16 Result(s)
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Article
The Effect of Mindfulness and Compassion Meditation on State Empathy and Emotion
Research suggests meditation may increase empathy and emotional engagement. Whilst this may be beneficial in professions where empathy results in greater effectiveness (e.g. psychotherapy), emotional engagemen...
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Article
Orientation and spatial-frequency-specific surround effects on binocular rivalry
The presence of an annular grating surrounding rivaling gratings was found to significantly reduce the dominance of a component that was similar in both spatial frequency and orientation. This effect, which tr...
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Article
Induced rotation: Temporal measures
A stationary pattern surrounded by a rotating annulus is periodically perceived as rotating in the opposite direction. The present paper reports on the effects of velocity, pattern, and contrast on the proport...
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Article
Stimulus variables affecting induced rotation
Dunker (1929/1938) reported that a stationary pattern surrounded by a rotating annulas appears to rotate in the opposite direction. Our experiments show that this rotary induced motion is affecte...
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Article
Color-contingent aftereffects on relative dominance
The relative dominance of percepts in an ambiguous stimulus can be altered by adaptation to an unambiguous stimulus. The present paper demonstrates that this, like other negative aftereffects, can be made colo...
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Article
Spatial frequency processing and the prediction of reading ability: A preliminary investigation
Measures of vocabulary, digit span, and pattern-contrast sensitivity for low- to medium-spatial-frequency gratings were collected from 123 representative prereaders. A multiple regression analysis showed that ...
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Article
Iconic memory: Fallacies persist (?)
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Article
Color-selective adaptation in contrast thresholds for detecting the form but not the motion in moving gratings
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Response times to different spatial frequencies: Is there a 100-msec rule?
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Article
The effect of stimulus duration on the persistence of gratings
The persistence of gratings varying in spatial frequency and exposure duration was measured using a stimulus-blank alternation method. Persistence was found to lengthen with increasing spatial frequency and to...
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Article
Presence and absence of color selectivity in the motion aftereffect
It is controversial whether the magnitude of the motion aftereffect is greater when both inspection and test stimuli are the same color rather than different colors (color selectivity). The present experiments...
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Article
Inhibition between channels selective to contour orientation and wavelength in the human visual system
Recent studies have demonstrated inhibition between channels selective to contour orientation in the human visual system. On the basis of adaptation studies, it has also been suggested that the human visual sy...
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Article
Loss of wavelength selectivity in contour masking and aftereffect following dichoptic adaptation
Two experiments measured the apparent orientation (aftereffect) and the threshold for detection (masking) of a colored grating viewed by one eye after exposure to a colored grating to the same or the opposite ...
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Article
Orientation-specific aftereffects and illusions in the perception of brightness
Orientation-specific brightness aftereffects were found when vertical and horizontal gratings of the same space-average luminance were viewed following alternate exposure to vertical and horizontal gratings th...
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Article
Absence of binocular interaction between spatial and color attributes of visual stimuli
The hypothesis that induction of the McCollough effect (spatially selective color aftereffects) entails adaptation of monocularly driven detectors tuned to both spatial and color attributes of the visual stimu...
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Color-selectivity in simultaneous motion contrast
Thirty-two Ss were required to estimate the apparent motion of stationary vertical lines viewed against a background of moving vertical lines when both patterns were seen by the same eye (monoptic conditions) ...
