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Attention, Perception & Psychophysics

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https://www.readbyqxmd.com/read/28924941/erratum-to-automatic-change-detection-in-vision-adaptation-memory-mismatch-or-both-ii-oddball-and-adaptation-effects-on-event-related-potentials
#1
Flóra Bodnár, Domonkos File, István Sulykos, Krisztina Kecskés-Kovács, István Czigler
No abstract text is available yet for this article.
September 18, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28900881/recognition-induced-forgetting-of-faces-in-visual-long-term-memory
#2
Kelsi F Rugo, Kendall N Tamler, Geoffrey F Woodman, Ashleigh M Maxcey
Despite more than a century of evidence that long-term memory for pictures and words are different, much of what we know about memory comes from studies using words. Recent research examining visual long-term memory has demonstrated that recognizing an object induces the forgetting of objects from the same category. This recognition-induced forgetting has been shown with a variety of everyday objects. However, unlike everyday objects, faces are objects of expertise. As a result, faces may be immune to recognition-induced forgetting...
September 12, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28887795/social-anxiety-and-attentional-biases-a-top-down-contribution
#3
Hannah L Boal, B K Christensen, S C Goodhew
Selective attention toward threatening facial expressions has been found to precipitate and maintain symptoms of social anxiety. However, the automaticity of this bias is under debate. In the present study, we aimed to test whether top-down (controlled) engagement and disengagement of attention toward threatening faces is associated with social anxiety. This was examined by testing the impact of a secondary working memory (WM) load on attentional biases. In a variation of the dot-probe task, participants' attention was initially cued to the left or right of fixation before an upright face paired with an inverted face was presented (displaying a disgust or neutral expression), and participants responded to a subsequently presented probe...
September 8, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28879457/combining-local-and-global-cues-to-motion
#4
Michael Morgan
A spinning, moving object, such as a football with a surface texture, combines motion signals from rotation and translation. The interaction between these two kinds of signal was studied psychophysically with moving, circular clouds of dots, which also could move within the cloud. If the cloud moved near-vertically downwards but the dots within it moved obliquely, the apparent path of the cloud was attracted to that of the dots, as previously demonstrated with moving Gabor patches (Tse & Hseih Vision Research, 46, 3881-3885, 2006; Lisi & Cavanagh Current Biology, 25, 2535-40, 2015)...
September 6, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28864874/close-interpersonal-proximity-modulates-visuomotor-processing-of-object-affordances-in-shared-social-space
#5
Elizabeth J Saccone, Ancret Szpak, Owen Churches, Michael E R Nicholls
Research suggests that the human brain codes manipulable objects as possibilities for action, or affordances, particularly objects close to the body. Near-body space is not only a zone for body-environment interaction but also is socially relevant, as we are driven to preserve our near-body, personal space from others. The current, novel study investigated how close proximity of a stranger modulates visuomotor processing of object affordances in shared, social space. Participants performed a behavioural object recognition task both alone and with a human confederate...
September 1, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28856626/how-humans-react-to-changing-rewards-during-visual-foraging
#6
Jinxia Zhang, Xue Gong, Daryl Fougnie, Jeremy M Wolfe
Much is known about the speed and accuracy of search in single-target search tasks, but less attention has been devoted to understanding search in multiple-target foraging tasks. These tasks raise and answer important questions about how individuals decide to terminate searches in cases in which the number of targets in each display is unknown. Even when asked to find every target, individuals quit before exhaustively searching a display. Because a failure to notice targets can have profound effects (e.g., missing a malignant tumor in an X-ray), it is important to develop strategies that could limit such errors...
August 30, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28856615/effects-of-capacity-limits-memory-loss-and-sound-type-in-change-deafness
#7
Melissa K Gregg, Vanessa C Irsik, Joel S Snyder
Change deafness, the inability to notice changes to auditory scenes, has the potential to provide insights about sound perception in busy situations typical of everyday life. We determined the extent to which change deafness to sounds is due to the capacity of processing multiple sounds and the loss of memory for sounds over time. We also determined whether these processing limitations work differently for varying types of sounds within a scene. Auditory scenes composed of naturalistic sounds, spectrally dynamic unrecognizable sounds, tones, and noise rhythms were presented in a change-detection task...
