Geometric and perceptual effects of the location of the observer vantage point for linear-perspective images.

abstract：:We show that transient attention summoned by an exogenous cue shows rapid learning of the relationship between the cue and a subsequent target in a discrimination task. In experiment 1, performance was unaffected when a target always appeared in the same position on a large cue, but was degraded when the target could ...

journal_title：Perception

authors： Kristjánsson A,Mackeben M,Nakayama K

更新日期：2001-01-01 00:00:00

abstract：:A cricket or baseball fielder can run so as to arrive at just the right place at just the right time to catch a ball. It is shown that if the fielder runs so that d2(tan alpha)/dt2 = 0, where alpha is the angle of elevation of gaze from fielder to ball, then the ball will generally be intercepted before it hits the gr...

journal_title：Perception

authors： Dienes Z,McLeod P

更新日期：1993-01-01 00:00:00

abstract：:Duration of visual persistance of sine-wave gratings of 1,2,4,8,12, and 16 cycles deg-1 was determined for seven-year-old, ten-year-old, and thirteen-year-old children. It was found that there was a decrease in persistence duration with age but the slope of this function for the different age groups did not change. ...

journal_title：Perception

authors： Lovegrove W,Heddle M

更新日期：1980-01-01 00:00:00

abstract：:Outline pictures depict surface edges, and via extensions from this base they can represent sensory and psychological referents. Outline drawings standing for edges of surfaces are relatively ancient, and lines for actions, sounds, and psychological states quite recent--mostly little more than a century. The novel fin...

journal_title：Perception

authors： Kennedy JM

更新日期：2009-01-01 00:00:00

abstract：:We compared the contribution and the effectiveness of modulating the orientation perception of two types of visual information: the visual frame and the visual polarity of objects. In experiment 1, we examined the effect of a square frame, a mouse, an elephant, and a map of France on the apparent vertical. In the upri...

journal_title：Perception

authors： Cian C,Raphel C,Barraud PA

更新日期：2001-01-01 00:00:00

abstract：:We present two experiments that examine sensory processing during conditions of inattentional blindness. A large rectangular frame that normally induces a Roelofs effect can go unreported due to inattentional blindness. Even when participants fail to report the frame, they mislocalize an attended target in a way consi...

journal_title：Perception

authors： Lathrop WB,Bridgeman B,Tseng P

更新日期：2011-01-01 00:00:00

abstract：:Two experiments examined the effect of object substitution masking (OSM) on the perceptual errors in reporting the orientation of a target. In Experiment 1, a four-dot trailing mask was compared with a simultaneous-noise mask. In Experiment 2, the four-dot and noise masks were factorially varied. Responses were modell...

journal_title：Perception

authors： Pilling M,Guest D,Andrews M

更新日期：2019-02-01 00:00:00

abstract：:Under suitable conditions, pupillary dilation is a reliable index of processing activity. Pupil size was tracked in male and female observers following the presentation of face stimuli for an age-judgment task. The eyes on the faces were either directed towards the observer or deviated to the side. Pupil dilation acco...

journal_title：Perception

authors： Porter G,Hood BM,Troscianko T

更新日期：2006-01-01 00:00:00

abstract：:Individual speechreading abilities have been linked with a range of cognitive and language-processing factors. The role of specifically visual abilities in relation to the processing of visible speech is less studied. Here we report that the detection of coherent visible motion in random-dot kinematogram displays is r...

journal_title：Perception

authors： Mohammed T,Campbell R,MacSweeney M,Milne E,Hansen P,Coleman M

更新日期：2005-01-01 00:00:00

abstract：:In recent years a growing interest has emerged in numerosity perception in touch. Most of the studies on tactile numerosity perception have investigated its spatial aspect by testing the ability to count the number of items presented simultaneously. On the other hand, only a small number of studies have examined its t...

journal_title：Perception

authors： Iida N,Kuroki S,Watanabe J

更新日期：2016-01-01 00:00:00

abstract：:Prolonged observation of a stationary grating has a number of perceptual consequences. Initially the lines appear well-resolved and straight. The lines then take on a wavy and oscillating appearance, which is followed by scintillation of the pattern. The scintillations are often accompanied by cloudy disappearances of...

journal_title：Perception

authors： Wade NJ

更新日期：1977-01-01 00:00:00

abstract：:The model of inhibitory interaction between orientation detectors was examined by prolonged presentation of grating patterns (which was expected to induce orientation-selective adaptation) before measurement of the Zöllner illusion. Adaptation effects were measured under conditions which excluded intrusion by the tilt...

journal_title：Perception

authors： Morikawa K

更新日期：1987-01-01 00:00:00

abstract：:In a geometrical figure in which long vertical lines are each crossed by a series of short oblique lines, an illusory effect is obtained such that the orientations of the long lines are perceived as nonvertical and shifted away from the orientation of the oblique lines (the Zöllner illusion). In addition, the vertical...

journal_title：Perception

authors： Earle DC,Maskell SJ

更新日期：1995-01-01 00:00:00

abstract：:Roncato and Casco (2003, Perception & psychophysics 65 1252-1272) had shown that in situations where the Gestalt principle of good continuity is put into conflict with preservation of contrast polarity (CP) the perception that preserves CP prevails. Parlangeli and Roncato (2010, Perception 39 255-259) have studied thi...

journal_title：Perception

authors： McCormick MC,Hon AJ,Huang AE,Altschuler EL

更新日期：2012-01-01 00:00:00

abstract：:In this paper we demonstrate the existence of simultaneous lightness contrast in displays in which the target patches are both more luminant than their surrounds. These effects are not predicted by theories of lightness that assume that the highest luminance in a scene is perceived as white, and anchors all the other ...

