BackgroundThe prevalence of cognitive impairment among older adults remains high. It has been proven that social integration is related to cognitive function. However, limited research has examined the association of social integration and its different dimensions with cognitive function trajectories of older adults.MethodsThe data were from the China Health and Retirement Longitudinal Study (CHARLS) spanning […]

BackgroundAmyloid beta (Aβ) plaque density was examined in the amygdala of rhesus macaques, to elucidate the influence of age, diet and hormonal environment.MethodsLuminex technology was used to measure cerebrospinal fluid (CSF) concentrations of Aβ40 and Aβ42 across three decades, while immunohistochemistry was used to examine Aβ plaque density in the amygdala.ResultsAβ40 was found to be […]

PurposeRapid eye movement sleep behavior disorder (RBD) affects 30%–40% of patients with Parkinson’s disease (PD) and has been linked to a higher risk of cognitive impairment, especially executive dysfunction. The aim of this study was to investigate the brain activation patterns in PD patients with RBD (PD-RBD+) compared to those without RBD (PD-RBD−) and healthy […]