Computer Simulation

291.

Using a sonographic simulator to assess residents before overnight call.

OBJECTIVE: The purpose of our study was to evaluate the effectiveness of a sonographic simulator in evaluating residents before their taking overnight call. MATERIALS AND METHODS: A sonographic simulator was used to teach and evaluate two consecutive ...
Wayne L Monsky, Deborah Levine, Tejas S Mehta, Robert A Kane, Amitai Ziv, Bernadette Kennedy, Harvey Nisenbaum (AJR Am J Roentgenol, 200201)
sonographic-simulator-assess-residents-overnight-call.asp

292.

Detection versus estimation in event-related fMRI: choosing the optimal stimulus timing.

With the advent of event-related paradigms in functional MRI, there has been interest in finding the optimal stimulus timing, especially when the interstimulus interval is varied during the imaging run. Previous works have proposed stimulus timings to ...
Rasmus M Birn, Robert W Cox, Peter A Bandettini (Neuroimage, 200201)
detection-versus-estimation-event-related-fmri-choosing-optimal.asp

293.

The Bifurcating Neuron Network 2: an analog associative memory.

The Bifurcating Neuron (BN), a chaotic integrate-and-fire neuron, is a model of a neuron augmented by coherent modulation from its environment. The BN is mathematically equivalent to the sine-circle map, and this equivalence relationship allowed us to ...
Geehyuk Lee, Nabil H Farhat (Neural Netw, 200201)
bifurcating-neuron-network-analog-associative-memory.asp

294.

Does training in a virtual reality simulator improve surgical performance?

BACKGROUND: The development of computerized surgical simulators in a virtual reality environment demands models for proper validation. Recent investigations have shown that a virtual reality simulator (MIST-VR) is a reliable tool for the assessment of ...
G Ahlberg, T Heikkinen, L Iselius, C-E Leijonmarck, J Rutqvist, D Arvidsson (Surg Endosc, 200201)
training-virtual-reality-simulator-improve-surgical-performance.asp

295.

Evaluation of structured and quantitative training methods for teaching intracorporeal knot tying.

BACKGROUND: We evaluated the effectiveness of five training methods-four structured and one unstructured-for teaching intracorporeal knot tying. METHODS: Forty-three graduate students without prior laparoscopic experience were randomly assigned to one of ...
A M Pearson, A G Gallagher, J C Rosser, R M Satava (Surg Endosc, 200201)
evaluation-structured-quantitative-training-methods-teaching.asp

296.

Modulation of network behaviour by changes in variance in interneuronal properties.

Interneurones are important regulators of neuronal networks. The conventional approach to interneurones is to focus on the mean values of various parameters. Here we tested the hypothesis that changes in the variance of interneuronal properties (e.g. in ...
I Aradi, I Soltesz (J Physiol, 200201)
modulation-network-behaviour-changes-variance-interneuronal-properties.asp

297.

Surgical simulation software for insertion of pedicle screws.

OBJECTIVE: As the first step toward finding noninvasive alternatives to the traditional methods of surgical training, we have developed a small, stand-alone computer program that simulates insertion of pedicle screws in different spinal vertebrae ...
Behzad Eftekhar, Mohammad Ghodsi, Ebrahim Ketabchi, Saman Rasaee (Neurosurgery, 200201)
surgical-simulation-software-insertion-pedicle-screws.asp

298.

Experiential learning in an anaesthesia simulation centre: analysis of students comments.

The anesthesia computer-controlled patient simulator offers a valuable experiential learning experience for undergraduate medical students. The purpose of this study was to gather students opinions of the simulator learning experiences and to study and ...
Doreen Cleave-Hogg, Pamela J Morgan (Med Teach, 200201)
experiential-learning-anaesthesia-simulation-centre-analysis-students.asp

299.

Modeling the role of salience in the allocation of overt visual attention.

A biologically motivated computational model of bottom-up visual selective attention was used to examine the degree to which stimulus salience guides the allocation of attention. Human eye movements were recorded while participants viewed a series of ...
Derrick Parkhurst, Klinton Law, Ernst Niebur (Vision Res, 200201)
modeling-role-salience-allocation-overt-visual-attention.asp

300.

Learning intravenous cannulation: a comparison of the conventional method and the CathSim Intravenous Training System.

Intravenous cannulation is a nursing procedure carried out in some clinical units that may induce trauma and discomfort. Nurses should be well prepared before practising the procedure with clients. Conventionally, a plastic arm was used for practice but, ...
Katherine Ka-Pik Chang, Joanne Wai-Yee Chung, Thomas Kwok-Sing Wong (J Clin Nurs, 200201)
learning-intravenous-cannulation-comparison-conventional-method.asp