journal
https://read.qxmd.com/read/37964541/differences-in-the-perception-of-direct-gaze-between-the-externally-and-internally-rotated-eye
#21
JOURNAL ARTICLE
Linda Linke, Gernot Horstmann
The perception of direct gaze provides multiple benefits for the observer. Previous studies have investigated how the information from both eyes is used to estimate gaze direction, showing that the perception of gaze direction differs when only the externally rotated eye versus only the internally rotated eye is visible. We examined the width and center of the area of direct gaze by presenting the observers with either the externally or internally rotated eye, or both eyes with the task to judge whether a computer avatar is looking at them...
November 14, 2023: Perception
https://read.qxmd.com/read/37946509/factors-of-significance-for-the-ability-of-fighter-pilots-to-visually-indicate-the-magnitude-of-roll-tilt-during-simulated-turns-in-a-centrifuge
#22
JOURNAL ARTICLE
Andreas Brink, Michail E Keramidas, Arne Tribukait, Ola Eiken
During coordinated flight and centrifugation, pilots show interindividual variability in perceived roll tilt. The study explored how this variability is related to perceptual and cognitive functions. Twelve pilots underwent three 6-min centrifugations on two occasions (G levels: 1.1G, 1.8G, and 2.5G; gondola tilts: 25°, 56°, and 66°). The subjective visual horizontal (SVH) was measured with an adjustable luminous line and the pilots gave estimates of experienced G level. Afterward, they were interrogated regarding the relationship between G level and roll tilt and adjusted the line to numerically mentioned angles...
November 9, 2023: Perception
https://read.qxmd.com/read/37946455/the-stroop-effect-and-mental-imagery
#23
JOURNAL ARTICLE
Bence Nanay
The classic Stroop task is very simple: you have to name the color of words printed on a page. If these words are color words (like "red" or "blue"), where the color named and the color it is printed in are different (say, "red" printed in blue), the reaction time increases significantly. My aim is to argue that the existing psychological explanations of the Stroop effect need to be supplemented. The Stroop effect is not exclusively about access to motor control. It is also, to a large extent, about interferences in perceptual processing...
November 9, 2023: Perception
https://read.qxmd.com/read/37915210/exploring-watercolor-illusion-spreading-between-dissected-stimulus-parts
#24
JOURNAL ARTICLE
Ralph G Hale, James M Brown
The watercolor illusion (WCI) occurs when an achromatic region is surrounded by an outer contour and inner chromatic fringe, resulting in an apparent pale tint of the same hue as the fringe. The WCI both fills in and spreads out, with the previous literature suggesting it always spreads out in the absence of an enclosing border. We examined how global stimulus configuration affects this illusion by dissecting various WCI-inducing stimuli into parts. Specifically, would color spread out of the unenclosed ends of the disconnected parts? Participants provided WCI illusion magnitude ratings and shading data indicating perceived locations of color spreading for a variety of stimulus configurations...
November 1, 2023: Perception
https://read.qxmd.com/read/37899595/the-neural-oscillations-in-delta-and-theta-bands-contribute-to-divided-attention-in-audiovisual-integration
#25
JOURNAL ARTICLE
Xi Yang, Chen Ying, Lan Zhu, Wang Wenjing
One of key mechanisms implicated in multisensory processing is neural oscillations in distinct frequency band. Many studies explored the modulation of attention by recording the electroencephalography signals when subjects attended one modality, and ignored the other modality input. However, when attention is directed toward one modality, it may be not always possible to shut out completely inputs from a different modality. Since many situations require division of attention between audition and vision, it is imperative to investigate the neural mechanisms underlying processing of concurrent auditory and visual sensory streams...
October 30, 2023: Perception
https://read.qxmd.com/read/37872670/inducing-visual-attention-through-audiovisual-stimuli-can-synchronous-sound-be-a-salient-event
#26
JOURNAL ARTICLE
Inês Salselas, Frederico Pereira, Emanuel Sousa
We present an experimental research aiming to explore how spatial attention may be biased through auditory stimuli. In particular, we investigate how synchronous sound and image may affect attention and increase the saliency of the audiovisual event. We have designed and implemented an experimental study where subjects, wearing an eye-tracking system, were examined regarding their gaze toward the audiovisual stimuli being displayed. The audiovisual stimuli were specifically tailored for this experiment, consisting of videos contrasting in terms of Synch Points (i...
October 23, 2023: Perception
https://read.qxmd.com/read/37859336/humans-can-sense-large-numbers-of-objects-in-a-box-by-touch-alone
#27
JOURNAL ARTICLE
Ilja Frissen, Alexander N Chen
Everyday experiences suggest that a container, such as a box of cereal, can convey pertinent information about the nature and quantity of its content. This study investigated how well people can judge large quantities of objects in a container through haptic perception. Stimuli consisted of plastic drinking straws cut to "small" (1.5 cm) or "big" (4.5 cm) pieces contained in plastic food containers. Participants performed both a magnitude estimation of the number of objects and a direct estimation of the proportion of the container perceived to be filled with objects...
