scholarly journals Divided attention during adaptation to visual-motor rotation in an endoscopic surgery simulator

2003 ◽  
Author(s):  
Alison M. Tollner ◽  
Michael A. Riley ◽  
Gerald Matthews
2005 ◽  
Vol 7 (1) ◽  
pp. 6-13 ◽  
Author(s):  
Alison M. Tollner ◽  
Michael A. Riley ◽  
Gerald Matthews ◽  
Kevin D. Shockley

2004 ◽  
Author(s):  
Martina I. Klein ◽  
Joel. S Warm ◽  
Michael A. Riley ◽  
Gerald Matthews ◽  
Kelley S. Parsons

Author(s):  
Martina I. Klein ◽  
Michael A. Riley ◽  
Joel S. Warm ◽  
Gerald Matthews

Endoscopic surgery–a procedure wherein a target organ is displayed on a monitor and physicians use graspers to manipulate the tissue - has benefits for patients in terms of reduced blood loss, infection, and pain. However, physicians' informal reports indicate that this type of surgery is challenging to perform. These challenges arise from the need to view the target tissue on a monitor, resulting in reduced depth information as well as a disruption of the normal hand-eye mapping. This study represents the initial experimental effort to assess the workload demands experienced in an endoscopic surgery simulator using the NASA-Task Load Index (TLX), a well validated workload measure, and the Multiple Resource Questionnaire (MRQ), a newly developed workload scale. The TLX revealed that the workload experienced in the simulator was indeed high. Additionally, the MRQ revealed different workload profiles associated with different levels of handeye mapping disruption.


Author(s):  
Martina I. Klein ◽  
Joel S Warm ◽  
Michael A. Riley ◽  
Gerald Matthews ◽  
Kelley S. Parsons

Author(s):  
Martina I. Klein ◽  
Joel S. Warm ◽  
Michael A. Riley ◽  
Gerald Matthews ◽  
Krishnanath Gaitonde ◽  
...  

Author(s):  
Jose A. Macedo ◽  
David B. Kaber ◽  
Mica R. Endsley ◽  
Preecha Powanusorn ◽  
Seonwan Myung

Teleoperation is frequently performed with misalignments between operator or camera viewing direction and controller orientation. Examples of this occur in endoscopic surgery and in teleoperation with multiple camera views. The objective of this study was to find a method to automatically compensate for those misalignments so that human operators performing tasks under such scenarios could achieve levels of performance comparable to aligned conditions without additional training requirements. In this paper we report on a set of experiments conducted to test a method developed for that purpose. Participants were asked to track a randomly moving target on a computer display using a cursor controlled with a joystick. Performance was recorded under various visual-motor misalignments with and without automated compensation. Results indicated significant improvements in operator performance through use of automatic compensation only under certain types of misalignment. Actual or potential applications of this research include teleoperation and endoscopic surgery.


2016 ◽  
Vol 11 (12) ◽  
pp. 2303-2315 ◽  
Author(s):  
Przemyslaw Korzeniowski ◽  
Alastair Barrow ◽  
Mikael H. Sodergren ◽  
Niels Hald ◽  
Fernando Bello

2005 ◽  
Vol 16 (4) ◽  
pp. 235-242 ◽  
Author(s):  
Astrid von Bueren Jarchow ◽  
Bogdan P. Radanov ◽  
Lutz Jäncke

Abstract: The aim of the present study was to examine to what extent chronic pain has an impact on various attentional processes. To measure these attention processes a set of experimental standard tests of the “Testbatterie zur Aufmerksamkeitsprüfung” (TAP), a neuropsychological battery testing different levels of attention, were used: alertness, divided attention, covert attention, vigilance, visual search, and Go-NoGo tasks. 24 chronic outpatients and 24 well-matched healthy control subjects were tested. The control subjects were matched for age, gender, and education. The group of chronic pain patients exhibited marked deficiencies in all attentional functions except for the divided attention task. Thus, the data supports the notion that chronic pain negatively influences attention because pain patients` attention is strongly captivated by the internal pain stimuli. Only the more demanding divided attention task has the capability to distract the focus of attention to the pain stimuli. Therefore, the pain patients are capable of performing within normal limits. Based on these findings chronic pain patients' attentional deficits should be appropriately evaluated and considered for insurance and work related matters. The effect of a successful distraction away from the pain in the divided attention task can also open new therapeutic aspects.


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