Visual and tactile information about object-curvature control fingertip forces and grasp kinematics in human dexterous manipulation.


Most objects that we manipulate have curved surfaces. We have analyzed how subjects during a prototypical manipulatory task use visual and tactile sensory information for adapting fingertip actions to changes in object curvature. Subjects grasped an elongated object at one end using a precision grip and lifted it while instructed to keep it level. The… (More)

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