August 30, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28853061/counting-does-not-improve-the-accuracy-of-long-time-productions
#8
Sven Thönes, Heiko Hecht
It is common to use counting strategies to produce time intervals accurately. Does counting improve the accuracy (deviation of produced duration from veridical duration) and precision (variability of produced duration) of time productions in the range of seconds to minutes? In a series of experiments, we compared chronometric counting to intuitive timing (no counting) and to attentional control (simultaneously performing mental arithmetic). In a field experiment, participants had to produce time intervals of 60-s duration in a classroom setting...
August 29, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28853023/automatic-change-detection-in-vision-adaptation-memory-mismatch-or-both-ii-oddball-and-adaptation-effects-on-event-related-potentials
#9
Flóra Bodnár, Domonkos File, István Sulykos, Krisztina Kecskés-Kovács, István Czigler
In this study we compared the event-related potentials (ERPs) obtained in two different paradigms: a passive visual oddball paradigm and an adaptation paradigm. The aim of the study was to investigate the relation between the effects of activity decrease following an adaptor (stimulus-specific adaptation) and the effects of an infrequent stimulus within sequences of frequent ones. In Experiment 1, participants were presented with different line textures. The frequent (standard) and rare (deviant) texture elements differed in their orientation...
August 29, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28849409/target-objects-defined-by-a-conjunction-of-colour-and-shape-can-be-selected-independently-and-in-parallel
#10
Michael Jenkins, Anna Grubert, Martin Eimer
It is generally assumed that during search for targets defined by a feature conjunction, attention is allocated sequentially to individual objects. We tested this hypothesis by tracking the time course of attentional processing biases with the N2pc component in tasks where observers searched for two targets defined by a colour/shape conjunction. In Experiment 1, two displays presented in rapid succession (100 ms or 10 ms SOA) each contained a target and a colour-matching or shape-matching distractor on opposite sides...
August 28, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28849370/two-kinds-of-bias-in-visual-comparison-illustrate-the-role-of-location-and-holistic-analytic-processing-differences
#11
Kyle R Cave, Zhe Chen
A number of studies have shown that two stimuli appearing successively at the same spatial location are more likely to be perceived as the same, even though location is irrelevant to the task. This bias to respond "same" when stimuli are at the same location is termed spatial congruency bias. The experiments reported here demonstrate that the spatial congruency bias extends to letter strings: Participants tend to respond "same" when comparing two strings appearing successively at the same location. This bias may arise because successive stimuli at the same location are more likely to be perceived as a single object...
August 28, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28842869/perceptual-control-models-of-pursuit-manual-tracking-demonstrate-individual-specificity-and-parameter-consistency
#12
Maximilian G Parker, Sarah F Tyson, Andrew P Weightman, Bruce Abbott, Richard Emsley, Warren Mansell
Computational models that simulate individuals' movements in pursuit-tracking tasks have been used to elucidate mechanisms of human motor control. Whilst there is evidence that individuals demonstrate idiosyncratic control-tracking strategies, it remains unclear whether models can be sensitive to these idiosyncrasies. Perceptual control theory (PCT) provides a unique model architecture with an internally set reference value parameter, and can be optimized to fit an individual's tracking behavior. The current study investigated whether PCT models could show temporal stability and individual specificity over time...
August 25, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28842864/mean-size-estimation-yields-left-side-bias-role-of-attention-on-perceptual-averaging
#13
Kuei-An Li, Su-Ling Yeh
The human visual system can estimate mean size of a set of items effectively; however, little is known about whether information on each visual field contributes equally to the mean size estimation. In this study, we examined whether a left-side bias (LSB)-perceptual judgment tends to depend more heavily on left visual field's inputs-affects mean size estimation. Participants were instructed to estimate the mean size of 16 spots. In half of the trials, the mean size of the spots on the left side was larger than that on the right side (the left-larger condition) and vice versa (the right-larger condition)...
