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. 2, February

Compensation for Coarticulation Reflects Gesture Perception, Not Spectral Contrast
This article reports three experiments designed to explore the basis for speech perceivers' apparent compensations for coarticulation. In the first experiment, the stimuli were members of three /da/-to-/ga/ continua hybridized from natural speech. The...
Effect of Distractor Sounds on the Auditory Attentional Blink
Four experiments were conducted to determine whether or not the presence and placement of distractors in a rapid serial auditory stream has any influence on the emergence of the auditory attentional blink (AB). Experiment 1 revealed that the presence...
Effect of Structuring the Workspace on Cognitive and Sensorimotor Distance Estimation: No Dissociation between Perception and Action
Independent processing of visual information for perception and action is supported by studies about visual illusions, which showed that context information influences overt judgment but not reaching attempts. The objection was raised, however, that...
Effects of Color Heterogeneity on Subitization
Small numbers of items can be enumerated rapidly and accurately via a process termed subitizing. In two experiments, we examined the effect of target color heterogeneity on subitizing efficiency. In contrast to the findings of Puts and de Weert (1997),...
Factors Affecting Curved versus Straight Path Heading Perception
Displays commonly used for testing heading judgments in the presence of rotations are ambiguous to observers. They can be interpreted equally well as motion in a straight line while rotating the eyes or as motion on a curved path. This has led to conflicting...
Gaze Cues Evoke Both Spatial and Object-Centered Shifts of Attention
When someone observes another individual suddenly shifting gaze, the observer's attention automatically and rapidly orients to the same location. Such gaze cuing of attention has properties similar to those of exogenous cuing. We investigated whether...
Is It Impossible to Inhibit Isoluminant Items, or Does It Simply Take Longer? Evidence from Preview Search
Visual search can be facilitated when participants receive a preview of half the distractors (the preview benefit in search; Watson & Humphreys, 1997). Donk and Theeuwes (2001) have argued that preview-based benefits are abolished if the display...
Just like New: Newly Segregated Old Objects Capture Attention
Subjects searched for target letters that were either contained in or segregated from a group of distracting letters and were either moving or stationary. Subjects were faster to identify targets that had recently become segregated from the group regardless...
Modeling the Effects of Payoff on Response Bias in a Perceptual Discrimination Task: Bound-Change, Drift-Rate-Change, or Two-Stage-Processing Hypothesis
Three hypotheses-the bound-change hypothesis, drift-rate-change hypothesis, and two-stage-processing hypothesis-are proposed to account for data from a perceptual discrimination task in which three different response deadlines were involved and three...
Parallel Response Selection in Dual-Task Situations
Semantic priming and response priming were studied in a dual-task procedure. In two experiments, reaction times to the first and second stimuli were faster when the finger required for the Task 1 response was the same as the finger required for the Task...
Putting Phonetic Context Effects into Context: A Commentary on Fowler (2006)
On the basis of a review of the literature and three new experiments, Fowler (2006) concludes that a contrast account for phonetic context effects is not tenable and is inferior to a gestural account. We believe that this conclusion is premature and...
Selective Attention as Tuning: The Case of Stroke Weight
It has long been demonstrated that when grouping occurs, attention transfer between grouped elements is facilitated, as compared with attention transfer between elements-similarly distant-that are not grouped. This has been shown for grouping by connectedness,...
Semantic Inhibition of Return Is the Exception Rather Than the Rule
Inhibition of return (IOR) has recently been reported for lexical/semantic categories (see, e.g., Fuentes, Vivas, & Humphreys, 1999). The present research examines the impact on semantic IOR of three components: item repetition, item heterogeneity,...
Taste-Aroma Interactions in a Ternary System: A Model of Fruitiness Perception in Sucrose/acid Solutions
Cross-modal interactions between aroma, sweetness, and acidity were studied. A series of samples was presented to trained panelists who assessed strawberry flavor intensity using magnitude estimation with a reference modulus. The delivery of aroma stimuli...
Two Kinds of Visual Perspective Taking
Visual perspective taking can be used to determine where objects are located relative to another agent, or whether the agent can see a particular object. Four experiments indicated that different processes provide these different kinds of information....
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