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https://www.readbyqxmd.com/read/28527003/the-effects-of-kanizsa-contours-on-temporal-integration-and-attention-in-rapid-serial-visual-presentation
#1
Aytaç Karabay, Elkan G Akyürek
Performance in rapid serial visual presentation tasks has been shown to depend on the temporal integration of target stimuli when they are presented in direct succession. Temporal target integration produces a single, combined representation of visually compatible stimuli, which is comparatively easy to identify. It is currently unknown to what extent target compatibility affects this perceptual behavior, because it has not been studied systematically to date. In the present study, the effects of compatibility on temporal integration and attention were investigated by manipulating the Gestalt properties of target features...
May 19, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28502226/stronger-interference-from-distractors-in-the-right-hemifield-during-visual-search
#2
Christophe Carlei, Dirk Kerzel
The orientation-bias hypothesis states that there is a bias to attend to the right visual hemifield (RVF) when there is spatial competition between stimuli in the left and right hemifield [Pollmann, S. (1996). A pop-out induced extinction-like phenomenon in neurologically intact subjects. Neuropsychologia, 34(5), 413-425. doi: 10.1016/0028-3932(95)00125-5 ]. In support of this hypothesis, stronger interference was reported for RVF distractors with contralateral targets. In contrast, previous studies using rapid serial visual presentation (RSVP) found stronger interference from distractors in the left visual hemifield (LVF)...
May 13, 2017: Laterality
https://www.readbyqxmd.com/read/28484948/enhanced-recognition-of-memorable-pictures-in-ultra-fast-rsvp
#3
Nico Broers, Mary C Potter, Mark R Nieuwenstein
Long-term recognition memory for some pictures is consistently better than for others (Isola, Xiao, Parikh, Torralba, & Oliva, IEEE Transaction on Pattern Analysis and Machine Intelligence (PAMI), 36(7), 1469-1482, 2014). Here, we investigated whether pictures found to be memorable in a long-term memory test are also perceived more easily when presented in ultra-rapid RSVP. Participants viewed 6 pictures they had never seen before that were presented for 13 to 360 ms per picture in a rapid serial visual presentation (RSVP) sequence...
May 8, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28481768/orbital-perivenous-abscess-complicating-the-diagnosis-and-management-of-orbital-cellulitis
#4
Rohan Verma, Bradford W Lee, Ramzi M Alameddine, Audrey C Ko, Paritosh C Khanna, Don O Kikkawa, Bobby S Korn
An 11-year-old female presented with orbital cellulitis, bacterial sinusitis, enlarged left superior ophthalmic vein, dural venous sinuses, and internal jugular vein. The patient underwent endoscopic sinus surgery and was started on intravenous antibiotics and anticoagulation with limited improvement in orbital signs and symptoms. A magnetic resonance imaging/magnetic resonance venography of the orbits and brain revealed a dilated left superior ophthalmic vein with absence of flow but no clearly discernible orbital abscess...
May 5, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28456522/how-handedness-influences-perceptual-and-attentional-processes-during-rapid-serial-visual-presentation
#5
Kamila Śmigasiewicz, Matthias Liebrand, Johannes Landmesser, Rolf Verleger
Stimulus-driven orienting of visual attention is lateralized to the right hemisphere (RH). This lateralization has been studied in the dual-stream rapid serial visual presentation task (dual RSVP). In this task a second target (T2), hard to discern by being embedded in one of two lateral streams of rapidly changing distractors, is better identified on the left than on the right. This phenomenon is called the left visual field advantage (LVFA). Furthermore, in terms of event related potentials (ERPs), the N2pc component and visual evoked potentials (VEPs) are evoked earlier at the RH than at the left hemisphere (LH)...
April 26, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28455652/attentional-capture-by-spatiotemporally-task-irrelevant-faces-supportive-evidence-for-sato-and-kawahara-2015
#6
Atsunori Ariga, Katsuhiko Arihara
Visual attention is captured exogenously by stimuli that are congruent with the viewer's current behavioral goals or intentions. However, Sato and Kawahara (Psychol Res 79:523-533, 2015) recently suggested that distractor faces capture attention in an entirely stimulus-driven manner without top-down control of attention, which then attenuates subsequent target identification, using a rapid serial visual presentation paradigm. We tested this suggestion, developing a hypothesis that the faces used in the previous study served as task-relevant temporal cues that predicted target timing...
