Perception and Psychophysics

Covers all areas of research in sensory processes, perception, attention, and psychophysics. Includes reports on experimental work, reviews, and issue commentary important to researchers.

Articles from Vol. 71, No. 1, January

Aging and the Perception of Slant from Optical Texture, Motion Parallax, and Binocular Disparity
The ability of younger and older observers to perceive surface slant was investigated in four experiments. The surfaces possessed slants of 20°, 35°, 50°, and 65°, relative to the frontoparallel plane. The observers judged the slants using either a palm...
A New Beginning
As I imagine you have noticed, the journal you hold in your hands or on your monitor has changed. At the very least, you will have noticed that the journal has a new name, Attention, Perception, & Psychophysics. It has a new editorial board, new...
Comparison of Perceptual and Motor Latencies Via Anticipatory and Reactive Response Times
To compare the timing of perceptual and motor decisions, distinct tasks have been designed, all of which have yielded systematic differences between these two moments. These observations have been taken as evidence of a sensorimotor dissociation. Inasmuch...
Conditions Required for Binocular Rivalry Suppression
When the two eyes are presented with incompatible stimuli, the two monocular stimuli are seen alternately in a never-ending cycle. It is now widely accepted that the neural processes underlying this phenomenon, binocular rivalry, are distributed across...
Individual Differences in Learning to Perceive Length by Dynamic Touch: Evidence for Variation in Perceptual Learning Capacities
Recent studies of perceptual learning have explored and commented on variation in learning trajectories. Although several factors have been suggested to account for this variation, thus far the idea that humans vary in their perceptual learning capacities...
Perceived Range, Perceived Velocity, and Perceived Duration of the Body Rotating in the Frontal Plane
We investigated perceived range, perceived velocity, and perceived duration of the body rotating in the frontal plane (in roll). Specifically, to examine how shear to the otoliths in the inner ears and tactile pressure to the trunk affect judgments of...
Relations between Uniform Connectedness, Luminance, and Shape Similarity as Perceptual Organizational Cues in Infancy
Although several studies have examined infants' sensitivity to perceptual organizational cues, few have examined the functional relations among these cues. We examined how uniform connectedness (UC) functions in relation to shape and luminance similarity....
Sensory Noise Explains Auditory Frequency Discrimination Learning Induced by Training with Identical Stimuli
Thresholds in various visual and auditory perception tasks have been found to improve markedly with practice at intermediate levels of task difficulty. Recently, however, there have been reports that training with identical stimuli, which, by definition,...
Shape Memory for Intrinsic versus Accidental Holes
Two experiments were performed to investigate the circumstances under which the shape of a visual hole is perceived and remembered. A distinction is made between an intrinsic hole, a surrounded region that is bordered on all sides by a single surface...
Spatial Acuity and Summation on the Hand: The Role of Thermal Cues in Material Discrimination
The spatial characteristics of thermal perception were studied in two experiments that examined how thermal stimuli are processed within the hands. A thermal display that simulates cues associated with making contact with different materials was used...
Spatial Updating in Superimposed Real and Virtual Environments
Wang (2004) showed that people do not always simultaneously update their relationships to real and imagined environments in a dual-environment situation. Employing the same paradigm, we examined whether spatial updating operates on virtual reality as...
Speech Intelligibility Reduces over Distance from an Attended Location: Evidence for an Auditory Spatial Gradient of Attention
Speech reception thresholds (SRTs) were measured at a central focus of attention and at 20°, 40°, and 60° locations distant in azimuth. Measurements were taken with one target collocated with two maskers, or with maskers flanking the target by ±20°....
Symmetrical Interaction of Sex and Expression in Face Classification Tasks
Classification of faces as to their sex or their expression-with sex and expression varying orthogonally-was studied in three experiments. In Experiment 1, expression classification was influenced by sex, with angry male faces being classified faster...
The Development of Depth Perception from Motion Parallax in Infancy
Little is known about infants' perception of depth from motion parallax, even though it is known that infants are sensitive both to motion and to depth-from-motion cues at an early age. The present experiment assesses whether infants are sensitive to...
The Effect of Pictorial Depth Information on Projected Size Judgments
When full depth cues are available, size judgments are dominated by physical size. However, with reduced depth cues, size judgments are influenced less by physical size and more by projected size. By manipulating monocularly presented pictorial depth...
The Effect of the Observer Vantage Point on Perceived Distortions in Linear Perspective Images
Some features of linear perspective images may look distorted. Such distortions appear in two drawings by Jan Vredeman de Vries involving perceived elliptical, instead of circular, pillars and tilted, instead of upright, columns. Distortions may be due...
The Effects of Implicit Attentional Learning and Habituation on Inhibition of Return
In two experiments, the effects of implicit attentional learning and habituation on inhibition of return (IOR) were assessed. Experiment 1 consisted of an informative variant of the spatial cuing paradigm (Posner, 1980), with the target appearing most...
The Horizon Line, Linear Perspective, Interposition, and Background Brightness as Determinants of the Magnitude of the Pictorial Moon Illusion
A total of 110 undergraduate students participated in a series of three experiments that explored the magnitude of the moon illusion in pictures. Experiment 1 examined the role of the number and salience of depth cues and background brightness. Experiment...
The Role of Parity, Physical Size, and Magnitude in Numerical Cognition: The SNARC Effect Revisited
People indicate the physical size or the parity status of small numbers faster by a left-hand key and those of larger numbers by a right-hand key. Because magnitude information is not required for successful performance in these tasks, the presence of...
The Role of Peripheral Vision in Implicit Contextual Cuing
Implicit contextual cuing refers to the ability to learn the association between contextual information of our environment and a specific target, which can be used to guide attention during visual search. It was recently suggested that the storage of...
Unconscious Processing of Color and Form in Metacontrast Masking
Three experiments employed a metacontrast masking procedure to examine the extent and nature of priming effects from visual stimuli not consciously perceived. The results showed effects of unconscious stimuli on subsequent target responses that (1) were...
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