NeuroPsy InfoHub adună studii și articole verificate editorial despre sănătate mintală și afecțiuni neurologice — pentru pacienți, familii și specialiști.
CADASIL is a hereditary condition affecting small blood vessels in the brain, causing recurrent strokes and progressive cognitive decline leading to early-onset dementia. Researchers are using zebrafish as a model organism to better understand the disease mechanisms and develop potential treatments.
Research indicates that specific variants of the AQP4 gene interact with poor sleep patterns to accelerate grey matter loss and cognitive decline. This represents a gene-environment interaction where modifiable sleep behavior may influence the expression of genetic risk for Alzheimer's disease.
This preclinical study demonstrates that D-chiro-inositol, a natural compound with insulin-mimetic properties, reduces amyloid-beta production and promotes neuroprotection in cultured neurons and transgenic mouse models of Alzheimer's disease. The compound enhances insulin receptor signaling, modulates tau-related kinase activity, and shifts immune responses in the brain toward less inflammatory states, suggesting potential therapeutic mechanisms worth further investigation.
This systematic review examines whether reduced awareness of cognitive decline in individuals with mild cognitive impairment (MCI) serves as a predictor of conversion to Alzheimer's disease or dementia. The study synthesized evidence from 11 peer-reviewed longitudinal studies across major databases to clarify whether diminished insight into cognitive abilities in early stages could identify at-risk individuals who need timely intervention.
Speech-based digital markers offer a scalable, non-invasive approach to predicting cognitive decline and complementing blood biomarkers in Alzheimer's disease, though large multilingual longitudinal datasets are lacking. The SpeechDx study is a 3-year multinational observational research program (n=2006) designed to develop and validate speech-based tools for early risk assessment and personalized intervention in preclinical populations.