October 19, 2023: Perception
https://read.qxmd.com/read/37854017/the-illusory-perception-of-distinctiveness-in-familiar-faces
#28
JOURNAL ARTICLE
Christel Devue
An illusion of distinctiveness for faces is described that manifests as a positive association between perceived familiarity and perceived distinctiveness. This association seems partly rooted in intrinsic facial characteristics but is boosted by actual exposure to faces. Such illusion could impede research on familiar faces where distinctiveness is manipulated or controlled and researchers will need to find ways around it.
October 19, 2023: Perception
https://read.qxmd.com/read/37796849/learning-emotional-dialects-a-british-population-study-of-cross-cultural-communication
#29
JOURNAL ARTICLE
Myron Tsikandilakis, Persefoni Bali, Renzo C Lanfranco, Leonie Kausel, Zhaoliang Yu, Gonzalo Boncompte, Alexandros-Konstantinos Karlis, Alkadi Alshammari, Ruiyi Li, Alison Milbank, Michael Burdett, Pierre-Alexis Mével, Christopher Madan, Jan Derrfuss
The aim of the current research was to explore whether we can improve the recognition of cross-cultural freely-expressed emotional faces in British participants. We tested several methods for improving the recognition of freely-expressed emotional faces, such as different methods for presenting other-culture expressions of emotion from individuals from Chile, New Zealand and Singapore in two experimental stages. In the first experimental stage, in phase one, participants were asked to identify the emotion of cross-cultural freely-expressed faces...
October 5, 2023: Perception
https://read.qxmd.com/read/37728164/effects-of-wearing-an-opaque-or-transparent-face-mask-on-the-perception-of-facial-expressions-a-comparative-study-between-japanese-school-aged-children-and-adults
#30
JOURNAL ARTICLE
Yuki Miyazaki, Miki Kamatani, Shuma Tsurumi, Tomokazu Suda, Kei Wakasugi, Kaori Matsunaga, Jun I Kawahara
The negative side effects of mask-wearing on reading facial emotional cues have been investigated in several studies with adults post-2020. However, little is known about children. This study aimed to determine the negative influence of mask-wearing on reading emotions of adult faces by Japanese school-aged children, compared to Japanese adults. We also examined whether this negative influence could be alleviated by using a transparent face mask instead of an opaque one (surgical mask). The performance on reading emotions was measured using emotion categorization and emotion intensity rating tasks for adult faces...
September 20, 2023: Perception
https://read.qxmd.com/read/37728156/humans-can-sense-small-numbers-of-objects-in-a-box-by-touch-alone
#31
JOURNAL ARTICLE
Ilja Frissen, Zhanat Kappassov, Kai-Yi Huang, Mounia Ziat
Everyday experiences suggest that a container, such as a box of chocolate sprinkles, can convey pertinent information about the nature of its content. Despite the familiarity of the experience, we do not know whether people can perceive the number of objects in the container from touch alone and how accurately they can do so. In three experiments, participants handled containers holding between one and five objects and verbally estimated their number. Containers were small cardboard jewelry boxes, and objects were round beads of varying diameter and weight...
September 20, 2023: Perception
https://read.qxmd.com/read/37709269/do-masks-cover-more-than-just-a-face-a-study-on-how-facemasks-affect-the-perception-of-emotional-expressions-according-to-their-degree-of-intensity
#32
JOURNAL ARTICLE
Pauline J N Thomas, Stéphanie Caharel
Emotional facial expressions convey crucial information in nonverbal communication and serve as a mediator in face-to-face relationships. Their recognition would rely on specific facial traits depending on the perceived emotion. During the COVID-19 pandemic, wearing a facemask has thus disrupted the human ability to read emotions from faces. Yet, these effects are usually assessed across studies from faces expressing stereotypical and exaggerated emotions, which is far removed from real-life conditions. The objective of the present study was to evaluate the impact of facemasks through an emotion categorization task using morphs ranging from a neutral face and an expressive face (anger, disgust, fear, happiness, and sadness) (from 0% neutral to 100% expressive in 20% steps)...
September 14, 2023: Perception
https://read.qxmd.com/read/37691587/stimulus-intensity-modulates-perceived-tactile-distance
#33
JOURNAL ARTICLE
Matthew R Longo, Sonia Medina
Several features of tactile stimuli modulate the perceived distance between touches. In particular, distances are perceived as farther apart when the time interval between them is longer, than when it is shorter. Such effects have been interpreted as a form of 'psychological relativity', analogous to Einstein's conception of a four-dimensional space-time. We investigated whether similar effects occur for stimulus features other than time, specifically stimulus intensity. We hypothesised that perceived distance would be increased when the two stimuli differed in intensity, since they would then be farther apart in a multi-dimensional feature space...
