abstract：:Perception of control is known to affect performance under stress. Two experiments are reported the object of which was to find out how loud noise during a contingency assessment task influences perceived control. Subjects were required to choose one of two responses, note one of two results, and then provide an overa...

journal_title：Perception

authors： Fisher S,Ledwith M

更新日期：1984-01-01 00:00:00

abstract：:Two shapes of either the same or different color will seem to be in smooth apparent motion with like-colored mates, at proper conditions of flash timing and spacing. An experiment is reported in which the condition was tested for unlike-colored pairs, for example red-green alternated with green-red. The question of in...

journal_title：Perception

authors： Kolers PA,Green M

更新日期：1984-01-01 00:00:00

abstract：:When a shape defined by a set of dots plotted along its contour is presented in a sequence of frames within the boundaries of a slit, and in each frame only one dot (featureless frame) or two dots (feature frame) are displayed, a whole moving dotted shape is perceived. Masking techniques and psychophysical measures ha...

journal_title：Perception

authors： Casco C,Morgan M

更新日期：1984-01-01 00:00:00

abstract：:Aftereffects of sustained convergence are generally explained as the result of eye muscle potentiation (EMP). Three implications of this hypothesis for aftereffects in distance perception were tested: (i) According to the EMP hypothesis the aftereffects are based on oculomotor distance cues only. The addition of secon...

journal_title：Perception

authors： Heuer H,Lüschow U

更新日期：1983-01-01 00:00:00

abstract：:Orthogonal gratings, presented dichoptically, do not fuse into a single percept. Parts of each are seen while other parts are suppressed in an unstable perception (binocular rivalry). However, it has been previously noted that, if the gratings are briefly flashed, they will appear to fuse into a plaid or checkerboard ...

journal_title：Perception

authors： Wolfe JM

更新日期：1983-01-01 00:00:00

abstract：:There is some controversy concerning the youngest age at which an infant will habituate to a visual stimulus or will prefer a novel to a familiar pattern. One suggestion has been that apparently successful reports of habituation and dishabituation in the newborn baby are attributable to retinal adaptation. This interp...

journal_title：Perception

authors： Slater A,Morison V,Rose D

更新日期：1983-01-01 00:00:00

abstract：:Response latencies were measured to vibrotactile stimulation delivered to the forefingers of the left or right hands which were positioned ipsilaterally or contralaterally (across the midline) in left or right hemispace. While the two hands did not differ in speed of response, either hand performed better when located...

journal_title：Perception

authors： Bradshaw JL,Nathan G,Nettleton NC,Pierson JM,Wilson LE

更新日期：1983-01-01 00:00:00

abstract：:The effects of visual movement on saccadic eye movement have been examined. In a classic apparent-movement demonstration with two successively exposed line-segment targets the quality of the movement is dependent on the relative orientation of the line segments. If saccadic eye movements are elicited between the targe...

journal_title：Perception

authors： Findlay JM,Zanuttini L

更新日期：1983-01-01 00:00:00

abstract：:The characteristics of human sniffing episodes during odour perception have been described in an earlier paper, where it has been suggested that the techniques used by individuals may be close to those providing optimum perception. To investigate this suggestion, threshold and intensity tests with butanol, cyclohexano...

journal_title：Perception

authors： Laing DG

更新日期：1983-01-01 00:00:00

abstract：:An experiment is described in which photographs of everyday objects were masked by frequency-filtered random visual noise. The masking functions obtained were of the same type as those obtained by masking letters and words with random noise or a pattern mask. That is, the high-frequency mask produced a type A function...

journal_title：Perception

authors： Forster PM

更新日期：1982-01-01 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：:The transfer of learning between normal and monocularly-transformed small-disparity, random-dot stereostimuli has been examined under extended viewing conditions. When the disparity value was constant, transfer of learning between normal and monocularly-transformed stereostimuli was disrupted by both low-frequency and...

journal_title：Perception

authors： Long NR

更新日期：1982-01-01 00:00:00

abstract：:A triangular-wave grating is perceived to fluctuate over time: at one moment it may appear veridical (ie triangular), at another it may more closely resemble a square-wave grating with rounded edges. In addition, the square-wave illusion itself is bistable, in that it sometimes appears to shift in phase by 180 deg. Ex...

journal_title：Perception

authors： Leguire LE,Blake R,Sloane M

更新日期：1982-01-01 00:00:00

abstract：:A technique of monocular eye patching was used to measure the response of infants three and four months old to nasally and temporally placed stimuli at various eccentricities in the visual field. The results indicated a field of field of binocular overlap of approximately 60 deg in infants three months old and 80 deg ...

