Effects of healthy aging on tongue-jaw kinematics during feeding behavior in rhesus macaques.

ABSTRACT: Several age-related oral health problems have been associated with neurodegenerative diseases such as Alzheimer's Disease (AD), yet how oromotor dysfunction in healthy aging differ from those found in pathological aging is still unknown. This is partly because changes in the cortical and biomechanical ("neuromechanical") control of oromotor behavior in healthy aging are poorly understood. To this end, we investigated the natural feeding behavior of young and aged rhesus macaques (Macaca mulatta) to understand the age-related differences in tongue and jaw kinematics. We tracked tongue and jaw movements in 3D using high-resolution biplanar videoradiography and X-ray Reconstruction of Moving Morphology (XROMM). Older subjects exhibited a reduced stereotypy in tongue movements during ch

SUBMITTER: Punacha S 

PROVIDER: S-EPMC11312521 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature