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Combined Effects Of Noise And Vibration On Mental Performance
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Book Synopsis Combined Effects of Noise and Vibration on Mental Performance by : C. Stanley Harris
Download or read book Combined Effects of Noise and Vibration on Mental Performance written by C. Stanley Harris and published by . This book was released on 1971 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two experiments were conducted to determine the combined effects of noise and vibration on mental performance. In experiment 1, ten subjects were tested on a combination short term memory and subtraction task during exposure to four different intensities of broadband noise. Another group of ten subjects was tested using the same noise intensities in combination with 0.25g (peak) vertical vibration at 5Hz. Noise alone, and vibration with low level noise (80 dB and 90 dB re 0.0002 dyne/sq cm) had no adverse effects on task performance while the highest level of noise (110 dB) combined with vibration to produce a significant reduction in the number of correct responses. In experiment 2, the second group of subjects used in experiment 1 was tested during exposure to the following conditions: no vibration (control), vibration at 5 Hz - 0.25g, 7 Hz - 0.30g, and 11 Hz - 0.50g, all combined with 80 dB noise. Subsequently these same vibration conditions were presented with 107 dB noise. High intensity noise and vibration combined to produce a greater decrement in performance than either stressor alone. Vibration at 5 Hz was a more sensitive frequency for mental subtraction performance than 7Hz and 11 Hz when the three frequencies were presented in conjunction with high intensity noise. (Author).
Book Synopsis Combined Effects of Noise and Vibration on Mental Performance as a Function of Time of Day by : Henry C. Sommer
Download or read book Combined Effects of Noise and Vibration on Mental Performance as a Function of Time of Day written by Henry C. Sommer and published by . This book was released on 1970 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: To determine the combined effects of noise and vibration on mental performance as a function of time of day, subjects were randomly exposed to each of the following conditions: stress (5 Hz vibration, 110 dB noise) at 6 AM; no stress (no vibration - 85 dB noise) at 6 AM; stress at 3 PM; and no stress at 3 PM. Subjects' performance on a mental arithmetic task was measured during each of these exposures on consecutive days. The average exposure time was approximately 20 minutes. The results are discussed in the context of arousal theory. (Author).
Book Synopsis Future Directions for Research on the Combined Effects of Noise and Vibration on Cognition and Communication by :
Download or read book Future Directions for Research on the Combined Effects of Noise and Vibration on Cognition and Communication written by and published by . This book was released on 2004 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to gain a better understanding of how to optimize the performance of personnel operating military vehicles, where exposure to noise & vibration is a problem, it is important to consider the effects of realistic levels of noise & vibration. This paper presents an overview of previous studies of communication & cognitive performance in noise & vibration, including studies of speech intelligibility in noise and of the effects of whole body vibration, noise, and their combination on task performance. It also suggests directions for future research.
Book Synopsis Combined Effects of Noise and Vibration on Psychomotor Performance by : C. Stanley Harris
Download or read book Combined Effects of Noise and Vibration on Psychomotor Performance written by C. Stanley Harris and published by . This book was released on 1970 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tracking performance and reaction time to the appearance of a light (red lights) and disappearance of a light (green lights) of highly trained subjects were measured during four experimental conditions. There were two conditions of 85 dB and 110 dB broadband noise exposure, and two conditions in which these noise exposures were combined with 0.25G vertical vibration at 5 Hz. Duration of exposure for each condition was 19 minutes. Vibration was found to have an adverse effect on both the horizontal and vertical dimensions of the tracking task and on reaction time to both sets of lights. Noise had a significant effect, both with and without vibration, but only on the vertical part of the tracking task. On vertical tracking, the detrimental effect of noise was additive to that of vibration when both noise and vibration were presented simultaneously (110dB noise and 0.25G vertical vibration at 5 Hz). (Author).
Book Synopsis The Journal of the Acoustical Society of Japan (E). by :
Download or read book The Journal of the Acoustical Society of Japan (E). written by and published by . This book was released on 1987 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains English abstracts of original papers and letters to the editor that appear in the Japanese edition.
