scholarly journals Assessing the quality of supplementary sensory feedback using a crossmodal congruency task

2017 ◽  
Author(s):  
Daniel Blustein ◽  
Adam Wilson ◽  
Jon Sensinger
Keyword(s):  
Sensory Feedback ◽  
Spatial Separation ◽  
Feedback System ◽  
Feedback Systems ◽  
Prosthetic Limbs ◽  
Extended Training ◽  
And Training ◽  
Crossmodal Congruency Effect ◽  
Crossmodal Congruency

AbstractPeripheral nerve interfaces show promise in making prosthetic limbs more biomimetic and ultimately more intuitive and useful for patients. However, approaches to assess these emerging technologies are limited in their scope and the insight they provide. When outfitting a prosthesis with a new feedback system it would be helpful to quantify its physiological correspondence, i.e. how well the experimental feedback mimics the perceived feedback in an intact limb. Here we present an approach to quantify physiological correspondence using a modified crossmodal congruency task. We trained 60 able-bodied subjects to control a bypass prosthesis under different feedback conditions and training durations. We find that the crossmodal congruency effect (CCE) score is sensitive to changes in feedback modality (multi-way ANOVA; F(2,48) = 6.02, p<0.05). After extended training, the CCE score increased as the spatial separation between expected and perceived feedback decreased (unpaired t-test, p<0.05). We present a model that can quantitatively estimate physiological correspondence given the CCE result and the measured spatial separation of the feedback. This quantification approach gives researchers a tool to assess an aspect of emerging augmented feedback systems that is not measurable with current motor assessments.

Sensory feedback add-on for upper-limb prostheses

2016 ◽  
Vol 41 (3) ◽  
pp. 314-317 ◽  
Author(s):  
Nader Fallahian ◽  
Hassan Saeedi ◽  
Hamidreza Mokhtarinia ◽  
Farhad Tabatabai Ghomshe
Keyword(s):  
Upper Limb ◽  
Sensory Feedback ◽  
Feedback System ◽  
Technical Note ◽  
High Tech ◽  
Feedback Systems ◽  
Myoelectric Prosthesis ◽  
Upper Limb Prostheses ◽  
Direct Feedback ◽  
A Current

Background and aim:Sensory feedback systems have been of great interest in upper-limb prosthetics. Despite tremendous research, there are no commercial modality-matched feedback systems. This article aims to introduce the first detachable and feedback add-on option that can be attached to in-use prostheses.Technique:A sensory feedback system was tested on a below-elbow myoelectric prosthesis. The aim was to have the amputee grasp fragile objects without crushing while other accidental feedback sources were blocked.Discussion:A total of 8 successful trials (out of 10) showed that sensory feedback system decreased the amputee’s visual dependency by improving awareness of his prosthesis. Sensory feedback system can be used either as post-fabrication (prosthetic add-on option) or para-fabrication (incorporated into prosthetic design). The use of these direct feedback systems can be explored with a current prosthesis before ordering new high-tech prosthesis.Clinical relevanceThis technical note introduces the first attach/detach-able sensory feedback system that can simply be added to in-use (myo)electric prosthesis, with no obligation to change prosthesis design or components.

Abstract 275: Automated External Defibrillator with Real-Time Audiovisual Feedback System Improves the Quality of Cardiopulmonary Resuscitation

Circulation ◽  
2014 ◽  
Vol 130 (suppl_2) ◽  
Author(s):  
Kenji Hayashi ◽  
Hiroaki Ushikoshi ◽  
Naoki Matsumaru ◽  
Sho Nachi ◽  
Hikaru Nachi ◽  
...  
Keyword(s):  
Cardiac Arrest ◽  
Medical Students ◽  
Cardiopulmonary Resuscitation ◽  
Real Time ◽  
Healthcare Professionals ◽  
Feedback System ◽  
Automated External Defibrillator ◽  
Feedback Systems ◽  
External Defibrillator

Background: Public access defibrillation (PAD) with automated external defibrillator (AED) is a widely available and beneficial intervention for cardiac arrest. The quality of chest compressions (CC) is an important determinant of the outcome of cardiopulmonary resuscitation (CPR). In Japan, AED with real-time audiovisual feedback is being implemented, and has been available to bystanders since 2011. However, the benefit of CC feedback systems for laypersons remains unclear. In this study, we sought to determine the effects of audiovisual feedback system on the quality of CC in bystanders with different medical backgrounds. Methods: A total of 478 individuals (151 healthcare professionals [mean age, 31.3 years], 76 medical students [mean age, 23.6 years], and 251 non-healthcare professionals [mean age, 40.1 years]) participated in a CPR quality improvement challenge. Participants performed two 2-min trials of CC on a training manikin equipped with an accelerometer-based system for measuring both rate and depth of CC. Real-time audiovisual feedback was disabled during first trial, but activated during the second trial. The quality of CC was evaluated by counting the number of compressions with the appropriate depth (5.0-10 cm) and rate (100-120 cpm) in each trial. Results: Among all participants, mean depth of CC was higher (6.35 vs. 5.87 cm), and mean rate was lower (102.4 vs. 112.2 cpm) when the feedback system was activated than when it was disabled (p < 0.05). When real-time feedback was activated, non-healthcare professional participants performed CC of greater depth (6.41 vs. 5.63 cm) than healthcare professionals (6.25 vs. 6.09 cm) and medical students (6.34 vs. 6.19 cm) (p < 0.05). The quality index of CC, which the percentage of adequate depth and rate, was also significantly improved regardless medical backgrounds (p < 0.05). Conclusions: The use of real-time CPR feedback systems improves the quality of CC performed by individuals of all backgrounds, especially non-healthcare personnel. PAD with AED providing CPR feedback technologies may elevate the survival rate of out-of-hospital cardiac arrest and increase the likelihood of favorable outcomes.

scholarly journals Feedback-based Learning Through Online Feedback Systems in Higher Education

2017 ◽  
Author(s):  
Paula Figas ◽  
Alexander Bartel ◽  
Georg Hagel
Keyword(s):  
Applied Sciences ◽  
Higher Education ◽  
Teaching And Learning ◽  
Feedback System ◽  
Student Feedback ◽  
Feedback Systems ◽  
Quality Of Teaching ◽  
University Of Applied Sciences ◽  
Online Feedback

From scientific research it is known that feedback from students to lecturers can positively influence teaching and learning in higher education. This involves both responses concerning the quality of teaching and to the own learning process. In lessons with a large number of students it appears to be challenging to realize such kind of interaction in oral way with all students in class. One possible way is to use online feedback-systems. Through this, all students have the opportunity to express their opinion, requests or problems concerning the lecture in anonymous way any time. Furthermore, it allows discussing the results together in class. The paper deals with the issue of student feedback in higher education and presents an online feedback-system and its integration into the teaching process. In addition, the paper shows some empirical based experiences made with the feedback-system in three courses in a German University of Applied Sciences. It becomes visible that feedback-systems have the potential to improve the quality of teaching and make learning more interactive and student-oriented.

scholarly journals Evaluation of Three Methods for CPR Training to Lifeguards: A Randomised Trial Using Traditional Procedures and New Technologies

Medicina ◽  
2020 ◽  
Vol 56 (11) ◽  
pp. 577
Author(s):  
Daniel González-Santano ◽  
Daniel Fernández-García ◽  
Elena Silvestre-Medina ◽  
Beatriz Remuiñán-Rodríguez ◽  
Fernando Rosell-Ortiz ◽  
...  
Keyword(s):  
New Technologies ◽  
Randomised Trial ◽  
Feedback System ◽  
Randomised Clinical Trial ◽  
Learning Tools ◽  
Traditional Training ◽  
Mobile Phone Applications ◽  
Cpr Training ◽  
And Training

Background and objectives: When the drowning timeline evolves and drowning occurs, the lifeguard tries to mitigate the event by applying the last link of the drowning survival chain with the aim of treating hypoxia. Quality CPR (Cardiopulmonary Resuscitation) and the training of lifeguards are the fundamental axes of drowning survival. Mobile applications and other feedback methods have emerged as strong methods for the learning and training of basic CPR in the last years so, in this study, a randomised clinical trial has been carried out to compare the traditional method as the use of apps or manikins with a feedback system as a method of training to improve the quality of resuscitation. Materials and Methods: The traditional training (TT), mobile phone applications (AP) and feedback manikins (FT) are compared. The three cohorts were subsequently evaluated through a manikin providing feedback, and a data report on the quality of the manoeuvres was obtained. Results: Significant differences were found between the traditional manikin and the manikin with real-time feedback regarding the percentage of compressions with correct depth (30.8% (30.4) vs. 68.2% (32.6); p = 0.042). Hand positioning, percentage correct chest recoil and quality of compressions exceeded 70% of correct performance in all groups with better percentages in the FT (TT vs. FT; p < 0.05). Conclusions: As a conclusion, feedback manikins are better learning tools than traditional models and apps as regards training chest compression. Ventilation values are low in all groups, but improve with the feedback manikin.

scholarly journals Ideas on sensory feedback in hand prostheses

1979 ◽  
Vol 3 (3) ◽  
pp. 157-162 ◽  
Author(s):  
P. Herberts ◽  
L. Körner
Keyword(s):  
Pattern Recognition ◽  
Control Systems ◽  
Future Development ◽  
Sensory Feedback ◽  
Feedback System ◽  
Signal Acquisition ◽  
Feedback Systems ◽  
Proportional Control ◽  
Prosthesis Control ◽  
Further Development

Development of systems for sensory feedback in hand prostheses has not been as successful as that of modern prosthesis control systems. The discrepancy is partly caused by an insufficient analysis of the concept of sensory feedback and by neglect of knowledge on the physiology of kinesthesis. In the present paper modern theories on physiologic kinesthesis are briefly summarized and the implication of these theories on the development of prosthesis sensory feedback systems are discussed. It is concluded that the future development of sensory feedback systems for hand prostheses should be directed towards increased utilization of the physiologic kinesthesis resulting from operation of the prosthesis control systems. This can be obtained by further development of the control systems. One promising approach in this direction is the use of a proportional control signal based on signal acquisition through pattern recognition of multiple myoelectric signals. Development of artificial systems for feedback should be restricted to situations when feedback emerging from the prosthesis control is insufficient. The importance of simplicity and reliability of feedback systems is stressed as well as the necessity to maintain prosthesis self-containment even after application of a feedback system.

