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About 10,000 papers for “Motion perception”

Motion Perception

Woon Ju Park, Duje Tadin · 2018

Abstract Motion perception is a key visual modality implicated in a wide range of critical functional roles. In addition to our ability to perceive moving objects, motion processing is involved in guiding locomotion, extracting object shape, figure‐ground segregation, capturing attention, and interpreting actions of our conspecifics. Here, we review advancements in our understanding of visual motion perception. We begin by describing the basic properties of motion, along with the computational challenges underlying detection and integration of motion signals. Next, we review more complex motion processes, discussing global motion perception, higher‐order motion, motion adaptation, motion in three dimensions, and biological motion. An important focus of this chapter is on interactions between motion perception and other sensory and cognitive modalities, including position, learning, attention, awareness, working memory, and multisensory processing. We also review notable examples of atypical motion processing in aging, cortical blindness, akinetopsia, amblyopia, schizophrenia, and autism spectrum disorder. For these topics, we cover key evidence from psychophysics, neurophysiology, neuroimaging, and computational modeling with an aim to provide a better understanding of the mechanisms that underlie our remarkable ability to take advantage of motion signals in the world. Finally, we highlight potentially interesting future directions in motion research.

Cited by 15

Motion Perception

Watamaniuk, Scott N. J. · Journal of Bioresource Management · 2004

Cited by 0

Motion Perception

David C. Evans · Apress eBooks · 2017

For over 100 years we've used the word "movies" to refer to your rapid slideshows of still-frame pictures in which nothing actually moves, so it is no secret that the entire entertainment industrial complex is founded on an illusion—the illusion of motion.

Cited by 0

Motion Perception

Watamaniuk, Scott N. J. · Journal of Bioresource Management · 2004

Cited by 0

Motion Perception

Smirnakis, S., Tolias, A., Logothetis, N. · MPG.PuRe (Max Planck Society) · 2004

Cited by 0

Motion Perception

Peter H. Schiller, Edward J. Tehovnik · Oxford University Press eBooks · 2015

Abstract This chapter examines how the brain analyzes visual motion. Several brain areas are centrally involved in this process that include cortical areas V1, the middle temporal area (MT), the middle superior temporal area (MST) as well as several subcortical regions. A central feature of single neurons in these areas is their direction and velocity selectivity which is accomplished by virtue of the interaction between excitatory and inhibitory circuits. This chapter has five subdivisions. In section A the neural mechanisms involved in motion processing is discussed. Section B describes experimental work assessing the effects of selective inactivation of various visual areas in the brain on the perception of motion. In section C experimental work is described that examines how we infer shapes and structures from motion cues. In section D how we process apparent motion effects is explained. Section E provides a summary of the chapter.

Cited by 0

Visual Motion Perception

Kathleen A. Turano · 2000

Abstract : In operations of aircraft control or target acquisition, the misperception of motion could produce serious errors in a pilot's performance. Little is known about the human observer's ability to accurately judge the velocity of motion while navigating through an environment containing moving objects or while making eye movements. If we can understand how the perception of motion is affected by the presence of moving objects in the environment or by eye movements, we can then specify viewing requirements based on the perceptual cost/benefits. In this project, the human observer's ability to judge velocity was investigated in two sets of experiments. In the first set of experiments the ability to judge self motion in an environment containing moving objects was investigated using simulated optic flow displays. The effects of object and observer velocity on the ability to discriminate between curvilinear and rectilinear self motion were determined. In the second set of experiments, the ability to judge object velocity while making smooth pursuit eye movements was investigated. The effects of stimulus velocity, size, and eccentricity on velocity perception were determined. The findings from the eye movement experiments led to the development of a model that explains how eye velocity signals combine with visual motion signals to determine the perception of motion.

Cited by 4

Nonrigid motion perception

Koerfer, Krischan · URN:NBN Resolver for Germany & Switzerland (German National Library) · 2025

Nichtstarre Bewegung ist ein grundlegender, jedoch untererforschter Aspekt des Sehens. Fluide, Feuer, Rauch, Wolken und Schwärme können sich verformen und ihre Bestandteile austauschen und verletzen so viele Modellannahmen der starren Bewegungswahrnehmung. Diese Dissertation präsentiert einen Stimulus, der einen für nichtstarre Bewegung zuverlässigen Bewegungshinweis isoliert: die Bewegung eines Bewegungsmusters. Drei Studien untersuchten Wahrnehmung, Mechanismus und okulomotorische Interaktion sowie Unterschiede zu Eigen-, biologischer und starrer Bewegung. Die Ergebnisse zeigen, dass die Wahrnehmung der Bewegung eines Bewegungsmusters möglich ist, der zugrunde liegende Mechanismus auf dem Curl des optischen Flusses basiert und ein gesonderter neuronaler Pfad viele der an Bewegungsverarbeitung, Blicksteuerung und visueller Stabilität beteiligte Hirnareale ausschließt.