journal_title：Perception

authors： Finlay D,Quinn K,Ivinskis A

更新日期：1982-01-01 00:00:00

abstract：:Van Tuijl's neon color effect arises in the Ehrenstein figure if a colored cross is added such as to connect the black arms across the central gap. The effect consists of a circular veil of color in the illusory area and has the same hue as the inducing cross. The neon-like coloration is uniform, or when elicited by t...

journal_title：Perception

authors： Redies C,Spillman L

更新日期：1982-01-01 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：:The problem of the origins of the perception of causality in infancy has received relatively little attention in the literature despite its obvious importance. Two experiments with infants 4 1/2 and 8 months old are reported which seek to investigate sensitivity to spatiotemporal continuity in simple causal events wit...

journal_title：Perception

authors： Leslie AM

更新日期：1982-01-01 00:00:00

abstract：:The perceived lightness of grey bars within grey-white and grey-black square-wave test gratings was measured in the presence of different surrounding regions (plain black, plain white, or black-white square-wave gratings). The results for the grey-white test gratings are explained in terms of three separate processes:...

journal_title：Perception

authors： White M

更新日期：1981-01-01 00:00:00

abstract：:In a study of visual dominance based on Rock and Victor's experiments, observers examined well-known objects while receiving conflicting tactual and visual information. In experiment 1 observers simultaneously felt a circular 20 cent coin and looked at it through a lens which transformed the visual image to an oval wi...

journal_title：Perception

authors： Power RP

更新日期：1981-01-01 00:00:00

abstract：:Binocular rivalry was induced between two orthogonal square-wave gratings of the same spatial frequency, luminance, contrast, and field size, presented dichoptically. One of the gratings could be instantly replaced by a third grating differing only in orientation. In one experiment subjects were required to respond as...

journal_title：Perception

authors： O'Shea RP,Crassini B

更新日期：1981-01-01 00:00:00

abstract：:When a random-dot screen is used as a background for Ehrenstein figures, brightness enhancement is replaced by a change of grain and structure. Dots in the illusory area appear less densely packed and may be perceived as concentrically organized. When the screen is moved with respect to the Ehrenstein figures, the ill...

journal_title：Perception

authors： Spillmann L,Redies C

更新日期：1981-01-01 00:00:00

abstract：:Subjects were exposed to an optical rotation of visual reafferences from hand movements. This is known to produce visuomotor adaptation. An experiment is reported where it also induced a perceptual aftereffect measured as a displacement of the apparent vertical and as an ocular cyclotorsion, both in the direction of t...

journal_title：Perception

authors： Courjon JH,Jeannerod M,Prablanc C

更新日期：1981-01-01 00:00:00

abstract：:By analyzing the projection plane in terms of the projected size of different elements on a surface, it is shown how the direction of the perpendicular, from the station point to the surface, is an important variable in the derivation of the slant angle. It is also shown that the test surfaces used in traditional slan...

journal_title：Perception

authors： Perrone JA

更新日期：1980-01-01 00:00:00

abstract：:Observers appear to perceive the paths of abstract centers of point-light configurations in making judgments about movement. For configurations on rolling wheels a metric was derived that described the relative vertical motion of this point. It was hypothesized that the smaller the metric the more the stimulus should ...

journal_title：Perception

authors： Proffitt DR,Cutting JE

更新日期：1980-01-01 00:00:00

abstract：:Subjects were presented with projections of either rectangular or elliptic forms which appeared either on their own or upon the following figures: (a) a face of a portrayed cube, (b) a parallelogram identical with (a), and (c) a rectangle of equal width and area to (a). Four different angles of projection were used fo...

journal_title：Perception

authors： Kaess DW,Deregowski JB

更新日期：1980-01-01 00:00:00

abstract：:It is generally believed that there is an absolute disparity limit for binocular fusion; objects with disparities within this limit, known as Panum's fusional area, will appear fused and single, while objects with disparities outside the limit appear double. It is demonstrated, however, that the disparity gradient, ra...

journal_title：Perception

authors： Burt P,Julesz B

更新日期：1980-01-01 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：:Subjects viewed the Kanizsa triangle under conditions of visual masking. Depending on the type of mask employed, the triangle could be perceived when the inducing discs were not phenomenally present, or the discs could be seen with the triangle not present. These findings suggest that no single set of mechanisms, phys...