journal_title：Perception

authors： Bressan P,Actis-Grosso R

更新日期：2001-01-01 00:00:00

abstract：:The past two decades have seen remarkable advances in photo-realistic rendering of everything from inanimate objects to landscapes, animals, and humans. We previously showed that despite these tremendous advances, human observers remain fairly good at distinguishing computer-generated from photographic images. Buildin...

journal_title：Perception

authors： Mader B,Banks MS,Farid H

更新日期：2017-09-01 00:00:00

abstract：:Perception of raised-line pictures in blindfolded-sighted, congenitally blind, late-blind, and low-vision subjects was studied in a series of experiments. The major aim of the study was to examine the value of perspective drawings for haptic pictures and visually impaired individuals. In experiment 1, subjects felt tw...

journal_title：Perception

authors： Heller MA,Brackett DD,Scroggs E,Steffen H,Heatherly K,Salik S

更新日期：2002-01-01 00:00:00

abstract：:The word-length effect may indicate whether reading is proceeding in an efficient whole-word fashion or by serial letter processing. If it is an index of an orientation-dependent expert reading mechanism, then it should show an inversion effect, with a large difference between upright and upside-down text that is spec...

journal_title：Perception

authors： Björnström LE,Hills C,Hanif H,Barton JJ

更新日期：2014-01-01 00:00:00

abstract：:In the Jastrow size illusion, two vertically stacked but offset stimuli of identical size are misperceived such that the bottom stimulus is overestimated relative to the top stimulus due to their spatial layout. In this study, we explored whether nonhuman primates perceive this geometric illusion in the same manner as...

journal_title：Perception

authors： Agrillo C,Beran MJ,Parrish AE

更新日期：2019-05-01 00:00:00

abstract：:Since most natural surfaces are complex and vary in amplitude and spatial frequency, it might be interesting to consider gratings not in the spatial domain, but in the spatial-frequency domain. Detection thresholds for amplitude modulation (AM) and frequency modulation (FM) in sinusoidal gratings were measured for sev...

journal_title：Perception

authors： Nefs HT,Kappers AM,Koenderink JJ

更新日期：2003-01-01 00:00:00

abstract：:The accuracy and consistency of absolute pitch (AP) judgments have been measured on three subjects in two longitudinal studies separated by twenty years. The drifts and cyclical variations observed in the earlier study still persisted, and an investigation of two other subjects, one of whom was first studied forty yea...

journal_title：Perception

authors： Wynn VT

更新日期：1993-01-01 00:00:00

abstract：:The perceptually bistable character of point-light walkers has been examined in three experiments. A point-light figure without explicit depth cues constitutes a perfectly ambiguous stimulus: from all viewpoints, multiple interpretations are possible concerning the depth orientation of the figure. In the first experim...

journal_title：Perception

authors： Vanrie J,Dekeyser M,Verfaillie K

更新日期：2004-01-01 00:00:00

abstract：:This is the first study to test the extent to which reflections help locate objects in space and perceive their size. For planar mirrors, the relative size of a target and its reflection is informative about the absolute distance of the target in units of the distance between target and mirror surface. When the target...

journal_title：Perception

authors： Jones LA,Bertamini M

更新日期：2007-01-01 00:00:00

abstract：:A new visual illusion is presented. When two neon-coloured illusory bands overlap each other, the filling-in at the region of overlap is perceived as different from those of the overlapping bands, resulting in an additional illusory shape at the region of overlap. An experiment with ten naïve participants was performe...

journal_title：Perception

authors： von LR

更新日期：2002-01-01 00:00:00

abstract：:Underwood (1975) has used judgments of duration to compare the attentional demands of learning and recall. His study is critically discussed and two further experiments are reported. In experiment 1 subjects spent 50 s learning a list of words and a further 50 s either trying to recall them or learning another list. I...

journal_title：Perception

authors： Gray C

更新日期：1982-01-01 00:00:00

abstract：:"Which weighs more--a pound of lead or a pound of feathers?" The seemingly naive answer to the familiar riddle is the pound of lead. The correct answer, of course, is that they weigh the same amount. We investigated whether the naive answer to the riddle might have a basis in perception. When blindfolded participants ...

journal_title：Perception

authors： Wagman JB,Zimmerman C,Sorric C

更新日期：2007-01-01 00:00:00

abstract：:Perception of face parts on the basis of features is thought to be different from perception of whole faces, which is more based on configural information. Face context is also suggested to play an important role in face processing. To investigate how face context influences the early-stage perception of facial local ...

journal_title：Perception

authors： Zhang H,Sun Y,Zhao L

更新日期：2017-09-01 00:00:00

abstract：:Two experiments are reported with young Down's syndrome and normal children matched for mental age, sex, and social class. In one, Down's syndrome children performed at chance level on two tactual--visual cross-modal tasks, and only the oldest succeeded with one of two visual--visual within-modal tasks. The modal chil...

journal_title：Perception

authors： Lewis VA,Bryant PE

更新日期：1982-01-01 00:00:00

abstract：:Phenomena associated with 'central visual persistences' (CPs) are new to both medical and psychological literature. Five subjects have reported similar CPs: positive afterimages following brief fixation of high-contrast objects or drawings and eye closure. CPs duplicate shapes and colors of single objects, lasting for...

journal_title：Perception

authors： Ingle D

更新日期：2005-01-01 00:00:00

abstract：:A study is reported which shows that accommodation can be stimulated by a blur stimulus which is below the threshold for visual perception. It is also shown that perceptual fading of the target, caused by stabilization of the retinal image (Troxler phenomenon), can eliminate the accommodative response causing it to de...

journal_title：Perception

authors： Kotulak JC,Schor CM

更新日期：1986-01-01 00:00:00