Download or read book Visual Control of Locomotion written by Brett R. Fajen and published by Cambridge University Press. This book was released on 2021-04-22 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Element examines visual perception in the context of activities that involve moving about in complex, dynamic environments. A central theme is that the ability of humans and other animals to perceive their surroundings based on vision is profoundly shaped by the need to adaptively regulate locomotion to variations in the environment. As such, important new insights into what and how we perceive can be gleaned by investigating the connection between vision and the control of locomotion. I present an integrated summary of decades of research on the perception of self-motion and object motion based on optic flow, the perception of spatial layout and affordances, and the control strategies for guiding locomotion based on visual information. I also explore important theoretical issues and debates, including the question of whether visual control relies on internal models.

Download or read book Visual Control of Locomotion written by and published by . This book was released on 2005 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The accomplishments were threefold. First, a software tool for rendering virtual environments was developed, a tool useful for other researchers interested in visual perception and visual control of action. Second, an instrumented electric scooter was developed that allows a person to drive around in virtual reality while experiencing the normal inertial cues associated with physical motion. This type of research vehicle can be used to investigate the roles of visual and inertial cues in the control of locomotion. Third, a number of behavioral experiments were conducted in real and virtual environments. The principal research findings were these: (1) complex behaviors, like steering a curved path and ball catching, can be performed without the retinal motion associated with luminance-based stimulation, (2) visual control of posture depends on the sensed relative motion between self and environment instead of on "optic flow", (3) people can continue steering a vehicle after the loss of visual information, implicating an internal model of surrounding space, (4) a steering error observed while driving with visual information only is eliminated when inertial cues.

Download or read book Visual Control of Locomotion written by Jurgen Konczak and published by . This book was released on 1991 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book 4th International Conference on Nanotechnologies and Biomedical Engineering written by Ion Tiginyanu and published by Springer Nature. This book was released on 2019-09-17 with total page 835 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the proceedings of the 4th International Conference on Nanotechnologies and Biomedical Engineering, held on September 18-21, 2019, in Chisinau, Republic of Moldova. It continues the tradition of the previous conference proceedings, thus reporting on both fundamental and applied research at the interface between nanotechnologies and biomedical engineering. Topics include: developments in bio-micro/nanotechnologies and devices; biomedical signal processing; biomedical imaging; biomaterials for biomedical applications; biomimetics; bioinformatics and e-health, and advances in a number of related areas. The book offers a timely snapshot of cutting-edge, multidisciplinary research and developments in the field of biomedical and nano-engineering.

Download or read book Visual Strategies for the Control of Locomotion written by Andrew P. Duchon and published by . This book was released on 1999 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Maps Programs and the Visual Control of Locomotion written by James Alick Thomson and published by . This book was released on 1977 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Vestibular and Visual Control on Posture and Locomotor Equilibrium written by International Society of Posturography. International Symposium and published by S. Karger AG (Switzerland). This book was released on 1985 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Visual Control of Human Gait During Locomotor Pointing written by Adrian Popescu and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Vision and Motor Control written by L. Proteau and published by Elsevier. This book was released on 1992-02-20 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the classic studies of Woodworth (1899), the role of vision in the control of movement has been an important research topic in experimental psychology. While many early studies were concerned with the relative importance of vision and kinesthesis and/or the time it takes to use visual information, recent theoretical and technical developments have stimulated scientists to ask questions about how different sources of visual information contribute to motor control in different contexts. In this volume, articles are presented that provide a broad coverage of the current research and theory on vision and human motor learning and control. Many of the contributors are colleagues that have met over the years at the meetings and conferences concerned with human movement. They represent a wide range of affiliation and background including kinesiology, physical education, neurophysiology, cognitive psychology and neuropsychology. Thus the topic of vision and motor control is addressed from a number of different perspectives. In general, each author sets an empirical and theoretical framework for their topic, and then discusses current work from their own laboratory, and how it fits into the larger context. A synthesis chapter at the end of the volume identifies commonalities in the work and suggests directions for future experimentation.

