• cues
  • 2013). In turn, reaches guided by binocular vision are more accurate than their monocular counterparts and is a result attributed to binocular cues optimizing response planning and online limb corrections. (arvojournals.org)
  • The goal of the present study was to examine whether putative differences in loVF and upVF reaches are influenced by the presence of binocular visual cues during movement planning and control. (arvojournals.org)
  • 1). Accordingly, our results provide no evidence that binocular cues optimize a vertical visual field asymmetry for online trajectory amendments. (arvojournals.org)
  • Sensitivity to binocular cues emerges. (wikipedia.org)
  • The first method consists of Radio Frequency Identification (RFID) readers built into artificial flowers that display various visual cues, and RFID tags ( i.e. , passive transponders) glued to the thorax of bumblebee workers. (jove.com)
  • An alternative approach is to study the effects of visual inputs in the absence of any appropriate mechanical and chemosensory cues. (jove.com)
  • We have used two methods to provide visual stimuli to crayfish without providing chemical and mechanical cues. (jove.com)
  • these visual cues are missing from the non-reflective half of the tank. (jove.com)
  • An alternative method is to videotape the behavior of crayfish in an aquarium separated by a smaller chamber at each end, with a crayfish in one small chamber providing visual cues and an inert object in the opposite small chamber providing visual input from a non-moving, non-crayfish source. (jove.com)
  • diplopia
  • Patients who experience eyestrain, "tired" eyes, or diplopia (double vision) while reading or performing other near work, and who have convergence insufficiency may benefit from orthoptic treatment. (wikipedia.org)
  • Patients sometimes adopt a face turned towards the side of the affected eye, moving the eye away from the field of action of the affected lateral rectus muscle, with the aim of controlling diplopia and maintaining binocular vision. (wikipedia.org)
  • parallax
  • Vision that perceives three-dimensional depth requires more than parallax. (wikipedia.org)
  • It is three-dimensional and various co-ordinate systems like the Cartesian x,y,z (with a defined origin in relation to an observer's head or eyes), or bipolar with angles of elevation, azimuth and binocular parallax (based on the separation of the two eyes) are interchangeable. (wikipedia.org)
  • inputs
  • 2004) visual inputs have been removed with blindfolds or low light intensity, and effects of remaining sensory modalities have been elucidated. (jove.com)
  • This approach aims to identify the exclusive role of visual inputs. (jove.com)
  • Binocular summation also increases the perceived brightness of the flicker when both inputs are in phase. (wikipedia.org)
  • B S R = C S b i n o c u l a r / C S b e t t e r e y e {\displaystyle BSR=CS_{binocular}/CS_{better\ eye}} One might expect the inputs from each eye to simply add together, and that the perceived brightness with two eyes is twice that of a single eye. (wikipedia.org)
  • Additionally, it has been argued that the visual system takes advantage of redundancies in inputs in order to transmit as much information as possible while using the fewest resources. (wikipedia.org)
  • retina
  • If one subtends a larger visual angle on the retina than the other, the object which subtends the larger visual angle appears closer. (wikipedia.org)
  • Familiar size - Since the visual angle of an object projected onto the retina decreases with distance, this information can be combined with previous knowledge of the objects size to determine the absolute depth of the object. (wikipedia.org)
  • The distinction is mandatory between what the eye professions call visual field, the area or extent of physical space that is available to the eye or that is being imaged on the retina, and the virtual, perceptual visual space in which visual percepts are located, the subject of this entry. (wikipedia.org)
  • clinical
  • In 2005, the Convergence Insufficiency Treatment Trial (CITT) published two large, randomized clinical studies examining the efficacy of orthoptic vision therapy in the treatment of symptomatic convergence insufficiency. (wikipedia.org)
  • pathway
  • The in vivo enucleation technique described in this manuscript has recently been successfully applied with minor modifications in rats and appears useful to study the afferent visual pathway of rodents in general. (jove.com)
  • For example, inattentional blindness suggests that there must be data deletion early on in the visual pathway. (wikipedia.org)
  • field
  • During Dr. Kong's research on visual fields in children, he has developed an LED based device which uses variable flicker frequencies and illumination in order to capture and map out gross field of vision in children with special needs. (neco.edu)
  • spatial
  • Detailed analyses of reaching trajectories (i.e., 10% through 100% of MT) indicated that CL binocular trials produced greater spatial variability in the primary movement axis than CL monocular trials or OL (i.e., binocular or monocular) trials. (arvojournals.org)
  • The novelty in our implementation is that RFID readers are built directly into artificial flowers that are capable of displaying several distinct visual properties such as color, pattern type, spatial frequency ( i.e. , "busyness" of the pattern), and symmetry (spatial frequency and symmetry were not manipulated in this experiment). (jove.com)
  • demonstrate
  • We demonstrate that a binocular color difference can be used to express the surface glossiness of an object on 3D display devices without being accompanied by a specular reflection pattern. (osapublishing.org)
  • representation
  • Considering how it arises (see below), visual space seems, as an immediate, unmediated experience, to provide a remarkably true and unproblematic representation of a real world of objects. (wikipedia.org)
  • system
  • The robotic vision system is constructed by employing a combinational strategy of neuromorphic engineering and conventional digital technology. (igi-global.com)
  • It provides a valuable tool to study the different aspects of visual, cross-modal and developmental plasticity along the mammalian visual system 1-4 . (jove.com)
  • Like the Ten-m family, Ten-m3 plays a critical role in regulating connectivity of the nervous system, particularly in axon pathfinding and synaptic organisation in the motor and visual system. (wikipedia.org)
  • Evidence suggests that our visual processing system engages in bottom-up selection. (wikipedia.org)