journal_title：Perception

authors： Gellatly AR

更新日期：1980-01-01 00:00:00

abstract：:Black and white stripes were used to induce a tilt aftereffect near the blind spot. Stripe fragments on either side of the blind spot were seen as being completed across the blind spot, but the magnitude of the tilt aftereffect they induced suggested that the perceptually "filled-in" portions of the stripes did not co...

journal_title：Perception

authors： Cumming G,Friend H

更新日期：1980-01-01 00:00:00

abstract：:This paper is about kinds of visual ambiguity that concern the author as a painter. Some effects of incompatible depth cues on the experience of looking at paintings and drawings are discussed. Particular attention is given to the role of colour as a depth cue. It is suggested that areas of identical pigmentation on d...

journal_title：Perception

authors： Pratt F

更新日期：1979-01-01 00:00:00

abstract：:It is argued that the experiment carried out by Bross et al is not a valid test of assimilation theory because they confuse a graphic representation of a constant with the construct itself and assume that changing the former will alter the latter. ...

journal_title：Perception

authors： Pressey AW

更新日期：1979-01-01 00:00:00

abstract：:Surfaces possessing steep variations in depth present severe difficulties for orientationally tuned filter models of stereopsis. These difficulties are discussed in connection with a random-dot stereogram depicting a surface with steep horizontal corrugations. As expected on theoretical grounds, we find that a vertica...

journal_title：Perception

authors： Mayhew JE,Frisby JP

更新日期：1979-01-01 00:00:00

abstract：:There was no significant change in flow rates of parotid saliva in nineteen of twenty subjects while they viewed photographs of lemons, or in fourteen of twenty subjects while they cut lemons in a glove box. Neither parotid nor whole-mouth secretion changed from baseline when subjects viewed fresh lemons and lemonade ...

journal_title：Perception

authors： Pangborn RM,Witherly SA,Jones F

更新日期：1979-01-01 00:00:00

abstract：:Visual acuity for the detection of gratings at four orientations was measured for groups of ten boys and ten girls aged five to seven years, from the following four populations: Scots in Glasgow, Pakistanis in Glasgow, Gaels in Stornoway (Outer Hebrides) and East Anglians in Littleport (Cambridgeshire fenlands). The G...

journal_title：Perception

authors： Ross HE,Woodhouse JM

更新日期：1979-01-01 00:00:00

abstract：:In an earlier paper, Caelli and Finlay demonstrated that the perception of apparent motion was contingent on critical phase relationships between inducing sources, and their spatio-temporal frequency ranges. In their original stimulus red-green centre-surround sources were used and phase-specific inhibition was found ...

journal_title：Perception

authors： Finlay D,Caelli T

更新日期：1979-01-01 00:00:00

abstract：:The tilt illusion (TI) was investigated by using both short (19 min) and long (2 deg 6 min) test lines, at three angles of test line-inducing line separation (15 degrees, 45 degrees, and 75 degrees). Three groups of ten observers each provided data under one of three task conditions: vertical judgment, parallel matchi...

journal_title：Perception

authors： Wenderoth P,Parkinson A,White D

更新日期：1979-01-01 00:00:00

abstract：:For long periods observers fixated low spatial frequency coloured gratings. Black and white test gratings of the same spatial frequency and orientation as the adapting gratings appeared coloured with the hue complementary to the adapting patterns when the dark test stripes fell on retinal areas previously occupied by ...

journal_title：Perception

authors： Stromeyer CF 3rd,Dawson BM

更新日期：1978-01-01 00:00:00

abstract：:Visual object recognition was investigated in a group of eighty-one patients with right- or left-hemisphere lesions. Two tasks were used, one maximizing perceptual categorization by physical identity, the other maximizing semantic categorization by functional identity. The right-hemisphere group showed impairment on t...

journal_title：Perception

authors： Warrington EK,Taylor AM

更新日期：1978-01-01 00:00:00

abstract：:The role of apparent depth features and the proximity of the test lines to the adjacent contours in the actuation of the Ponzo illusion was examined. Six versions of the Ponzo figure were employed: a standard Ponzo figure and five modified figures in which the test lines varied in orientation (horizontal or vertical) ...

journal_title：Perception

authors： Schiffman HR,Thompson JG

更新日期：1978-01-01 00:00:00

abstract：:Subjects listened to descriptions of familiar objects and the spatial relations between them and attempted to visualize these objects as a composite scene. The time taken to generate a composite visual image, measured from the end of the verbal description, increased dramatically and linearly with the number of object...

journal_title：Perception

authors： Beech JR,Allport DA

更新日期：1978-01-01 00:00:00