August 25, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28842834/knowing-where-is-different-from-knowing-what-distinct-response-time-profiles-and-accuracy-effects-for-target-location-orientation-and-color-probability
#14
Syaheed B Jabar, Alex Filipowicz, Britt Anderson
When a location is cued, targets appearing at that location are detected more quickly. When a target feature is cued, targets bearing that feature are detected more quickly. These attentional cueing effects are only superficially similar. More detailed analyses find distinct temporal and accuracy profiles for the two different types of cues. This pattern parallels work with probability manipulations, where both feature and spatial probability are known to affect detection accuracy and reaction times. However, little has been done by way of comparing these effects...
August 25, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28840547/cognitive-control-in-media-multitaskers-two-replication-studies-and-a-meta-analysis
#15
Wisnu Wiradhany, Mark R Nieuwenstein
Ophir, Nass, and Wagner (2009, Proceedings of the National Academy of Sciences of the United States of America, 106(37), 15583-15587) found that people with high scores on the media-use questionnaire-a questionnaire that measures the proportion of media-usage time during which one uses more than one medium at the same time-show impaired performance on various tests of distractor filtering. Subsequent studies, however, did not all show this association between media multitasking and distractibility, thus casting doubt on the reliability of the initial findings...
August 24, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28840506/perception-of-the-length-of-an-object-through-dynamic-touch-is-invariant-across-changes-in-the-medium
#16
Madhur Mangalam, Sophie A Barton, Jeffrey B Wagman, Dorothy M Fragaszy, Karl M Newell
Rotational inertia-a mechanical quantity that describes the differential resistance of an object to angular acceleration in different directions-has been shown to support perception of the properties of that object through dynamic touch (wielding). The goal of the present study was to examine if perception of the length of an object through dynamic touch depends on its rotational inertia, independent of the medium in which it is wielded. The participants (n = 14) wielded 12 different objects held in air or completely immersed in water and reported perceived lengths of those objects...
August 24, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28836229/how-the-mind-shapes-action-offline-contexts-modulate-involuntary-episodic-retrieval
#17
Christian Frings, Iring Koch, Birte Moeller
Involuntary retrieval of previous stimulus-response episodes is a centerpiece of many theories of priming, episodic binding, and action control. Typically it is assumed that by repeating a stimulus from trial n-1 to trial n, involuntary retrieval is triggered in a nearly automatic fashion, facilitating (or interfering with) the to-be-executed action. Here we argue that changes in the offline context weaken the involuntary retrieval of previous episodes (the offline context is defined to be the information presented before or after the focal stimulus)...
August 23, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28836145/interactions-between-visual-working-memory-representations
#18
Gi-Yeul Bae, Steven J Luck
We investigated whether the representations of different objects are maintained independently in working memory or interact with each other. Observers were shown two sequentially presented orientations and required to reproduce each orientation after a delay. The sequential presentation minimized perceptual interactions so that we could isolate interactions between memory representations per se. We found that similar orientations were repelled from each other whereas dissimilar orientations were attracted to each other...
August 23, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28828730/compression-of-environmental-representations-following-interactions-with-objects
#19
Andrew Clement, Gabriel A Radvansky, James R Brockmole
Previous work reveals that interacting with all objects in an environment can compress spatial memory for the entire group of objects. To assess the scope and magnitude of this effect, we tested whether interacting with a subset of objects compresses spatial memory for all objects in an environment. Participants inspected objects in one or two unmarked regions of space, then recalled the distances between pairs of objects from memory. One group of participants picked up objects in both regions, a second group picked up objects in one region and passively viewed objects in the other region, and a third group passively viewed objects in both regions...
August 21, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28815431/central-peripheral-differences-in-audiovisual-and-visuotactile-event-perception
#20
Yi-Chuan Chen, Daphne Maurer, Terri L Lewis, Charles Spence, David I Shore
We examined audiovisual and visuotactile integration in the central and peripheral visual field using visual fission and fusion illusions induced by sounds or taps. The fission illusion occurs when a single flash is perceived as two flashes if paired with two beeps or taps; the fusion illusion, by contrast, occurs when two flashes are perceived as a single flash if the flashes are paired with a single beep or tap. Beeps and taps induced similar patterns of illusions: the fission illusion was larger in the periphery than in the center, whereas the fusion illusion was larger in the center than in the periphery...
August 16, 2017: Attention, Perception & Psychophysics
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