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
Introducción: el índice de dificultad y el poder de discriminación son indicadores fáciles de calcular y útiles para el análisis de la correspondencia entre los resultados esperados y los obtenidos de un instrumento evaluativo.
Luis Ulpiano Pérez Marqués +5 more
doaj
Tropical Dry Forest Succession and the Contribution of Lianas to Wood Area Index (WAI) [PDF]
The transmission and interception of light through the canopy is an important indicator of forest productivity in tropical forest ecosystems, and the amount of light that eventually reaches the forest floor is influenced by its interactions with leaves ...
do Espirito-Santo, Mario Marcos +4 more
core +1 more source
A 73‐Year‐Old Man With Several Years of Difficulty Climbing Stairs and Frequent Tripping
ABSTRACT A 73‐year‐old man presented with progressive weakness and atrophy predominantly affecting the distal finger flexors and quadriceps muscles. Electrophysiological studies demonstrated mixed myogenic and neurogenic features. Muscle MRI showed inflammatory changes, and muscle biopsy revealed granulomatous myositis with histologic features ...
Mehmet Can Sari +3 more
wiley +1 more source
ABSTRACT Background Accessing brain magnetic resonance imaging (MRI) can be challenging, especially for underserved patients, which may lead to disparities in neurological diagnosis. Method This mixed‐methods study enrolled adults with one of four neurological disorders: mild cognitive impairment or dementia of the Alzheimer type, multiple sclerosis ...
Maya L. Mastick +19 more
wiley +1 more source
Effects of Direction and Index of Difficulty on Aiming Movements after Stroke
Background. Brain hemispheres play different roles in the control of aiming movements that are impaired after unilateral stroke. It is not clear whether those roles are influenced by the direction and the difficulty of the task. Objective.
Paola Ribeiro Coqueiro +3 more
doaj +1 more source
Item difficulty index, discrimination index, and reliability of the 26 health professions licensing examinations in 2022, Korea: a psychometric study. [PDF]
Kim YH, Kim BH, Kim J, Jung B, Bae S.
europepmc +1 more source
Regime Switching GARCH : An Application to Dowjones Index Return [PDF]
Since firstly proposed by Engle (1982) and Bollerslev (1986), ARCH-GARCH models have been used to describe volatility behaviors of time series, especially in stock market analysis.
Hadiyat, Mochammad Arbi +2 more
core
TBK1‐Associated Primary Lateral Sclerosis Followed by Right Temporal Variant Frontotemporal Dementia
ABSTRACT We report a 58‐year‐old woman with a novel splice‐site variant in the TANK‐binding kinase 1 (TBK1:c.993–2A>C p.Ala332TyrfsTer39) who sequentially developed primary lateral sclerosis (PLS) followed by right temporal variant frontotemporal dementia (rtvFTD). Neuroimaging demonstrated right anterior temporal atrophy before cognitive symptoms, and
Tomoyasu Matsubara +18 more
wiley +1 more source
Relations of the Number of Functioning Distractors With the Item Difficulty Index and the Item Discrimination Power in the Multiple Choice Questions. [PDF]
Chauhan GR +3 more
europepmc +1 more source

