Mozart's rhythm influence on Alzheimer's disease progression via modulation of pathological damage and cognition.

Rhythm perception is considered a conserved trait across species, and musical rhythm exposure (MRE) has been demonstrated to enhance cognitive functions in healthy individuals. Alzheimer's disease (AD), characterized by cognitive decline and pathological degeneration, may potentially be delayed by MRE. In this study, the APP/PS1 AD mouse model was exposed to Mozart's K.448 rhythm for six months, with APP/PS1 and wild-type C57BL/6J mice serving as controls. The Morris water maze test was employed to assess the impact of MRE on spatial learning and memory. Pathological damage was evaluated through amyloid-beta and phosphorylated tau levels. Additionally, hippocampal microglia activation, inflammatory markers, and gut microbiota composition were analyzed. The study revealed that MRE improves cognitive function, reduces amyloid plaque accumulation, suppresses microglial activation and neuroinflammation, and modulates gut microbiota composition. This suggests that MRE offers a promising non-pharmacological approach to slowing cognitive decline and pathological damage in AD.