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. 68, No. 5, July

Acuity of Auditory Images in Pitch and Time
We examined the pitch and temporal acuity of auditory expectations/images formed under attentional-cuing and imagery task conditions, in order to address whether auditory expectations and auditory images are functionally equivalent. Across three experiments,...
Contextual Cuing Based on Spatial Arrangement of Color
Previous studies have demonstrated that, in visual search, repetition of a target's "context" significantly improves search performance (contextual cuing; Chun & Jiang, 1998). Context in those studies was defined as either spatial configuration or...
Cross-Trial Priming in Visual Search for Singleton Conjunction Targets: Role of Repeated Target and Distractor Features
Kristjánsson, Wang, and Nakayama (2002) demonstrated that visual search for conjunctively defined targets can be substantially expedited ("primed") when target and distractor features are repeated on consecutive trials. Two experiments were conducted...
Does Attention Alter Appearance?
Abrupt onsets in the visual field can change the appearance of subsequent stimuli, according to one interpretation, by engaging an attentional mechanism that increases effective stimulus contrast However, abrupt onsets can also engage capacity-unlimited...
Effects of the Orientation of Moving Objects on the Perception of Streaming/bouncing Motion Displays
In this study, we examined the contribution of the orientation of moving objects to perception of a streaming/bouncing motion display. In three experiments, participants reported which of the two types of motion, streaming or bouncing, they perceived....
Figure-Ground Assignment in Pigeons: Evidence for a Figural Benefit
Four pigeons discriminated whether a target spot appeared on a colored figural shape or on a differently colored background by first pecking the target and then reporting its location: on the figure or the background. We recorded three dependent variables:...
Hierarchical Attention in Discriminating Objects at Different Levels of Specificity
An implicit assumption of studies in the attentional literature has been that global and local levels of attention are involved in object recognition. To investigate this assumption, a divided attention task was used in which hierarchical figures were...
More Than Meets the Eye: The Effect of Planned Fixations on Scene Representation
Scene memory frequently includes a swath of unseen layout beyond a photograph's boundaries (boundary extension [BE]; Intraub & Richardson, 1989). Might it be affected by the viewer's plan to shift fixation near a view boundary? When photographs were...
Perception of Heading without Retinal Optic Flow
How do we determine where we are heading during visually controlled locomotion? Psychophysical research has shown that humans are quite good at judging their travel direction, or heading, from retinal optic flow. Here we show that retinal optic flow...
Sequential Effects in Successive Ratio Estimation
Sequential effects are examined in four successive ratio estimation (RE) experiments. The procedure in successive RE is identical to that for magnitude estimation (ME), but the task in successive RE is to estimate the ratio of the current to the previous...
The Effects of Stimulus Rotation and Familiarity in Visual Search
Rauschenberger and Yantis (2006) observed that an intersecting circle-line combination enjoyed significantly greater search efficiency when it was oriented to resemble a "Q" than when it was oriented so that the intersecting line was vertical (cf. Treisman...
Understanding the Object Benefit in Visual Short-Term Memory: The Roles of Feature Proximity and Connectedness
Past research has identified visual objects as the units of information processing in visual short-term memory (VSTM) and has shown that two features from the same object can be remembered in VSTM as well (or almost as well) as one feature of that object...
Visual Search for a Circular Region Perceived as a Figure versus as a Hole: Evidence of the Importance of Part Structure
To study contour curvature polarity, we compared strictly convex regions (circular figures) with strictly concave regions (circular holes). We tested for an asymmetry between visual searches for concavities and those for convexities. We found that providing...
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