Download or read book Maps Programs and the Visual Control of Locomotion written by J. A. Thomson and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Neuro motor control and feed forward models of locomotion in humans written by Marco Iosa and published by Frontiers Media SA. This book was released on 2015-07-29 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Locomotion involves many different muscles and the need of controlling several degrees of freedom. Despite the Central Nervous System can finely control the contraction of individual muscles, emerging evidences indicate that strategies for the reduction of the complexity of movement and for compensating the sensorimotor delays may be adopted. Experimental evidences in animal and lately human model led to the concept of a central pattern generator (CPG) which suggests that circuitry within the distal part of CNS, i.e. spinal cord, can generate the basic locomotor patterns, even in the absence of sensory information. Different studies pointed out the role of CPG in the control of locomotion as well as others investigated the neuroplasticity of CPG allowing for gait recovery after spinal cord lesion. Literature was also focused on muscle synergies, i.e. the combination of (locomotor) functional modules, implemented in neuronal networks of the spinal cord, generating specific motor output by imposing a specific timing structure and appropriate weightings to muscle activations. Despite the great interest that this approach generated in the last years in the Scientific Community, large areas of investigations remain available for further improvement (e.g. the influence of afferent feedback and environmental constrains) for both experimental and simulated models. However, also supraspinal structures are involved during locomotion, and it has been shown that they are responsible for initiating and modifying the features of this basic rhythm, for stabilising the upright walking, and for coordinating movements in a dynamic changing environment. Furthermore, specific damages into spinal and supraspinal structures result in specific alterations of human locomotion, as evident in subjects with brain injuries such as stroke, brain trauma, or people with cerebral palsy, in people with death of dopaminergic neurons in the substantia nigra due to Parkinson’s disease, or in subjects with cerebellar dysfunctions, such as patients with ataxia. The role of cerebellum during locomotion has been shown to be related to coordination and adaptation of movements. Cerebellum is the structure of CNS where are conceivably located the internal models, that are neural representations miming meaningful aspects of our body, such as input/output characteristics of sensorimotor system. Internal model control has been shown to be at the basis of motor strategies for compensating delays or lacks in sensorimotor feedbacks, and some aspects of locomotion need predictive internal control, especially for improving gait dynamic stability, for avoiding obstacles or when sensory feedback is altered or lacking. Furthermore, despite internal model concepts are widespread in neuroscience and neurocognitive science, neurorehabilitation paid far too little attention to the potential role of internal model control on gait recovery. Many important scientists have contributed to this Research Topic with original studies, computational studies, and review articles focused on neural circuits and internal models involved in the control of human locomotion, aiming at understanding the role played in control of locomotion of different neural circuits located at brain, cerebellum, and spinal cord levels.

Download or read book Afferent Control of Posture and Locomotion written by and published by Elsevier. This book was released on 1990-02-28 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Afferent Control of Posture and Locomotion

Download or read book Adaptability of Human Gait written by A.E. Patla and published by Elsevier. This book was released on 1991-03-25 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: A large number of volumes have been produced summarizing the work on generation and control of rhythmic movements, in particular locomotion. Unfortunately most of them focus on locomotor studies done on animals. This edited volume redresses that imbalance by focusing completely on human locomotor behaviour. The very nature of the problem has both necessitated and attracted researchers from a wide variety of disciplines ranging from psychology, neurophysiology, kinesiology, engineering, medicine to computer science. The different and unique perspectives they bring to this problem provide a comprehensive picture of the current state of knowledge on the generation and regulation of human locomotor behaviour. A common unifying theme of this volume is studying the adaptability of human gait to obtain insights into the control of locomotion. The intentional focus on "adaptability" is meant to draw attention to the importance of understanding the generation and regulation of "skilled locomotor behaviour" rather than just the generation of basic locomotor patterns which has been the major focus of animal studies. The synthesis chapter at the end of the volume examines how the questions posed, the technology, and the experimental and theoretical paradigms have evolved over the years, and what the future has in store for this important research domain.

Download or read book Visual Regulation of Gait in Bipedal Locomotion written by William Paul Berg and published by . This book was released on 1991 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Motor Learning in the Non visual Control of Spatial Orientation During Locomotion written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Visual Control of Legged Robots for Locomotion in Complex Environments Using Central Pattern Generators written by Sébastien Gay and published by . This book was released on 2014 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Brain Mechanisms and Spatial Vision written by D.J. Ingle and published by Springer Science & Business Media. This book was released on 1984-12-31 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains chapters derived from a N. A. T. O. Advanced Study Institute held in June 1983. As the director of this A. S. I. it was my hope that some of the e1ectrophysiologists could express the potentialities of their work for perceptual theory, and that some perceptionists could speculate on the underlying "units" of perception in a way that would engage the imagination of physio logists. The reader will have to be the judge of whether this was achieved, or whether such a psychophysiological inter1ingua is still overly idealistic. It is clear that after the revolution prec~pitated by Hube1 and Weisel in understanding of visual cortical neurons we still have only a foggy idea of the behavioral output of any particular species of cortical detector. It was therefore particularly unfortunate that two persons who have made great strides in correlating interesting facets of cat cortical physio logy with human psychophysics (Max Cynader and Martin Regan of Dalhousie University) were unable to attend this meeting. Never theless, a number of new and challenging ideas regarding both spatial perception and cortical mechanisms are represented in this volume, and it is hoped that the reader will remember not only the individual demonstrations but the critical questions posed by the apposition of the two different collections of experimental facts. David Ingle April 1984 VII TABLE OF CONTENTS PREFACE V D. N. Lee and D. S. Young Visual Timing of Interceptive Action 1 J. J.