Effect of Computerized Auditory Training on Speech Perception of Adults With Hearing Impairment

2013 ◽  
Vol 20 (3) ◽  
pp. 91-106 ◽  
Author(s):  
Rachel Pizarek ◽  
Valeriy Shafiro ◽  
Patricia McCarthy
Keyword(s):  
Hearing Loss ◽  
Speech Perception ◽  
Literature Review ◽  
Low Cost ◽  
Experimental Designs ◽  
Auditory Training ◽  
Hearing Impairments ◽  
Communicative Disorders ◽  
And Training

Computerized auditory training (CAT) is a convenient, low-cost approach to improving communication of individuals with hearing loss or other communicative disorders. A number of CAT programs are being marketed to patients and audiologists. The present literature review is an examination of evidence for the effectiveness of CAT in improving speech perception in adults with hearing impairments. Six current CAT programs, used in 9 published studies, were reviewed. In all 9 studies, some benefit of CAT for speech perception was demonstrated. Although these results are encouraging, the overall quality of available evidence remains low, and many programs currently on the market have not yet been evaluated. Thus, caution is needed when selecting CAT programs for specific patients. It is hoped that future researchers will (a) examine a greater number of CAT programs using more rigorous experimental designs, (b) determine which program features and training regimens are most effective, and (c) indicate which patients may benefit from CAT the most.

Strategi Penyelenggaraan Diklat Dan Ujian Sertifikasi Keahlian Pengadaan Barang/ Jasa Pemerintah Di Lingkungan Pemerintah Kabupaten Magelang

2017 ◽  
Vol 24 (1) ◽  
pp. 87-106
Author(s):  
Wiharyanto Wiharyanto
Keyword(s):  
Education And Training ◽  
Test System ◽  
Civil Servants ◽  
Quality Of Education ◽  
Alternative Formulation ◽  
Computer Assisted ◽  
Certification Exams ◽  
The Government ◽  
And Training

The study aims to analyze about the low graduation and certification exam training participants of the procurement of goods / services of the government and its contributing factors, and formulate a strategy of education and training and skills certification exams procurement of goods / services of the government. Collecting data using the method of study documentation, interviews, and questionnaires. Is the official source of information on the structural and functional Regional Employment Board, as well as the participants of the training and skills certification exams procurement of goods / services of the government in Magelang regency government environment. Analysis using 4 quadrant SWOT analysis, to determine the issue or strategic factors in improving the quality of education and training and skills certification exams procurement of government goods / services within the Government of Magelang regency. The results show organizer position is in quadrant I, which is supporting the growth strategy, with 3 alternative formulation strategies that improve the quality of education and training and skills certification exams procurement of government goods / services, and conducts certification examination of the procurement of government goods / services with computer assisted test system (CAT). Based on the research recommendations formulated advice to the organizing committee, namely: of prospective participants of the training and skills certification exams procurement of goods / services the government should consider the motivation of civil servants, is examinees who have attended training in the same period of the year, the need for simulation procurement of goods / services significantly, an additional allocation of training time, giving sanction to civil servants who have not passed the exam, the provision of adequate classroom space with the number of participants of each class are proportional, as well as explore the evaluation of education and training and skills certification exams procurement of goods / services for Government of participants.

Vocation Education Quality from Demand Side’s Perspective: The Case of Transport Technology Universities in the North of Vietnam

2019 ◽  
Vol 10 (11) ◽  
pp. 1089-1097
Author(s):  
Nguyen Quynh Hoa ◽  
◽  
Phung Chu Hoang ◽  
Keyword(s):  
Vocational Training ◽  
Vocational Education And Training ◽  
Quality Outcomes ◽  
The North ◽  
Job Opportunities ◽  
Management Capacity ◽  
Negative Effect ◽  
Training Quality ◽  
And Training

Quality outcomes from vocational education and training (VET) are fundamental to ensuring a skilled workforce and supporting a productive economy. The quality of vocational training from the demand’s perspective is defined as meeting the customer specification, needs or requirements. Using the method of Exploratory Factor Analysis (EFA) and Multiple Regression Analysis to get the analytical results of 275 respondents as graduates of University of Transport and Communication, University of Transport Technology (the two universities training on transportation in the North of Vietnam), the results show that factors are measured by the observed variables in the study that ensure reliability and relevance. The descriptive statistics result of vocational training quality is 3.28, while all independent variables are at average level (between 3.1 to 3.48) with the highest value related to the quality of the teacher and the lowest are facilities and training programs and management capacity of university. However, the regression results show that the qualification of the teacher, material facilities and training program, management capacity and job opportunities at the training school do not affect the quality of the training while “Learners-NH” have a great positive effect and the labor market information has a negative effect on the training quality of the school significantly. Base on those data, some policy recommendations have been given out in order to improve the training quality of transport technology universities in the north of Vietnam in particular and the vocational training quality of Vietnam in general.

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