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About

Zachary C. Thumser is a leading researcher in neurorobotics and neural-machine interfaces, with a focus on restoring natural sensation and motor control for bionic prosthetic limbs. His work bridges the gap between intuitive movement and sensory feedback—specifically touch and kinesthesia—to create prostheses that feel like a natural part of the body. Thumser’s most cited paper (201 citations) demonstrates that illusory movement perception can improve motor control for prosthetic hands, revealing how the brain uses nonconscious kinesthetic feedback to correct movement errors. He further advanced the field by showing that integrating touch, grip kinesthesia, and intuitive control in bionic limbs promotes intrinsic brain behaviors (125 citations). His long-term home-use study (69 citations) proved that sensory-motor-integrated prostheses drive functional, perceptual, and cognitive changes, while his work on implicit grasp force representation (27 citations) informs brain-computer interface design. Thumser also developed a framework to characterize the sense of agency over prosthetic actions (9 citations), a key psychological factor for user acceptance. His research has profound implications for amputees, offering pathways to more embodied, effective bionic limbs that restore not just movement, but the rich sensory experience of having a hand.