  • This also gives our visual system the property of being goal-directed. (wikipedia.org)
  • Many have suggested that the visual system is able to work efficiently by breaking images down into distinct components. (wikipedia.org)
  • The visual system should cut out any redundancies in the sensory input. (wikipedia.org)
  • eyes
  • That is the set of points that appear to have the same visual direction in both eyes. (wikipedia.org)
  • Although neither study examined reading efficiency or comprehension, both demonstrated that computerized home orthoptic exercises, when combined with weekly in-office vision therapy, were more effective than "pencil pushups" (a commonly prescribed home-based treatment) for improving the symptoms of asthenopia and the convergence ability of the eyes. (wikipedia.org)
  • Eyes begin moving together in unison (binocular vision). (wikipedia.org)
  • The likelihood that the eyes will stay aligned over the longer term is higher if the patient is able to achieve some degree of binocular fusion after surgery than if not. (wikipedia.org)
  • As the two images captured by each eye is incompatible for stereo processing, they fight for visual dominance over the other eye's side view, resulting in alternating views from the two eyes, where the non-dominant view is almost unseen. (wikipedia.org)
  • Monocular vision is vision in which both eyes are used separately. (wikipedia.org)
  • The eyes of an animal with monocular vision are usually positioned on opposite sides of the animal's head, giving it the ability to see two objects at once. (wikipedia.org)
  • Prey animals, with laterally positioned eyes, have little binocular vision, so there is a more complete crossover of visual signals[citation needed]. (wikipedia.org)
  • fusion
  • Binocular summation can increase the critical flicker fusion rate (CFF) which is the highest perceivable flicker rate before the image appears continuous. (wikipedia.org)
  • sensory
  • Social behavior depends on sensory input from the visual, mechanical and olfactory systems. (jove.com)
  • Vision is one of the most important sensory systems used to perceive the external world for both robots and humans. (igi-global.com)
  • In his career, Coren has produced research papers and published items in a wide range of psychological areas including sensory processes (vision and hearing), neuropsychology (handedness, sleep, birth stress effects and behavior genetics) and cognition (information processing and intelligence). (wikipedia.org)
  • optic nerve
  • Repka, 2010 ) Optic nerve gliomas invade the optic nerve tissue and impair visual functions. (frontiersin.org)
  • The net result of optic nerve crossing over at the optic chiasm is for the right cerebral hemisphere to sense and process left hemispheric vision, and for the left cerebral hemisphere to sense and process right hemispheric vision. (wikipedia.org)
  • examination
  • The computerized database (2003-2008) of a neuro-ophthalmology service of a major pediatric tertiary center was reviewed for all children with severe irreversible visual loss (counting fingers or less) due to brain-tumor-related optic neuropathy at their last follow-up examination. (frontiersin.org)
  • Vision therapy can be prescribed when a comprehensive eye examination indicates that it is an appropriate treatment option. (wikipedia.org)
  • However
  • However, autoregulatory changes may be responsible for rapid visual loss following decompression for chronic papilledema. (frontiersin.org)
  • include
  • Complications that occur rarely or very rarely following surgery include: eye infection, hemorrhage in case of scleral perforation, muscle slip or detachment, or even loss of vision. (wikipedia.org)
  • distinct
  • When features are sufficiently singular and distinct, there is no problem about a correspondence between an individual item A in object space and its correlate A' in visual space. (wikipedia.org)
  • Additionally
  • Additionally, these visual displays in conjunction with the automated systems are capable of recording unrewarded and untrained choice behavior. (jove.com)
  • evidence
  • There is tentative evidence that children with infantile esotropia patients achieve better binocular vision post-operatively if the surgical treatment is performed early (see: Infantile esotropia#Surgery). (wikipedia.org)
  • studies
  • Some of the exercises involve the use of: Marsden balls Rotation trainers Syntonics Balance board/beams Saccadic fixators Directional sequencers Behavioral vision therapy is practiced primarily by optometrists after doing extra studies in this area. (wikipedia.org)
  • tissue
  • The lacrimal gland (LG) secretes aqueous tears necessary for maintaining the structure and function of the cornea, a transparent tissue essential for vision. (jove.com)
  • provide
  • While a PHMD provide an additional, always-available visual output channel, it does not limit the user performing real world tasks. (wikipedia.org)
  • light
  • They are credited with reopening the interest of psychologists in these visual phenomena, and pointing out how they shed light on basic visual processing. (wikipedia.org)
  • work
  • He built on the binocular vision work of Ptolemy and discovered that objects lying on a horizontal line passing through the fixation point resulted in single images, while objects a reasonable distance from this line resulted in double images. (wikipedia.org)
  • Much of his early work dealt with various visual illusions, and was done in collaboration with Joan. (wikipedia.org)
  • object
  • An example illustrates the relationship between the concepts of object and visual space: Two straight lines are presented to an observer who is asked to set them so that they appear parallel. (wikipedia.org)
  • When this has been done, the lines are parallel in visual space and now a comparison is feasible with the physical lines' setting in object space. (wikipedia.org)
  • study
  • To verify the function of these models in visual computation, one needs to study how the models respond to natural scenes in real-time. (igi-global.com)
  • The purpose of this study was to characterize the severe postoperative irreversible visual loss induced by optic neuropathy in some children with a brain tumor. (frontiersin.org)
  • He is also credited with several breakthroughs in the study of what is known as subjective contours or illusory contours Later Coren and A. Ralph Hakstian developed methods for screening vision and hearing without the use of technical equipment, using behaviorally validated questionnaires. (wikipedia.org)