• cues
  • Because of an infant's inability to verbally express their visual field, growing research in this field relies heavily on nonverbal cues including an infant's perceived ability to detect patterns and visual changes. (wikipedia.org)
  • Humans can do path integration based exclusively on visual 2-3 , auditory 4 , or inertial cues 5 . (jove.com)
  • The relative contributions of inertial and visual cues for path navigation were also assessed. (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)
  • 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)
  • relies
  • However, in many areas of the world, TB diagnosis still relies on insensitive, poorly standardized sputum microscopy methods. (jove.com)
  • subjective
  • Elsewhere in his dissertation, and in an 1823 follow-up volume, Purkinje discusses various striking subjective visual phenomena, some occurring with eyes closed, others with eyes open. (ucr.edu)
  • While the DHL can be defined following Mori's description as a smooth linear change in the degree of physical humanlike similarity, subjective perception of objects along the DHL can be understood in terms of the psychological effects of categorical perception (CP) 7 . (jove.com)
  • 20th
  • During the early 20th century auditory hallucinations were second to visual hallucinations in frequency, but they are now the most common manifestation of schizophrenia, although rates vary throughout cultures and regions. (wikipedia.org)
  • retina
  • It requires not only the muscles of the eye - the muscles of orbit and the ciliary muscles - to be able to focus on a particular object through contraction and relaxation, but other parts of the retina such as the fovea to project a clear image on the retina. (wikipedia.org)
  • However, images still appear unclear at two months due to other components of the visual system like the fovea and retina and the brain circuitry that are still in their developmental stages. (wikipedia.org)
  • This means that even though an infant is able to focus on a clear image on the retina, the fovea and other visual parts of the brain are too immature to transmit a clear image. (wikipedia.org)
  • The optics of the eye create an image of the visual world on the retina (through the cornea and lens), which serves much the same function as the film in a camera. (wikipedia.org)
  • temporal
  • In binocular rivalry, two dissimilar images, presented to corresponding regions of both eyes, are not perceptually fused, but get access to visual awareness in temporal alternation. (frontiersin.org)
  • In this technique a high contrast, colored noise masker, flickering with a temporal frequency of about 10 Hz, is presented to one eye, while the other eye is stimulated with a static image. (frontiersin.org)
  • absence
  • The seemingly complete suppression of the test stimulus by the dynamic masker right from trial start made the CFS technique attractive for studying visual processing in the absence of awareness. (frontiersin.org)
  • optic
  • while the "labyrinthine" design allows any output that a visual system can be trained to associate reliably with features of an optic array and allows forms of learning that set up new communication channels. (bham.ac.uk)
  • These are sent to various visual centres of the brain through the fibres of the optic nerve. (wikipedia.org)
  • The optic nerve is a central tract of many axons of ganglion cells connecting primarily to the lateral geniculate body, a visual relay station in the diencephalon (the rear of the forebrain). (wikipedia.org)
  • neural
  • The alternations in conscious perception are thought to reflect competition among the neural structures involved in processing the two stimulus alternatives ( Blake and Logothetis, 2002 ). (frontiersin.org)
  • Hypothesis
  • Mori's Uncanny Valley Hypothesis 1,2 proposes that the perception of humanlike characters such as robots and, by extension, avatars (computer-generated characters) can evoke negative or positive affect (valence) depending on the object's degree of visual and behavioral realism along a dimension of human likeness ( DHL ) ( Figure 1 ). (jove.com)
  • In this paper I argue that Wittgenstein's aim in the aspect-perception passages is to critically evaluate a specific hypothesis. (philpapers.org)
  • detection
  • Therefore, by measuring the width of the strips and their distance from an infant's eye, visual acuity can be estimated, with detection of finer strips indicating better acuity. (wikipedia.org)
  • principle
  • In principle this theoretical analysis should be tied in with detailed surveys of empirical facts about human and animal visual systems (including their neurophysiology - cf. (bham.ac.uk)
  • The VP and morphing methods can also be applied, in principle, to novel virtual objects other than digital embryos, or to virtual versions of real-world objects 9,13 . (jove.com)
  • The Aspect-Perception Passages: A Critical Investigation of K√∂hler's Isomorphism Principle. (philpapers.org)
  • images
  • Virtual objects created in this fashion can be rendered as visual images using a conventional graphical toolkit, with desired manipulations of surface texture, illumination, size, viewpoint and background. (jove.com)
  • Arnheim (1969) associates perception (the images of thought) with the building of cognition stating that there is a link between thought and perception. (tattooconcierge.com)
  • Being able to perceive a visual structure from visible images is being able to build abstractions, and that is the basis for perception and the start of cognition. (tattooconcierge.com)
  • For example, in image recognition, they might learn to identify images that contain cats by analyzing example images that have been manually labeled as "cat" or "no cat" and using the results to identify cats in other images. (wikipedia.org)
  • When participants were given a basic memory test from an array of photos or a lineup, they struggled to accurately identify the images and had low recognition. (wikipedia.org)
  • It can be used, for example, for constructing and manipulating visual images and for representing mental maps. (wikipedia.org)
  • However
  • However, many of these areas are very poorly developed. (wikipedia.org)
  • However, there is no unifying view of V4's role in visual processing. (pubmedcentralcanada.ca)
  • However, the characteristics of dental renewal are presently poorly used, probably because dental formulae are frequently not properly established, whereas they could be of high interest for evolutionary and developmental issues. (jove.com)
  • artificial
