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Real-Time Evaluation and Visualization of Learner Performance in a Mixed-Reality Environment for Clinical Breast Examination
July 2012 (vol. 18 no. 7)
pp. 1101-1114
D. S. Lind, Dept. of Surg., Med. Coll. of Georgia, Augusta, GA, USA
A. Kotranza, Dept. of Comput. & Inf. Sci. & Eng., Univ. of Florida, Gainesville, FL, USA
B. Lok, Dept. of Comput. & Inf. Sci. & Eng., Univ. of Florida, Gainesville, FL, USA
We investigate the efficacy of incorporating real-time feedback of user performance within mixed-reality environments (MREs) for training real-world tasks with tightly coupled cognitive and psychomotor components. This paper presents an approach to providing real-time evaluation and visual feedback of learner performance in an MRE for training clinical breast examination (CBE). In a user study of experienced and novice CBE practitioners (n = 69), novices receiving real-time feedback performed equivalently or better than more experienced practitioners in the completeness and correctness of the exam. A second user study (n = 8) followed novices through repeated practice of CBE in the MRE. Results indicate that skills improvement in the MRE transfers to the real-world task of CBE of human patients. This initial case study demonstrates the efficacy of MREs incorporating real-time feedback for training real-world cognitive-psychomotor tasks.

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Index Terms:
virtual reality,biomedical education,computer based training,data visualisation,medical computing,patient diagnosis,real-world cognitive-psychomotor tasks,real-time evaluation,learner performance visualization,mixed-reality environment,clinical breast examination,real-time user performance feedback,real-world tasks training,tightly coupled cognitive components,psychomotor components,visual feedback,MRE,human patients,Breast,Sensors,Real time systems,Visualization,Training,Data models,Humans,life and medical sciences.,Mixed and augmented reality,information visualization
Citation:
D. S. Lind, A. Kotranza, B. Lok, "Real-Time Evaluation and Visualization of Learner Performance in a Mixed-Reality Environment for Clinical Breast Examination," IEEE Transactions on Visualization and Computer Graphics, vol. 18, no. 7, pp. 1101-1114, July 2012, doi:10.1109/TVCG.2011.132
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