impairment in Parkinson's disease (PD). However, it remains uncertain if cerebrospinal fluid (CSF) monoamine metabolites can serve as biomarkers of cognitive decline in early PD.
Jing‐Yu Shao +7 more
wiley +1 more source
RNA Sequencing Resolves Cryptic Pathogenic Variants in Mitochondrial Disease
ABSTRACT Objective Mitochondrial diseases are the most common inherited metabolic disorders, characterized by pronounced clinical and genetic heterogeneity that complicates molecular diagnosis. Although DNA‐based sequencing approaches have become standard in genetic testing, up to half of patients remain without a definitive diagnosis.
Zhimei Liu +21 more
wiley +1 more source

