Deep within the brainstem is a tiny group of nerve cells that plays an outsized role in how the brain functions. This region, called the locus coeruleus (LC), gets its name from the Latin words for "blue place."...
Alzheimer's disease (AD) causes gradual cognitive decline and dementia.
Until recently, the definitive diagnosis of AD was based on autopsy assessments of brain amyloid-β plaques and tau neurofibrillary tangles, the defining biological features of AD. Biomarkers of amyloid-β and...