Book Synopsis The Physical Environment by : D. M. Jones
Download or read book The Physical Environment written by D. M. Jones and published by Academic Press. This book was released on 2015-04-30 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume covers such issues as sound and vibration, the thermal environment, and the visual environment. It contains conmmentaries from the leading authorities in the field.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abstracts of the 1971-1974 United States and Foreign Open Literature on Noise by : E. P. Bergman
Download or read book Abstracts of the 1971-1974 United States and Foreign Open Literature on Noise written by E. P. Bergman and published by . This book was released on 1976 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Reporting Series written by and published by . This book was released on 1976 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Human Vibration by : M. J. Griffin
Download or read book Handbook of Human Vibration written by M. J. Griffin and published by Academic Press. This book was released on 2012-12-02 with total page 1005 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today the human body is exposed to vibration not only while traveling but also during leisure and domestic activities and in many occupations. This volume summarizes the current understanding of the many human responses to vibration. Divided into two parts, this book deals with whole-body vibrations and hand-transmitted vibration. In each part the experimental data and appropriate models are presented in detail so that readers can address practical problems. An extensive guide to national and international standards is provided, and a large multidisciplinary glossary of terms assists in understanding the relevant technical and medical jargon. This comprehensive reference volume is accessible to all those interested in human vibration: medical doctors, engineers, lawyers, scientists, and health and safety officials and administrators. LK uses the following bulleted list_ This new text features: An up-to-date statement of current knowledge on human responses to vibration A comprehensive glossary of terms in current use in the fields of vibration and human response An extensive bibliography and guide to national and international standards
Book Synopsis Whole Body Vibrations by : Redha Taiar
Download or read book Whole Body Vibrations written by Redha Taiar and published by CRC Press. This book was released on 2018-12-07 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whole Body Vibrations: Physical and Biological Effects on the Human Body allows an understanding about the qualities and disadvantages of vibration exposure on the human body with a biomechanical and medical perspective. It offers a comprehensive range of principles, methods, techniques and tools to provide the reader with a clear knowledge of the impact of vibration on human tissues and physiological processes. The text considers physical, mechanical and biomechanical aspects and it is illustrated by key application domains such as sports and medicine. Consisting of 11 chapters in total, the first three chapters provide useful tools for measuring, generating, simulating and processing vibration signals. The following seven chapters are applications in different fields of expertise, from performance to health, with localized or global effects. Since unfortunately there are undesirable effects from the exposure to mechanical vibrations, a final chapter is dedicated to this issue. Engineers, researchers and students from biomedical engineering and health sciences, as well as industrial professionals can profit from this compendium of knowledge about mechanical vibration applied to the human body. Provides biomechanical and medical perspectives to understanding the qualities and disadvantages of vibration exposure on the human body Offers a range of principles, methods, techniques, and tools to evaluate the impact of vibration on human tissues and physiological processes Explores mechanical vibration techniques used to improve human performance Discusses the strong association between health and human well-being Explores physical, mechanical, and biomechanical aspects of vibration exposure in domains such as sports and medicine
Book Synopsis The Combined Effects of Noise and Vibration on Human Annoyance by : Michael Jerome Goodman
Download or read book The Combined Effects of Noise and Vibration on Human Annoyance written by Michael Jerome Goodman and published by . This book was released on 1974 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1985 with total page 1148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Human Performance, Workload, and Situational Awareness Measures Handbook by : Valerie J. Gawron
Download or read book Human Performance, Workload, and Situational Awareness Measures Handbook written by Valerie J. Gawron and published by CRC Press. This book was released on 2008-03-24 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human performance measurement is the cornerstone of human factors and experimental psychology and the Human Performance Measures Handbook has long been its foundational reference. Reflecting a wider range and scope, the second edition, newly named Human Performance, Workload, and Situational Awareness Measures Handbook, presents changes in th
Download or read book Aerospace Medicine written by and published by . This book was released on 1974 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Human Performance and Situation Awareness Measures by : Valerie Jane Gawron
Download or read book Human Performance and Situation Awareness Measures written by Valerie Jane Gawron and published by CRC Press. This book was released on 2019-01-04 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was developed to help researchers and practitioners select measures to be used in the evaluation of human/machine systems. The book begins with an overview of the steps involved in developing a test to measure human performance. This is followed by a definition of human performance and a review of human performance measures. Another section defines situational awareness with reviews of situational awareness measures. For both the performance and situational awareness sections, each measure is described, along with its strengths and limitations, data requirements, threshold values, and sources of further information. To make this reference easier to use, extensive author and subject indices are provided. Features Provides a short engineering tutorial on experimental design Offers readily accessible information on human performance and situational awareness (SA) measures Presents general description of the measure Covers data collection, reduction, and analysis requirements Details the strengths and limitations or restrictions of each measure, including proprietary rights or restrictions
Author :Jeffrey R. Davis, M.D. Publisher :Lippincott Williams & Wilkins ISBN 13 :9780781774666 Total Pages :756 pages Book Rating :4.7/5 (746 download)
Book Synopsis Fundamentals of Aerospace Medicine by : Jeffrey R. Davis, M.D.
Download or read book Fundamentals of Aerospace Medicine written by Jeffrey R. Davis, M.D. and published by Lippincott Williams & Wilkins. This book was released on 2008 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in its Fourth Edition with a new editorial team, this comprehensive text addresses all medical and public health issues involved in the care of crews, passengers, and support personnel of aircraft and space vehicles. Coverage includes human physiology under flight conditions, clinical medicine in the aerospace environment, and the impact of the aviation industry on global public health. This edition features new chapters on radiation, toxicology and microbiology, dental considerations in aerospace medicine, women's health issues, commercial human space flight, space exploration, and unique aircraft including parachuting. Other highlights include significant new information on respiratory diseases, cardiovascular medicine, infectious disease transmission, and human response to acceleration.
