Perception & Psychophysics
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Second choices in a visual span of apprehension task
Perception & Psychophysics - Tập 2 - Trang 307-311 - 1967
Four Ss were run in a visual span of apprehension experiment to determine whether second choices made following incorrect first responses are at the chance level, as implied by various high threshold models proposed for this situation. The relationships between response biases on first and second choices, and between first choice biases on trials with two or three possible responses, were also exa......
Asymmetries and errors in perception of depth from disparity suggest a multicomponent model of disparity processing
Perception & Psychophysics - Tập 59 - Trang 219-231 - 1997
In three experiments, asymmetries between the processing of crossed and uncrossed disparities were investigated. The target was a luminance-defined circle concentric to a fixation mark, viewed stereoscopically on a computer monitor for 105 msec. Fifteen disparities were presented according to the method of constant stimuli. Observers indicated the apparent direction of target depth relative to fix......
Some observations on the Poggendorff and Müller-Lyer tactual illusions
Perception & Psychophysics - Tập 39 - Trang 374-380 - 1986
Two experiments were conducted in which illusory and nonillusory figures were presented in the right and left tactual fields. Experiment 1 used 24 men (aged 18–24 years) and the Poggendorff (P) illusion and an alignment (Al) task; Experiment 2 used another 24 men and the Müller-Lyer (ML) illusion and a line-match (Lm) task. Standard and mirror-image presentations of the figure were used in each ca......
Heading and path information from retinal flow in naturalistic environments
Perception & Psychophysics - - 1997
In four experiments, we explored the heading and path information available to observers as we simulated their locomotion through a cluttered environment while they fixated an object off to the side. Previously, we presented a theory about the information available and used in such situations. For such a theory to be valid, one must be sure of eye position, but we had been unable to monitor gaze s......
Distance perception mediated through nested contact relations among surfaces
Perception & Psychophysics - Tập 63 - Trang 1-15 - 2001
In complex natural scenes, objects at different spatial locations can usually be related to each other through nested contact relations among adjoining surfaces. Our research asks how well human observers, under monocular static viewing conditions, are able to utilize this information in distance perception. We present computer-generated naturalistic scenes of a cube resting on a platform, which i......
Influence of a stereo surface on the perceived tilt of a monocular line
Perception & Psychophysics - Tập 63 - Trang 607-624 - 2001
This study addressed the issue of how a stereo-specified surface influences the perceived twodimensional orientation of a monocularly viewed line. In a series of three experiments, it was found that, in general, when a monocular line was embedded in a disparity field specifying a planar surface slanted about the horizontal axis, the tilt of the line depended on the slant of the surface in which it......
The subjective estimation of relative syllable frequency
Perception & Psychophysics - Tập 16 - Trang 193-196 - 1974
Ss are able to judge the relative frequency of occurrence in English of nonmorphemic syllables independent of phoneme frequency. The results support a theory of speech perception based on the syllable as a unit as opposed to the phoneme.
Operator behavior in a dynamic visual signal detection task
Perception & Psychophysics - Tập 4 - Trang 5-9 - 1968
The effects of changes in signal-to-noise ratio (SIN) and feedback state on the operator’s detection behavior, particularly derived operator thresholds, were investigated using a discrete visual signal. It was found that: (1) the operator behaves as if he has established different thresholds as a function of S/N; (2) his decision thresholds are relatively independent of the presence or absence of ......
Detection of symmetry in tachistoscopically presented dot patterns: Effects of multiple axes and skewing
Perception & Psychophysics - - 1991
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