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Effects of 2D and 3D image views on hand movement trajectories in the surgeon's peri-personal space in a computer controlled simulator environment

Abstract : In image-guided surgical tasks, the precision and timing of hand movements depend on the effectiveness of visual cues relative to specific target areas in the surgeons peri-personal space. Two-dimensional (2D) image views of real-world movements are known to negatively affect both constrained (with tool) and unconstrained(no tool) hand movements compared with direct action viewing. Task conditions where virtual 3D would generate and advantage for surgical eye-hand coordination are unclear. Here, we compared effects of 2D and 3D image views on the precision and timing of surgical hand movement trajectories in a simulator environment. Eight novices had to pick and place a small cube on target areas across different trajectory segments in the surgeons peri-personal space, with the dominant hand, with and without a tool, under conditions of: (1) direct (2) 2D fisheye camera and (3) virtual 3D viewing (headmounted). Significant effects of the location of trajectories in the surgeons peri-personal space on movement times and precision were found. Subjects were faster and more precise across specific target locations, depending on the viewing modality.
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https://hal.archives-ouvertes.fr/hal-02166323
Contributor : Birgitta Dresp <>
Submitted on : Wednesday, April 7, 2021 - 11:05:36 PM
Last modification on : Thursday, April 8, 2021 - 12:41:54 PM

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A. U. Batmaz, Michel de Mathelin, Birgitta Dresp. Effects of 2D and 3D image views on hand movement trajectories in the surgeon's peri-personal space in a computer controlled simulator environment. Cogent Medicine, 2018, 5 (1426232), ⟨10.1080/2331205X.2018.1426232⟩. ⟨hal-02166323⟩

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