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Author : Valérie Bilien
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (284 download)
Download or read book Modeling Human Spatial Orientation Perception in a Centrifuge Using Estimation Theory written by Valérie Bilien and published by . This book was released on 1993 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wade H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1461519691
Total Pages : 426 pages
Book Rating : 4.4/5 (615 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 38 (thesis year 1993) a total of 13,787 thesis titles from 22 Canadian and 164 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 38 reports theses submitted in 1993, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Author :
Publisher : Academic Press
ISBN 13 : 044464234X
Total Pages : 368 pages
Book Rating : 4.4/5 (446 download)
Download or read book Mathematical Modelling in Motor Neuroscience: State of the Art and Translation to the Clinic. Ocular Motor Plant and Gaze Stabilization Mechanisms written by and published by Academic Press. This book was released on 2019-06-23 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical Modelling in Motor Neuroscience: State of the Art and Translation to the Clinic. Ocular Motor Plant and Gaze Stabilization Mechanisms, Volume 248, the latest release in the Progress in Brain Research series, highlights new advances in the field, with this new volume presenting interesting chapters on a variety of topics, including Mathematical modeling in clinical and basic motor neuroscience, The math of medicine - the computational lessons learned from the human disease, Mathematical models - an extension of the clinician's mind, From differential equation to linear control systems: the study of the VOR, Closed lop and nonlinear systems, State-space equations and learning, Integrators and optimal control, and much more. - Provides the authority and expertise of leading contributors from an international board of authors - Presents the latest release in the Progress in Brain Research series - Includes the latest information on mathematical modeling in motor neuroscience
Author : Sade H Shafer
Publisher : Springer Science & Business Media
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.0/5 ( download)
Download or read book Masters Theses in the Pure and Applied Sciences written by Sade H Shafer and published by Springer Science & Business Media. This book was released on 1995 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cited in Sheehy, Chen, and Hurt . Volume 38 (thesis year 1993) reports a total of 13,787 thesis titles from 22 Canadian and 164 US universities. As in previous volumes, thesis titles are arranged by discipline and by university within each discipline. Any accredited university or college with a grad
Author : Raghav Harini Venkatesan
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (746 download)
Download or read book Multisensory Models for Human Spatial Orientation Including Threshold Effects written by Raghav Harini Venkatesan and published by . This book was released on 2010 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: E-Observer, a stand-alone executable version of the Observer model developed by Newman and Oman (2009), was developed. The complicated structure of the Observer model and its parameters made this conversion challenging. The resulting Windows PC executable uses a publically available library (MATLAB component runtime v7.1 0). E-Observer parameters are limited to the preset choices in Observer. A hypothetical example of the use of E-Observer to analyze an aircraft accident radar trajectory data is discussed. Like many other dynamic models for human spatial orientation, Observer does not incorporate perception thresholds, which limits its use to relatively large stimuli and hence cannot be used for investigation of certain accidents and flight simulator design, which involve sub-threshold motions. The literature on motion thresholds is reviewed which suggests that vestibular perception thresholds are not mechanical thresholds, but are due to signal-in-noise phenomenon. As a fIrst step towards incorporating thresholds in Observer, modeling yaw perception thresholds was attempted and two detection models are proposed - a Matched Filter model and a Two-Threshold model. The Matched Filter detector model matches the noisy perception with a noise-free stimulus template and evaluates how much they correlate. Based on the correlation, the model fInally decides if the signal is present or not. However, this model applies only in cases where the subject is in an experiment, and knows the expected stimulus waveform. Grabherr et al (2008) proposed a high pass filter model for direction recognition thresholds based on their recognition data. This thesis explores an alternative modeling approach assuming that the CNS samples the angular velocity estimate and its derivative, and applies thresholds to both. Whether the motion stimulus is detected or not depends on how many of these samples cross the threshold level. The performance of both models was compared against the Grabherr et. al. data It was found that both models are able to approximate the 79.4% detection criterion for thresholds determined in Grabherr's study. However, the two threshold model does not assume that the subject knows the stimulus waveform. Supported by Project SA1302 by the National Space Biomedical Research Institute through NASA NCC 9-58.
Author :
Publisher :
ISBN 13 :
Total Pages : 496 pages
Book Rating : 4.3/5 (91 download)
Download or read book Master's Theses Directories written by and published by . This book was released on 1993 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Author : Michael Charles Newman
Publisher :
ISBN 13 :
Total Pages : 103 pages
Book Rating : 4.:/5 (496 download)
Download or read book A Multisensory Observer Model for Human Spatial Orientation Perception written by Michael Charles Newman and published by . This book was released on 2009 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) Visual additions were validated against the Borah et al (1978) Kalman filter simulation results and validation data sets (Earth vertical constant velocity rotation in the light, somatogravic illusion in the light, and linear and circular vection). The model predicts that circular vection should have two dynamic components, and the recent finding of Tokumaru et al (1998) that visual cues influence somatogravic illusion in ways not accounted for by the Borah model. The model also correctly predicts both the direction of Coriolis illusion, and the magnitude of the resulting tilt illusion. It also predicts that the direction and mechanism of Pseudo-Coriolis illusion is fundamentally different from Coriolis, a prediction verified by means of a pilot experiment. Finally, the model accounts for the dynamics of astronaut post-flight tilt-gain and OTTR vertigos in ways not explained by previous static analyses (e.g. Merfeld, 2003). Supported by the National Space Biomedical Research Institute through NASA NCC 9-58.
Author : Torin Kristofer Clark
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (668 download)
Download or read book Human Spatial Orientation Perceptions During Simulated Lunar Landing written by Torin Kristofer Clark and published by . This book was released on 2010 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: During crewed lunar landings, astronauts are expected to guide a stable and controlled descent to a landing zone that is level and free of hazards by either making landing point (LP) redesignations or taking direct manual control. However, vestibular and visual sensorimotor limitations unique to lunar landing may interfere with landing performance and safety. Vehicle motion profiles of candidate lunar descent trajectories were used as inputs to a mathematical model for orientation system function, to predict human perception of orientation and identify disorientating illusions. Simulations were conducted using the vestibular-only portion of the model as well as incorporating the activation of visual cues. Dust blowback from the descent engine was modeled as well. The NASA Ames Vertical Motion Simulator was used to experimentally investigate human orientation perception during manually controlled landing trajectories. Subjects were tasked with reporting perceptions of vehicle tilt angle and horizontal velocity. There were three treatment conditions studied: eyes closed (blindfolded), eyes out the window on simulated lunar terrain, or eyes on display instruments. It was seen in the vestibular-only orientation perception model that the acceleration profile of the descent engine throughout candidate trajectories is likely to create a somatogravic illusion. This illusion creates the perception of being upright even when the actual vehicle orientation is significantly tilted. The model predicts the underestimation of tilt angle for the candidate automated trajectories as well during maneuvers resulting from LP redesignation and manual control maneuvers. The activation of visual pathways in the model improved orientation perceptions, however misperceptions persisted when visual cues were limited such as prior to the pitch-over maneuver and during dust blowback. Results from the motion base simulator experiment are in agreement with the likelihood of the somatogravic illusion occurring without the astronauts' continued focus on instrument displays. Horizontal velocity was poorly perceived without reliable visual cues, both in magnitude and direction. Misperception of spatial orientation is likely to increase workload and may reduce performance and safety during landing. Countermeasures should be designed to minimize the risk of astronaut disorientation, including the design of advanced displays.
Author : Susan Wearne
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.:/5 (221 download)
Download or read book Spatial Orientation of the Human Linear and Angular Vestibulo-ocular Reflexes During Centrifugation written by Susan Wearne and published by . This book was released on 1993 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ian P. Howard
Publisher :
ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.3/5 (91 download)
Download or read book Human Spatial Orientation written by Ian P. Howard and published by . This book was released on 1966 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher : Academic Press
ISBN 13 : 0128054093
Total Pages : 5215 pages
Book Rating : 4.1/5 (28 download)
Download or read book The Senses: A Comprehensive Reference written by and published by Academic Press. This book was released on 2020-09-30 with total page 5215 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Senses: A Comprehensive Reference, Second Edition, Seven Volume Set is a comprehensive reference work covering the range of topics that constitute current knowledge of the neural mechanisms underlying the different senses. This important work provides the most up-to-date, cutting-edge, comprehensive reference combining volumes on all major sensory modalities in one set. Offering 264 chapters from a distinguished team of international experts, The Senses lays out current knowledge on the anatomy, physiology, and molecular biology of sensory organs, in a collection of comprehensive chapters spanning 4 volumes. Topics covered include the perception, psychophysics, and higher order processing of sensory information, as well as disorders and new diagnostic and treatment methods. Written for a wide audience, this reference work provides students, scholars, medical doctors, as well as anyone interested in neuroscience, a comprehensive overview of the knowledge accumulated on the function of sense organs, sensory systems, and how the brain processes sensory input. As with the first edition, contributions from leading scholars from around the world will ensure The Senses offers a truly international portrait of sensory physiology. The set is the definitive reference on sensory neuroscience and provides the ultimate entry point into the review and original literature in Sensory Neuroscience enabling students and scientists to delve into the subject and deepen their knowledge. All-inclusive coverage of topics: updated edition offers readers the only current reference available covering neurobiology, physiology, anatomy, and molecular biology of sense organs and the processing of sensory information in the brain Authoritative content: world-leading contributors provide readers with a reputable, dynamic and authoritative account of the topics under discussion Comprehensive-style content: in-depth, complex coverage of topics offers students at upper undergraduate level and above full insight into topics under discussion
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Author : Ian Porteous HOWARD (and TEMPLETON (William Brian))
Publisher :
ISBN 13 : 9780317107388
Total Pages : 533 pages
Book Rating : 4.1/5 (73 download)
Download or read book Human Spatial Orientation. [With Plates and Illustrations.]. written by Ian Porteous HOWARD (and TEMPLETON (William Brian)) and published by . This book was released on 1966 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 974 pages
Book Rating : 4.F/5 ( download)
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1332 pages
Book Rating : 4.F/5 ( download)
Download or read book Research Awards Index written by and published by . This book was released on with total page 1332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Institutes of Health (U.S.). Division of Research Grants
Publisher :
ISBN 13 :
Total Pages : 1320 pages
Book Rating : 4.:/5 (31 download)
Download or read book Research Grants Index written by National Institutes of Health (U.S.). Division of Research Grants and published by . This book was released on 1971 with total page 1320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alex P. Michael
Publisher : Springer Nature
ISBN 13 : 3031184408
Total Pages : 139 pages
Book Rating : 4.0/5 (311 download)
Download or read book Spaceflight and the Central Nervous System written by Alex P. Michael and published by Springer Nature. This book was released on 2022-12-28 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book consolidates the current knowledge of how short and long-duration spaceflight affects the anatomy and physiology of the central nervous system. It also incorporates the methodology and constraints of studying the central nervous system in space. Chapters detail advances in imaging techniques available to assess intracranial and intraocular pathology as well as translational medicine with an emphasis on brain cancer and neurodegenerative disease in spaceflight. Additionally, the book offers theoretical background information, tested laboratory protocols, and step-by-step methods for reproducible lab experiments to aid neuroscientists and neurobiologists in laboratory testing and experimentation. Spaceflight and the Central Nervous System is the first to comprehensively include all aspects of spaceflight-induced changes in the central nervous system. It is an invaluable resource for basic and clinical laboratory trainees and researchers in aerospace medicine and physiology or for those looking to gain specific knowledge in spaceflight neuroscience.
