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. 69, No. 4, May

Concurrent Task Performance Enhances Low-Level Visuomotor Learning
Visuomotor association learning involves learning to make a motor response to an arbitrary visual stimulus. This learning is essential for visual search and discrimination performance and is reliant upon a well-defined neural circuit in the brain that...
Deployment of Spatial Attention to Words in Central and Peripheral Vision
Four perceptual identification experiments examined the influence of spatial cues on the recognition of words presented in central vision (with fixation on either the first or last letter of the target word) and in peripheral vision (displaced left or...
Do "Mudsplashes" Induce Tactile Change Blindness?
The phenomenon of change blindness (the surprising inability of people to correctly perceive changes between consecutively presented displays), primarily reported in vision, has recently been shown to occur for positional changes presented in tactile...
Feature-Based Attention Influences Later Temporal Perception
We investigated the influence of feature-based visual attention on later temporal perception. Although there is ample evidence that space-based attention modulates temporal perception, it is not known whether feature-based attention also serves this...
Interrupting the Cascade: Orienting Contributes to Decision Making Even in the Absence of Visual Stimulation
Most systematic studies of human decision making approach the subject from a cost analysis point of view and assume that people make the highest utility choice. Very few articles investigate subjective decision making, such as that involving preference,...
Multimodal Access to Verbal Name Codes
Congruent information conveyed over different sensory modalities often facilitates a variety of cognitive processes, including speech perception (Sumby & Pollack, 1954). Since auditory processing is substantially faster than visual processing, auditory-visual...
Multisensory Numerosity Judgments for Visual and Tactile Stimuli
To date, numerosity judgments have been studied only under conditions of unimodal stimulus presentation. It is therefore unclear whether the same limitations on correctly reporting the number of unimodal visual or tactile stimuli presented in a display...
Perceiving the Numerosity of Rapidly Occurring Auditory Events in Metrical and Nonmetrical Contexts
Experiment 1 determined the fastest tempo at which participants could tap in synchrony with every nth tone (n = 2 to 9) in an isochronous sequence. Tapping was difficult with every 5th or 7th tone but easy with every 2nd, 4th, or 8th tone, suggesting...
Perceptual Learning Can Reverse Subliminal Priming Effects
Masked primes presented prior to a target can result in inverse priming (i.e., benefits on trials in which the prime and the target are mapped onto opposite responses). In five experiments, time-of-task effects on subliminal priming of motor responses...
Posttransient Shifts in Auditory Lateralization
Presenting an intense (e.g., 80-dB [SPL]) "transient" (e.g., 50-msec) inducer to the ear reduces the loudness of subsequent signals at or near the frequency of the inducer. In this study, we ask whether similar inducers also affect lateralization. In...
Prior Experience Affects Amodal Completion in Pigeons
In a three-alternative forced-choice task, 4 pigeons were trained to discriminate a target stimulus consisting of two colored shapes, one of which partially occluded the other, from two foil stimuli that portrayed either a complete or an incomplete version...
Roughness Perception in Haptic Virtual Reality for Sighted and Blind People
Psychophysical functions for perceived roughness, relating ln (magnitude estimate of roughness) to ln (groove width), were obtained for blind and sighted participants in virtual reality using the PHANToM force feedback device. The stimuli were sinusoidal...
Shifting Attention into and out of Objects: Evaluating the Processes Underlying the Object Advantage
Visual cuing studies have been widely used to demonstrate and explore contributions from both object- and location-based attention systems. A common finding has been a response advantage for shifts of attention occurring within an object, relative to...
The Role of Location and Motion Information in the Tracking and Recovery of Moving Objects
Observers in a multiple object tracking task can track about four to five independently moving targets among several moving distractors, even if all of the stimuli disappear for a 300-msec gap. How observers reacquire targets following such a gap reveals...
Typicality Effects in Face and Object Perception: Further Evidence for the Attractor Field Model
In a previous study, it was shown that a 50/50 morph of a typical and an atypical parent face was perceived to be more similar to the atypical parent face than to the typical parent face (Tanaka, Giles, Kremen, & Simon, 1998). Experiments 1 and 2...
Unconscious, Stimulus-Dependent Priming and Conscious, Percept-Dependent Priming with Chromatic Stimuli
Using metacontrast masking to suppress the conscious registration of a prime stimulus, Breitmeyer, Ro, and Singhal (2004) showed that color priming produced by a masked prime disk occurs at unconscious stimulus-dependent rather than at percept-dependent...
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