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Surgical events such as retraction, resection, and gravitational sag often cause significant tissue movement that compromises the accuracy of neuronavigation systems that use a preoperative image display. Computational modeling has gained interest as a method for correcting registration errors that result from brain deformation by simulating surgical events and creating updated images. The success of simulating surgical events relies upon the application of surgical forces to a model of braindoi:10.1117/12.480217 dblp:conf/miigp/LamprichM03 fatcat:vmwljkvb2rcbvetaex7cs5fo7m