April 28, 2017: Psychological Research
https://www.readbyqxmd.com/read/28447804/heightened-attentional-capture-by-visual-food-stimuli-in-anorexia-nervosa
#7
Renate A M Neimeijer, Anne Roefs, Peter J de Jong
The present study was designed to test the hypothesis that anorexia nervosa (AN) patients are relatively insensitive to the attentional capture of visual food stimuli. Attentional avoidance of food might help AN patients to prevent more elaborate processing of food stimuli and the subsequent generation of craving, which might enable AN patients to maintain their strict diet. Participants were 66 restrictive AN spectrum patients and 55 healthy controls. A single-target rapid serial visual presentation task was used with food and disorder-neutral cues as critical distracter stimuli and disorder-neutral pictures as target stimuli...
April 27, 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28439320/distractor-induced-blindness-a-special-case-of-contingent-attentional-capture
#8
Gesche N Winther, Michael Niedeggen
The detection of a salient visual target embedded in a rapid serial visual presentation (RSVP) can be severely affected if target-like distractors are presented previously. This phenomenon, known as distractor-induced blindness (DIB), shares the prerequisites of contingent attentional capture (Folk, Remington, & Johnston, 1992). In both, target processing is transiently impaired by the presentation of distractors defined by similar features. In the present study, we investigated whether the speeded response to a target in the DIB paradigm can be described in terms of a contingent attentional capture process...
2017: Advances in Cognitive Psychology
https://www.readbyqxmd.com/read/28408895/character-decomposition-and-transposition-processes-of-chinese-compound-words-in-rapid-serial-visual-presentation
#9
Hong-Wen Cao, Ke-Yu Yang, Hong-Mei Yan
Character order information is encoded at the initial stage of Chinese word processing, however, its time course remains underspecified. In this study, we assess the exact time course of the character decomposition and transposition processes of two-character Chinese compound words (canonical, transposed, or reversible words) compared with pseudowords using dual-target rapid serial visual presentation (RSVP) of stimuli appearing at 30 ms per character with no inter-stimulus interval. The results indicate that Chinese readers can identify words with character transpositions in rapid succession; however, a transposition cost is involved in identifying transposed words compared to canonical words...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28405355/face-familiarity-promotes-stable-identity-recognition-exploring-face-perception-using-serial-dependence
#10
Rebecca Kok, Jessica Taubert, Erik Van der Burg, Gillian Rhodes, David Alais
Studies suggest that familiar faces are processed in a manner distinct from unfamiliar faces and that familiarity with a face confers an advantage in identity recognition. Our visual system seems to capitalize on experience to build stable face representations that are impervious to variation in retinal input that may occur due to changes in lighting, viewpoint, viewing distance, eye movements, etc. Emerging evidence also suggests that our visual system maintains a continuous perception of a face's identity from one moment to the next despite the retinal input variations through serial dependence...
March 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28388483/illusions-of-integration-are-subjectively-impenetrable-phenomenological-experience-of-lag-1-percepts-during-dual-target-rsvp
#11
Luca Simione, Elkan G Akyürek, Valentina Vastola, Antonino Raffone, Howard Bowman
We investigated the relationship between different kinds of target reports in a rapid serial visual presentation task, and their associated perceptual experience. Participants reported the identity of two targets embedded in a stream of stimuli and their associated subjective visibility. In our task, target stimuli could be combined together to form more complex ones, thus allowing participants to report temporally integrated percepts. We found that integrated percepts were associated with high subjective visibility scores, whereas reports in which the order of targets was reversed led to a poorer perceptual experience...
April 4, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28387560/clinical-evaluation-of-the-concussed-athlete-a-view-from-the-sideline
#12
Margot Putukian
CONTEXT: The sideline assessment of concussion is challenging, given its variable presentations, the limited sensitivity and specificity of sideline assessment tools, and how the presentation of the injury evolves over time. In addition, the diagnostic process, as well as the tools used to assess and manage concussion, continue to progress as research and what we know about concussion advance. This paper focuses on the initial assessment on the sideline by reviewing the concussion-evaluation literature, drawing from clinical experience to emphasize a standardized approach, and underscoring the importance of both familiarity with the athlete and clinical judgment...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28387376/snake-scales-partial-exposure-and-the-snake-detection-theory-a-human-event-related-potentials-study
#13
Jan W Van Strien, Lynne A Isbell
Studies of event-related potentials in humans have established larger early posterior negativity (EPN) in response to pictures depicting snakes than to pictures depicting other creatures. Ethological research has recently shown that macaques and wild vervet monkeys respond strongly to partially exposed snake models and scale patterns on the snake skin. Here, we examined whether snake skin patterns and partially exposed snakes elicit a larger EPN in humans. In Task 1, we employed pictures with close-ups of snake skins, lizard skins, and bird plumage...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28383937/rapid-visual-processing-of-picture-stimuli-by-pigeons-in-an-rsvp-rapid-serial-visual-presentation-task
#14
Masako Jitsumori, Tomokazu Ushitani
Three experiments that were carried out in series with 5 pigeons used novel training methods to investigate the rapid visual processing of picture stimuli by pigeons. On each trial, a sequence containing 1 of 2 bird pictures (the target) and nontarget bird pictures (the distractors) was presented. After the termination of the last item in the sequence, the pigeons were required to choose 1 of 2 colored squares corresponding to the target presented in the preceding sequence. The pigeons learned the task with 2-item lists (1 target and 1 distractor) in Experiment1 and with 3-item lists (1 target and 2 distractors) in Experiment 2...
