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. 66, No. 8, November

Bimodal and Trimodal Multisensory Enhancement: Effects of Stimulus Onset and Intensity on Reaction Time
Manual reaction times to visual, auditory, and tactile stimuli presented simultaneously, or with a delay, were measured to test for multisensory interaction effects in a simple detection task with redundant signals. Responses to trimodal stimulus combinations...
Dynamical Trajectories in Category Learning
Category learning has traditionally been studied by examining how percentage correct changes with experience (i.e., in the form of learning curves). An alternative and more powerful approach is to examine dynamical learning trajectories-that is, to examine...
Location Cuing and Response Time Distributions in Visual Attention
The allocation of visual attention was investigated in two experiments. In Experiment 1 (n = 24), a peripheral cue was presented, and in Experiment 2 (n = 24), a central cue was used. In both experiments, cue validity was 90%, and the task was four-choice...
Nothing Compares 2 Views: Change Blindness Can Occur despite Preserved Access to the Changed Information
Change blindness, the failure to detect visual changes that occur during a disruption, has increasingly been used to infer the nature of internal representations. If every change were detected, detailed representations of the world would have to be stored...
Observing and Engaging in Purposeful Actions with Objects Influences Estimates of Their Size
A ladle was recalled as being taller by participants who observed tedious removal of sand from it with a small teaspoon than by those who observed removal with a larger spoon. A second experiment showed that the number of darts thrown in order to hit...
Oculomotor Correlates of Context-Guided Learning in Visual Search
Previous studies have shown that context-facilitated visual search can occur through implicit learning. In the present study, we have explored its oculomotor correlates as a step toward unraveling the mechanisms that underlie such learning. Specifically,...
Perception of Place-of-Articulation Information in Natural Speech by Monkeys versus Humans
Four monkeys and 6 humans representing five different native languages were compared in the ability to categorize natural CV tokens of /b/ versus /d/ produced by 4 talkers of American English (2 male, 2 female) in four vowel contexts (/i, e, a, u/)....
Rapid Serial Visual Distraction: Task-Irrelevant Items Can Produce an Attentional Blink
When two sequential targets (T1 and T2) are presented within about 600 msec, perception of the second target is impaired. This attentional blink (AB) has been studied by means of two paradigms: rapid serial visual presentation (RSVP), in which targets...
Serial Processing in Melody Identification and the Organization of Musical Semantic Memory
Unlike the visual stimuli used in most object identification experiments, melodies are organized temporally rather than spatially. Therefore, they may be particularly sensitive to manipulations of the order in which information is revealed. Two experiments...
Some Characteristics of Auditory Spatial Attention Revealed Using Rhythmic Masking Release
The tuning of auditory spatial attention with respect to interaural level and time difference cues (ILDs and ITDs) was explored using a rhythmic masking release (RMR) procedure. Listeners heard tone sequences defining one of two simple target rhythms,...
Task- and Location-Switching Effects on Visual Attention
In two experiments, we examined the effects of task and location switching on the accuracy of reporting target characters in an attentional blink (AB) paradigm. Single-character streams were presented at a rate of 100 msec per character in Experiment...
The Mysteries of the Diagonal: Gender-Related Perceptual Asymmetries
In this article, we report a perceptual asymmetry for the two diagonals that is related to gender in that females prefer the diagonal spanning from top right to bottom left (/) whereas males prefer the opposite (\). This relationship is observed in a...
Transfer of Calibration in Length Perception by Dynamic Touch
Earlier studies suggested that the calibration of actions is functionally, rather than anatomically, specific; thus, calibration of an action ought to transfer to actions that serve the same goal (Rieser, Pick, Ashmead, & Garing, 1995). In the present...
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