The differential diagnosis of parkinsonian disorders can be challenging, especially early in
the disease course. PET imaging with [ 18 F]-fluorodeoxyglucose (FDG) has been used to …

A growing body of preclinical evidence indicates that addiction to cocaine is associated with
neuroadaptive changes in frontostriatal brain systems. Human studies in cocaine-…

Attenuation correction is an essential requirement for quantification of positron emission
tomography (PET) data. In PET/CT acquisition systems, attenuation maps are derived from …

Background The effects that therapies for inflammatory bowel disease (IBD) have on immune
responses to SARS-CoV-2 vaccination are not yet fully known. Therefore, we sought to …

The fundamental challenge for designing transparent conductors used in photovoltaics,
displays and solid-state lighting is the ideal combination of high optical transparency and high …

Context There is consensus that autism spectrum disorder (ASD) is accompanied by differences
in neuroanatomy. However, the neural substrates of ASD during adulthood, as well as …

Previous studies suggest that horizontal reaching movements are planned vectorially with
independent specification of direction and extent. The transformation from visual to hand-…

Background Midlife hypertension confers increased risk for cognitive impairment in late life.
The sensitive period for risk exposure and extent that risk is mediated through amyloid or …

Background In functional magnetic resonance imaging, the brain's response to experimental
manipulation is almost always assumed to be independent of endogenous oscillations. To …

Alzheimer’s disease has a preclinical stage when cerebral amyloid-β deposition occurs before
symptoms emerge, and when amyloid-β-targeted therapies may have maximum benefits. …