Cited by 0Open access

Visual Motion Perception

Shimon Ullman · Birkhäuser Boston eBooks · 1988

Visual motion provides useful information about the surrounding environment, and this information is extracted and used by biological visual systems in a variety of tasks. Sophisticated mechanisms for extracting and utilizing visual motion are found even in simple animals. For example, the frog has efficient "bug detection" mechanisms that respond selectively to small dark objects moving in its visual field. The ordinary housefly can track moving objects and can discover the relative motion between a target and its background when the two are identical in texture and therefore indistinguishable in the absence of relative motion. Visual motion is also used in the guidance of locomotion and the control of body motion. Another remarkable use of visual motion is the interpretation of structure from motion, which is the recovery of three-dimensional shape using motion information alone. This capacity has been demonstrated in the classical studies of H. Wallach and D.N. O'Connell, in which an unfamiliar object was rotated behind a translucent screen and its shadow projection observed from the other side of the screen. The viewers were able to give a correct description of the hidden object's three-dimensional structure and motion in Space, even when each static view was unrecognizable and contained no three-dimensional information.KeywordsVisual MotionMotion PerceptionMotion MeasurementHide ObjectApparent Motion PhenomenonThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Cited by 2

Visual Motion Perception

Jeremy M. Wolfe, Dennis M. Levi, Lori L. Holt et al. · Oxford University Press eBooks · 2024

This chapter explores the intricate mechanisms of motion perception, emphasizing its significance as a primary perceptual dimension. It begins with motion aftereffects, such as the waterfall illusion, illustrating how direction-specific neural adaptations in the brain can create an illusory sense of movement in stationary objects. It explains the computation of visual motion through neural circuits that detect directional changes, addressing challenges like the aperture problem and showing how the middle temporal area (MT) integrates signals to resolve the global motion. Practical applications of motion information include navigation using optic flow and timing collisions via tau, while biological motion enables humans to interpret dynamic actions and intentions. The development of motion perception highlights the gradual maturation of motion sensitivity, from early reflexive eye movements in infancy to complex motion-processing capabilities in adulthood.

Cited by 0

Perception and Motion

Edna Forward · Physical Therapy · 1963

Journal Article Perception and Motion Get access Perception and Motion By Karl U. Smith and William M. Smith Cloth, illus., 341 pp., Philadelphia and London: W. B. Saunders Company, 1962, $8.00. Edna Forward, M.A. Edna Forward, M.A. 1Division of Physical Therapy Stanford University Palo Alto, California Search for other works by this author on: Oxford Academic Google Scholar Physical Therapy, Volume 43, Issue 5, May 1963, Page 406, https://doi.org/10.1093/ptj/43.5.406 Published: 01 May 1963

Cited by 88

Visual Motion Perception

George Sperling · 1989

Abstract : The articles enclosed with this report describe work related to five aspects of visual information processing: (1) Continuing studies of two separate motion-computation systems in human vision and the derivation of the functional properties of each. (2) The investigation of three dimensional structure derived from two dimensional visual inputs. (3) A potent form of spatial contrast-gain- control was discovered and found to be not only frequency selective but also orientation specific. This form of local gain control may exemplify a universal form of neural normalization. (4) Studies of human pattern recognition of familiar shapes (such as letters) show that its statistical efficiency approaches an incredible 50% of the ideal detector's efficiency when the pattern is spatially bandpass filtered in a band whose wavelength is of the same order as the pattern itself. (5) Studies of real and simulated saccadic eye movements in which the same sequence of images that is produced on the retina during saccadic eye movements is artificially produced on a stationary retina.

Cited by 0

Perception of Motion

Stephen Handel · Oxford University Press eBooks · 2006

Multiple stimulus dimensions and multiple perceptual processes affect the perception of motion and the dominant one is a function of the overall context. In apparent motion configurations, the first step is to parse the “somethings” in each image, and the second is to find the correspondence between the “somethings” in each image. The perceptions reflect the physical properties of objects, yielding slow continuous motions of rigid objects that do cross paths. For the simplest one-dot configurations, the perception is multistable, alternating between plausible motions. Two kinds of visual motion have been found: first order (Fourier) motion is based on changes in illumination or color, while second order (non-Fourier) motion is based on changes in contrast. Many visual phenomena have auditory equivalents, including induction and space-time and frequency-time stream segregation trading relationships.

Cited by 0