Computer Simulation

211.

Operations research methods applied to workflow in a medical records department.

Transcribing medical documents accurately into pre-defined formats and within certain time frames is vital for administrative and medical purposes in any hospital. This paper describes quantitative models incorporating available data to represent ...
S Y Edna Chan, Jeff Ohlmann, Steven Dunbar, Charlene Dunbar, Sarah Ryan, Paul Savory (Health Care Manag Sci, 200208)
operations-research-methods-applied-workflow-medical-records.asp

212.

A framework for operational modelling of hospital resources.

The provision of hospital resources, such as beds, operating theatres and nurses, is a matter of considerable public and political concern and has been the subject of widespread debate [1,2,31. The political element of healthcare emphasises the need for ...
Paul R Harper (Health Care Manag Sci, 200208)
framework-operational-modelling-hospital-resources.asp

213.

Adaptive elastic segmentation of brain MRI via shape-model-guided evolutionary programming.

This paper presents a fully automated segmentation method for medical images. The goal is to localize and parameterize a variety of types of structure in these images for subsequent quantitative analysis. We propose a new hybrid strategy that combines a ...
Alain Pitiot, Arthur W Toga, Paul M Thompson (IEEE Trans Med Imaging, 200208)
adaptive-elastic-segmentation-brain-mri-via-shape-model-guided.asp

214.

Components of disparity vergence eye movements: application of independent component analysis.

The "dual mode" theory for the control of disparity vergence eye movements states that two control components, a preprogrammed "transient" component and a feedback-controlled "sustained" component, mediate the motor response. Although prior experimental ...
John L Semmlow, Weihong Yuan (IEEE Trans Biomed Eng, 200208)
components-disparity-vergence-eye-movements-application-independent.asp

215.

Understanding muscle coordination of the human leg with dynamical simulations.

Muscles coordinate multijoint motion by generating forces that cause reaction forces throughout the body. Thus, a muscle can redistribute existing segmental energy by accelerating some segments and decelerating others. In the process, a muscle may also ...
Felix E Zajac (J Biomech, 200208)
understanding-muscle-coordination-human-leg-dynamical-simulations.asp

216.

Robotics, telesurgery and telementoring--their position in modern urological laparoscopy.

OBJECTIVES: Laparoscopic surgery in general is handicapped by the reduction of the range of motion from six to four degrees of freedom. This has a major impact on technically difficult procedures such as laparoscopic radical prostatectomy. Solutions for ...
Jens Rassweiler, Thomas Frede (Arch Esp Urol, 200207-08)
robotics-telesurgery-telementoring-position-modern-urological.asp

217.

Virtual reality simulation of arthroscopy of the knee.

The virtual reality arthroscopic knee simulator (VR-AKS) consists of a computer platform, a video display, and two force-feedback (haptic) interfaces known as "PHANToMs" that also monitor the position of the instruments in the users hands. The forces ...
Jay D Mabrey, Scott D Gillogly, James R Kasser, Howard J Sweeney, Bertram Zarins, Howard Mevis, William E Garrett, Robert Poss, W Dilworth Cannon (Arthroscopy, 200207-08)
virtual-reality-simulation-arthroscopy-knee.asp

218.

Evaluation of a virtual reality simulator for arthroscopy skills development.

We evaluated a virtual reality shoulder arthroscopy simulator using a standardized skills-assessment algorithm in 3 specific groups with various degrees of surgical expertise. The simulator (Mentice Corp, Gothenberg, Sweden) consists of a computer-based, ...
Robert A Pedowitz, James Esch, Steve Snyder (Arthroscopy, 200207-08)
evaluation-virtual-reality-simulator-arthroscopy-skills-development.asp

219.

Motor-unit synchronization alters spike-triggered average force in simulated contractions.

The purpose of the study was to quantify the effect of motor-unit synchronization on the spike-triggered average forces of a population of motor units. Muscle force was simulated by defining mechanical and activation characteristics of the motor units, ...
Anna M Taylor, Julie W Steege, Roger M Enoka (J Neurophysiol, 200207)
motor-unit-synchronization-alters-spike-triggered-average-force.asp

220.

Visual features of intermediate complexity and their use in classification.

The human visual system analyzes shapes and objects in a series of stages in which stimulus features of increasing complexity are extracted and analyzed. The first stages use simple local features, and the image is subsequently represented in terms of ...
Shimon Ullman, Michel Vidal-Naquet, Erez Sali (Nat Neurosci, 200207)
visual-features-intermediate-complexity-classification.asp