September 11, 2023: Perception
https://read.qxmd.com/read/37680125/does-a-concurrent-motor-process-influence-representational-momentum
#34
JOURNAL ARTICLE
Simon Merz, Jana Weiten, Timothy L Hubbard
Whether the direction of a hand motion that is congruent or incongruent with a concurrent target motion can influence representational momentum for that target was examined. Participants viewed a leftward or rightward moving target while moving their hand rightward, leftward, or not moving their hand. Prior studies of mental rotation found that congruency or incongruency of the direction of mental rotation and the direction of a concurrent physical rotation of a stimulus influenced mental rotation. As mental rotation and representational momentum each involve extrapolation of target motion, it could be predicted that congruency of the direction of hand motion and the direction of target motion might influence representational momentum of the target...
September 8, 2023: Perception
https://read.qxmd.com/read/37674444/obituary-vincent-hayward-1955-2023
#35
JOURNAL ARTICLE
Mounia Ziat
No abstract text is available yet for this article.
September 7, 2023: Perception
https://read.qxmd.com/read/37661828/face-inversion-effect-on-perceived-cuteness-of-infant-faces
#36
JOURNAL ARTICLE
Kana Kuraguchi, Hiroshi Nittono
Research has demonstrated that attractiveness evaluations of adult faces were less accurate when faces were inverted than upright. It remains unknown, however, whether a similar effect applies to perceived cuteness of infants, which is assumed to be based on elemental facial features called the "baby schema." In this research, we studied the face inversion effect on perceived cuteness of infant faces in a rating task and a two-alternative forced-choice (2AFC) task. We also examined beauty as a control dimension...
September 4, 2023: Perception
https://read.qxmd.com/read/37661706/are-the-directions-of-both-eyes-integrated-before-or-after-the-perception-of-direct-gaze-evidence-from-simulated-mild-strabismus
#37
JOURNAL ARTICLE
Gernot Horstmann, Linda Linke
The cone of gaze is a looker's range of gaze directions that is accepted as direct by an observer. The present research asks how the condition of mild strabismus, that is, when the two eyes point in slightly different directions, influences the cone of gaze. Normally, both eyes are rotated in a coordinated manner such that both eyes are directed to the same fixation point. With strabismus, there are two fixation points, and, therefore, two directions into which the two eyes point. This raises the question of the direction and the shape (i...
September 3, 2023: Perception
https://read.qxmd.com/read/37583302/use-of-minimal-working-memory-in-visual-comparison-an-eye-tracking-study
#38
JOURNAL ARTICLE
Yijing Li, Xiangling Zhuang, Guojie Ma
In this study, we used a novel application of the previous paradigm provided by Pomplun to examine the eye movement strategies of using minimal working memory in visual comparison. This paradigm includes two tasks: one is a free comparison and the other is a single sequential comparison. In the free comparison, participants can freely view two horizontally presented stimuli until they judge whether the two stimuli are the same or not. In the single sequential comparison, participants can only view the left-side stimuli one time, and when their eyes cross the invisible boundary at the center of the screen, the left-side stimuli disappear and the right-side stimuli appear...
August 15, 2023: Perception
https://read.qxmd.com/read/37583299/effect-of-the-number-and-diversity-of-visual-stimuli-on-the-reproduction-of-short-time-intervals
#39
JOURNAL ARTICLE
Ali Bozorgmehr, Razieh Moayedi, Bahman Sadeghi, MohammadReza Molaei, Eli Brenner
Presenting more items within a space makes the space look and feel bigger. Presenting more tones within a time interval makes the interval seem longer. Does presenting more visual items also make a time interval seem longer? Does it matter what these items are? A series of 2-4 images were presented sequentially on a screen. Participants had to press the spacebar to indicate either the interval between the first and the last item or the intervals between all items. The first and last items were red squares with onset asynchronies of 700, 900, or 1,100 ms...
August 15, 2023: Perception
https://read.qxmd.com/read/37554007/change-detection-versus-change-localization-for-faces-houses-and-words
#40
JOURNAL ARTICLE
Paulo Ventura, Alexandre Pereira, Francisco Cruz, João Delgado, Bruno Faustino, José Carlos Guerreiro
Holistic processing aids in the discrimination of visually similar objects, but it may also come with a cost. Indeed holistic processing may improve the ability to detect changes to a face while impairing the ability to locate where the changes occur. We investigated the capacity to detect the occurrence of a change versus the capacity to detect the localization of a change for faces, houses, and words. Change detection was better than change localization for faces. Change localization outperformed change detection for houses...
August 8, 2023: Perception
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