  • I shall attempt to analyse some uses of human vision, in the hope of deriving some design constraints and requirements for visual systems for intelligent agents, whether natural or artificial - though I shall identify design requirements for which I do not have design solutions. (bham.ac.uk)
  • For instance, optical character recognition is frequently excluded from "artificial intelligence", having become a routine technology. (wikipedia.org)
  • ability
  • Infant vision concerns the development of visual ability in human infants from birth through the first years of life. (wikipedia.org)
  • Gradually, infants develop the ability to distinguish strips of lines that are closer together. (wikipedia.org)
  • Good perception means that we can read from the object perceived the pertinent generic features, the ones that assemble the skeletal structure of an image, and this ability is not without active thought. (tattooconcierge.com)
  • The traditional problems (or goals) of AI research include reasoning, knowledge, planning, learning, natural language processing, perception and the ability to move and manipulate objects. (wikipedia.org)
  • features
  • Beginning at two months old, infants begin to direct their saccades to the interior of the object, but still focusing on strong features. (wikipedia.org)
  • Based on recent discovery of functionally specific domains in V4, we propose that the unifying function of V4 circuitry is to enable selective extraction of specific functional domain-based networks, whether it be by bottom-up specification of object features or by top-down attentionally driven selection. (pubmedcentralcanada.ca)
  • associate
  • Just as much as Arnheim would do, Guilford underscores that associated with intellectual development, the capacity to find visual constancy over the changing shape determined by changes in context of what was initially considered a single unitary object, and the capacity to associate in homogeneous classes, similar unitary objects become existent. (tattooconcierge.com)
  • methods
  • Towards this goal, methods for quantification of muscle kinematics from ultrasound imagery are being developed based on image processing. (jove.com)
  • Many innovative and useful methods currently exist for creating novel objects and object categories 3-6 (also see refs. (jove.com)
  • Second, the existing methods have difficulty capturing the shape complexity of natural objects 11-13 . (jove.com)
  • Objects and object categories created by these simulations can be further manipulated by various morphing methods to generate systematic variations of shape characteristics 15,16 . (jove.com)
  • observers
  • Our findings reveal that more time is necessary to enable observers judging the nature of the object, compared to judging that there is "something other" than the noise which can be localized, but not recognized. (frontiersin.org)
  • treatments
  • By providing a better understanding of the visual system, future medical treatments for infant and pediatric ophthalmology can be established. (wikipedia.org)
  • awareness
  • In continuous flash suppression (CFS), a dynamic noise masker, presented to one eye, suppresses conscious perception of a test stimulus, presented to the other eye, until the suppressed stimulus comes to awareness after few seconds. (frontiersin.org)
  • Some years ago Tsuchiya and Koch (2005) introduced Continuous Flash Suppression (CFS), a potent technique to preclude a static image from getting access to visual awareness. (frontiersin.org)
  • The dynamic masker occupies visual awareness right from the start of the trial, and its initial dominance epoch lasts up to more than 10 times longer compared to traditional rivalry. (frontiersin.org)
  • details
  • One major method used to measure visual acuity during infancy is by testing an infant's sensitivity to visual details such as a set of black strip lines in a pictorial image. (wikipedia.org)
  • This may be due to the fact that details of unpleasant emotional events are recalled poorly compared to neutral events. (wikipedia.org)
  • Although
  • Visual hallucinations occur in roughly a third of people with schizophrenia, although rates as high as 55% are reported. (wikipedia.org)
  • include
  • Calligraphic design is omnipresent in Islamic art, where, as in Europe in the Middle Ages, religious exhortations, including Qur'anic verses, may be included in secular objects, especially coins, tiles and metalwork, and most painted miniatures include some script, as do many buildings. (wikipedia.org)
  • Visual abnormalities may conflict with proprioceptive information, and visions may include experiences such as the ground tilting. (wikipedia.org)
  • role
  • Neither is there an understanding of how its role in feature processing interfaces with its role in visual attention. (pubmedcentralcanada.ca)
  • We propose that a primary role of V4 is to facilitate figure-ground segmentation of the visual scene. (pubmedcentralcanada.ca)
  • This approach aims to identify the exclusive role of visual inputs. (jove.com)
  • The active role played by perception on cognition, as conceived by Arnheim (1969), does connect to Guilford's (1967) theory on the Structure of the Intellect. (tattooconcierge.com)
  • vision
  • but perhaps what is more plausible is that the objects of synoptic vision are not themselves individuals but concepts. (philpapers.org)
  • second
  • This dental innovation is to date poorly known in rodents, since it is only the second report described. (jove.com)
  • natural
  • If the goal is to study natural object perception, it is desirable for objects and object categories to be naturalistic, so as to avoid possible confounds and special cases. (jove.com)
  • Virtual phylogenesis (VP) creates novel, naturalistic object categories by simulating the evolutionary process of natural selection 9,12,13 . (jove.com)
  • develop
  • In order to understand where and how shrinkage strain and stress develop in such restored teeth, Digital Image Correlation (DIC) was used to provide a comprehensive view of the displacement and strain distributions within model restorations that had undergone polymerization shrinkage. (jove.com)
  • normal
  • Monkeys in restraint, wires coming out of top of skull, left image "normal", right image with electric current being fed into the monkey's brain - note pupil sizes and clenched teeth! (constitution.org)
  • people
  • Islamic art encompasses the visual arts produced from the 7th century onward by people who lived within the territory that was inhabited by or ruled by culturally Islamic populations. (wikipedia.org)