April 2017: Journal of Experimental Psychology. Animal Learning and Cognition
https://www.readbyqxmd.com/read/28368200/word-and-face-processing-engage-overlapping-distributed-networks-evidence-from-rsvp-and-eeg-investigations
#15
Amanda K Robinson, David C Plaut, Marlene Behrmann
Words and faces have vastly different visual properties, but increasing evidence suggests that word and face processing engage overlapping distributed networks. For instance, fMRI studies have shown overlapping activity for face and word processing in the fusiform gyrus despite well-characterized lateralization of these objects to the left and right hemispheres, respectively. To investigate whether face and word perception influences perception of the other stimulus class and elucidate the mechanisms underlying such interactions, we presented images using rapid serial visual presentations...
April 3, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28358294/online-modulation-of-selective-attention-is-not-impaired-in-healthy-aging
#16
Robert Sekuler, Jie Huang, Allison B Sekuler, Patrick J Bennett
Background/Study Context: Reduced processing speed pervades a great many aspects of human aging and cognition. However, little is known about one aspect of cognitive aging in which speed is of the essence, namely, the speed with which older adults can deploy attention in response to a cue. METHODS: The authors compared rapid temporal modulation of cued visual attention in younger (Mage = 22.3 years) and older (Mage = 68.9 years) adults. On each trial of a short-term memory task, a cue identified which of two briefly presented stimuli was task relevant and which one should be ignored...
May 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28350800/neural-correlates-of-facial-expression-processing-during-a-detection-task-an-erp-study
#17
Luxi Sun, Jie Ren, Weijie He
Given finite attentional resources, how emotional aspects of stimuli are processed automatically is controversial. Present study examined the time-course for automatic processing of facial expression by assessing N170, and late positive potentials (LPPs) of event-related potentials (ERPs) using a modified rapid serial visual presentation (RSVP) paradigm. Observers were required to confirm a certain house image and to detect whether a face image was presented at the end of a series of pictures. There were no significant main effects on emotional type for P1 amplitudes, whereas happy and fearful expressions elicited larger N170 amplitudes than neutral expressions...
2017: PloS One
https://www.readbyqxmd.com/read/28265963/do-emotion-induced-blindness-and-the-attentional-blink-share-underlying-mechanisms-an-event-related-potential-study-of-emotionally-arousing-words
#18
Jeffrey MacLeod, Brandie M Stewart, Aaron J Newman, Karen M Arnell
When two targets are presented within approximately 500 ms of each other in the context of rapid serial visual presentation (RSVP), participants' ability to report the second target is reduced compared to when the targets are presented further apart in time. This phenomenon is known as the attentional blink (AB). The AB is increased in magnitude when the first target is emotionally arousing. Emotionally arousing stimuli can also capture attention and create an AB-like effect even when these stimuli are presented as to-be-ignored distractor items in a single-target RSVP task...
March 6, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28261088/age-related-changes-in-the-ability-to-switch-between-temporal-and-spatial-attention
#19
Eleanor Callaghan, Carol Holland, Klaus Kessler
Background: Identifying age-related changes in cognition that contribute towards reduced driving performance is important for the development of interventions to improve older adults' driving and prolong the time that they can continue to drive. While driving, one is often required to switch from attending to events changing in time, to distribute attention spatially. Although there is extensive research into both spatial attention and temporal attention and how these change with age, the literature on switching between these modalities of attention is limited within any age group...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28252991/reading-time-allocation-strategies-and-working-memory-using-rapid-serial-visual-presentation
#20
Jessica N Busler, Alejandro A Lazarte
Rapid serial visual presentation (RSVP) is a useful method for controlling the timing of text presentations and studying how readers' characteristics, such as working memory (WM) and reading strategies for time allocation, influence text recall. In the current study, a modified version of RSVP (Moving Window RSVP [MW-RSVP]) was used to induce longer pauses at the ends of clauses and ends of sentences when reading texts with multiple embedded clauses. We studied if WM relates to allocation of time at end of clauses or sentences in a self-paced reading task and in 2 MW-RSVP reading conditions (Constant MW-RSVP and Paused MW-RSVP) in which the reading rate was kept constant or pauses were induced...
March 2, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
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