Effects of Visual-Proprioceptive Cue Disparities on Arm Position Sensing During Movement Planning
Biomedical Engineering
Caleb Mark Selwyn
Abstract
This project investigates how the brain estimates arm position during movement planning when visual and proprioceptive information conflict. Using the KINARM robotic system, participants performed reaching tasks while visual feedback of hand position was systematically shifted in multiple directions and magnitudes. By analyzing movement biases, we reconstructed internal hand position estimates and showed that sensory weighting changes dynamically as the level of conflict increases.