Attention, Perception and Psychophysics

Attention, Perception and Psychophysics is a journal covering sensory processes, perception, and psychophysics. Since it was founded in 1966 it is printed eight times a year in January, February, April, May, July, August, October, and November. The journal is published by Psychonomic Society.Subjects in Attention, Perception and Psychophysics include: Psychology and Psychiatry.

Articles from Vol. 71, No. 4, May

A New Object Captures Attention-But Only When You Know It's New
Two hypotheses have been advanced to explain why an object appearing suddenly in an empty location captures attention. According to the first hypothesis, the visual transients that accompany an abrupt onset automatically trigger attentional orienting...
Associative Grouping: Perceptual Grouping of Shapes by Association
Perceptual grouping is usually defined by principles that associate distinct elements by virtue of image properties, such as proximity, similarity, and occurrence within common regions. What role does learning play in forming a perceptual group? This...
Attention to Faces Modulates Early Face Processing during Low but Not High Face Discriminability
In the present study, we investigated whether attention to faces results in sensory gain modulation. Participants were cued to attend either to faces or to scenes in superimposed face-scene images for which face discriminability was manipulated parametrically....
Choking and Excelling under Pressure in Experienced Classifiers
We extend previous work examining the effects of pressure on category learning to the effects of pressure on categorization performance in highly trained individuals. After extensive training on either a rule-based or an information-integration classification...
Determinants of the Benefit for Consistent Stimulus-Response Mappings in Dual-Task Performance of Four-Choice Tasks
Reaction times are shorter when the stimulus-response mappings for pairs of three-choice tasks are consistent (both corresponding or both mirrored) than when they are inconsistent. The benefit for consistent mirrored mappings is evident at the side positions...
Dynamic Representations Underlying Symbolic and Nonsymbolic Calculation: Evidence from the Operational Momentum Effect
When we add or subtract, do the corresponding quantities "move" along a mental number line? Does this internal movement lead to spatial biases? A new method was designed to investigate the psychophysics of approximate arithmetic. Addition and subtraction...
Expectancy in Humans in Multisecond Peak-Interval Timing with Gaps
In two experiments, the peak-interval procedure was used with humans to test effects related to gaps in multisecond timing. In Experiment 1, peak times of response distributions were shorter when the gap occurred later during the encoding of the criterion...
Fixation Identification: The Optimum Threshold for a Dispersion Algorithm
It is hypothesized that the number, position, size, and duration of fixations are functions of the metric used for dispersion in a dispersion-based fixation detection algorithm, as well as of the threshold value. The sensitivity of the I-DT algorithm...
Haptic Concepts in the Blind
We investigated and compared the acquisition of haptic concepts by the blind with the acquisition of haptic concepts by sighted controls. Each subject-blind, sighted but blindfolded, sighted and touching, and sighted only-initially classified eight objects...
Infants' Listening in Multitalker Environments: Effect of the Number of Background Talkers
Infants are often spoken to in the presence of background sounds, including speech from other talkers. In the present study, we compared 5- and 8.5-month-olds' abilities to recognize their own names in the context of three different types of background...
Limited Influence of Perceptual Organization on the Precision of Attentional Control
The role of perceptual organization in the precision of attentional control was assessed in three experiments. Observers viewed circular arrays of disks that varied in density. One disk was cued, directing attention to that disk. A series of tones then...
Motion Fading and the Motion Aftereffect Share a Common Process of Neural Adaptation
After prolonged viewing of a slowly drifting or rotating pattern under strict fixation, the pattern appears to slow down and then momentarily stop. Here, we show that this motion fading occurs not only for slowly moving stimuli, but also for stimuli...
Musical Expertise Modulates the Effects of Visual Perceptual Load
Several studies have demonstrated that faces are processed differently from other types of objects, implicating a special role that faces have within the human visual system. However, other studies have suggested that faces may be special only in that...
Nonattentional Effects of Nonpredictive Central Cues
Recent evidence suggests that nonpredictive gaze, hand, arrow, and peripheral cues elicit shifts of reflexive attention. In the present article, we address whether these cues also influence the decision criterion in a go/no-go task. Nonpredictive central...
Prioritization of Looming and Receding Objects: Equal Slopes, Different Intercepts
Franconeri and Simons (2003) reported that simulated looming objects (marked by a size increase) captured attention, whereas simulated receding objects (marked by a size decrease) did not. This finding has been challenged with the demonstration that...
Somatosensory Prior Entry
The perceived timing of sensory events does not necessarily match the actual timing. In the present study, we investigated the effect of location of attention on the perceived timing of somatosensory stimuli. Participants judged the temporal order of...
The Contents of Perceptual Hypotheses: Evidence from Rapid Resumption of Interrupted Visual Search
Observers can resume a previously interrupted visual search trial significantly more quickly than they can start a new search trial (Lleras, Rensink, & Enns, 2005). This rapid resumption of search is possible because evidence accumulated during the...
The Detection of the Motion of Contrast Modulation: A Parametric Study
Despite a long and productive history as a focus of research interest, the details of how humans detect motion in an image remain controversial. This debate has not been helped by the lack of a clear parametric description of motion discrimination for...
The Effect of Blinks and Saccadic Eye Movements on Visual Reaction Times
Vision is suppressed during blinks and saccadic eye movements. We hypothesized that visual reaction times (RTs) in a vigilance test would be significantly increased when a blink or a saccade happened to coincide with the stimulus onset. Thirty healthy...
The Effects of Age on Sensory Thresholds and Temporal Gap Detection in Hearing, Vision, and Touch
Differences in sensory function between young (n = 42, 18-31 years old) and older (n = 137, 60-88 years old) adults were examined for auditory, visual, and tactile measures of threshold sensitivity and temporal acuity (gap-detection threshold). For all...
The Effects of Size Changes on Haptic Object Recognition
Two experiments examined the effects of size changes on haptic object recognition. In Experiment 1, participants named one of three exemplars (a standard-size-and-shape, different-size, or different-shape exemplar) of 36 categories of real, familiar...
The Indomitable Mr. Stroop
VISUAL PROCESSINGThe Indomitable Mr. StroopHodgson et al. (2009). The saccadic Stroop effect. Vis Res, 49, 569.In the Stroop task (Stroop, 1935, JEP 18:643), a participant attempts to name the different colors in which words in a list are written. The...
There May Be Only One
ATTENTION MODELINGThere May Be Only OneReynolds & Heeger (2009). The normalization model of attention. Neuron, 61, 168.Numerous articles in this journal confirm that attention modifies responses to stimuli. What processes at the level of single cells...
The Role of Sequence Order in Determining View Canonicality for Novel Wire-Frame Objects
Objects are best recognized from so-called "canonical" views. The characteristics of canonical views of arbitrary objects have been qualitatively described using a variety of different criteria, but little is known regarding how these views might be...
The Role of Visual Working Memory (VWM) in the Control of Gaze during Visual Search
We investigated the interactions among visual working memory (VWM), attention, and gaze control in a visual search task that was performed while a color was held in VWM for a concurrent discrimination task. In the search task, participants were required...
The Whole Moves Less Than the Spin of Its Parts
When individually moving elements in the visual scene are perceptually grouped together into a coherently moving object, they can appear to slow down. In the present article, we show that the perceived speed of a particular global-motion percept is not...
Training and Transfer of Training in the Search for Camouflaged Targets
How do observers become proficient at finding camouflaged targets? Does gaining proficiency in locating a target in one camouflage search situation improve performance in novel camouflage situations? We examined these questions by having participants...
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