Academic literature on the topic 'Perceptual cues and mechanisms'

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Journal articles on the topic "Perceptual cues and mechanisms"

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Chepeliuk, Anastasia A., and Marina G. Vinogradova. "The Performance of Visual Perceptual Tasks in Patients with Schizotypal Personality Disorder." Psychology in Russia: State of the Art 14, no. 2 (2021): 42–58. http://dx.doi.org/10.11621/pir.2021.0204.

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Background. The most significant features for clinical diagnosis of schizotypal personality disorder (SPD) are cognitive-perceptual and disorganized symptoms. Experimental study of visual perceptual processes is important to elucidate the psychological mechanisms of cognitive-perceptual impairment in SPD. Objective. To research the performance of visual perceptual tasks in SPD. Design. Series I and II presented the subjects with visual perceptual tasks with different types of instructions (vague, verbal, or visual perceptual cues). The Wechsler Adult Intelligence Scale (WAIS-R) was also admini
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Xiao, Mei, May Wong, Michelle Umali, and Marc Pomplun. "Using Eye-Tracking to Study Audio — Visual Perceptual Integration." Perception 36, no. 9 (2007): 1391–95. http://dx.doi.org/10.1068/p5731.

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Perceptual integration of audio—visual stimuli is fundamental to our everyday conscious experience. Eye-movement analysis may be a suitable tool for studying such integration, since eye movements respond to auditory as well as visual input. Previous studies have shown that additional auditory cues in visual-search tasks can guide eye movements more efficiently and reduce their latency. However, these auditory cues were task-relevant since they indicated the target position and onset time. Therefore, the observed effects may have been due to subjects using the cues as additional information to
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Goda, N., S. Takahashi, and Y. Ejima. "Luminance and Colour Cues in Perceptual Transparency." Perception 26, no. 1_suppl (1997): 159. http://dx.doi.org/10.1068/v970360.

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A series of experiments was carried out to determine the dependence of the perception of transparency on colour relationships in a four-region pattern comprising two non-overlapping regions, an overlapping region, and a background. The proportion of trials where the pattern was perceived as transparent, and the relative layering in depth of the two perceived surfaces, were determined as a function of the luminance of colour of the overlapping region while those of the non-overlapping regions were kept constant. It was found that perceptual transparency could arise from displays where the four
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Yildiz, Gizem Y., Bailey G. Evans, and Philippe A. Chouinard. "The Effects of Adding Pictorial Depth Cues to the Poggendorff Illusion." Vision 6, no. 3 (2022): 44. http://dx.doi.org/10.3390/vision6030044.

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We tested if the misapplication of perceptual constancy mechanisms might explain the perceived misalignment of the oblique lines in the Poggendorff illusion. Specifically, whether these mechanisms might treat the rectangle in the middle portion of the Poggendorff stimulus as an occluder in front of one long line appearing on either side, causing an apparent decrease in the rectangle’s width and an apparent increase in the misalignment of the oblique lines. The study aimed to examine these possibilities by examining the effects of adding pictorial depth cues. In experiments 1 and 2, we presente
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Donato, Rita, Adriano Contillo, Gianluca Campana, Marco Roccato, Óscar F. Gonçalves, and Andrea Pavan. "Visual Perceptual Learning of Form–Motion Integration: Exploring the Involved Mechanisms with Transfer Effects and the Equivalent Noise Approach." Brain Sciences 14, no. 10 (2024): 997. http://dx.doi.org/10.3390/brainsci14100997.

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Background: Visual perceptual learning plays a crucial role in shaping our understanding of how the human brain integrates visual cues to construct coherent perceptual experiences. The visual system is continually challenged to integrate a multitude of visual cues, including form and motion, to create a unified representation of the surrounding visual scene. This process involves both the processing of local signals and their integration into a coherent global percept. Over the past several decades, researchers have explored the mechanisms underlying this integration, focusing on concepts such
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Schaller, Mark. "The behavioural immune system and the psychology of human sociality." Philosophical Transactions of the Royal Society B: Biological Sciences 366, no. 1583 (2011): 3418–26. http://dx.doi.org/10.1098/rstb.2011.0029.

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Because immunological defence against pathogens is costly and merely reactive, human anti-pathogen defence is also characterized by proactive behavioural mechanisms that inhibit contact with pathogens in the first place. This behavioural immune system comprises psychological processes that infer infection risk from perceptual cues, and that respond to these perceptual cues through the activation of aversive emotions, cognitions and behavioural impulses. These processes are engaged flexibly, producing context–contingent variation in the nature and magnitude of aversive responses. These processe
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Sperandio, Irene, Irene Sperandio, and Philippe A. Chouinard. "The Mechanisms of Size Constancy." Multisensory Research 28, no. 3-4 (2015): 253–83. http://dx.doi.org/10.1163/22134808-00002483.

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Size constancy is the result of cognitive scaling operations that enable us to perceive an object as having the same size when presented at different viewing distances. In this article, we review the literature on size and distance perception to form an overarching synthesis of how the brain might combine retinal images and distance cues of retinal and extra-retinal origin to produce a perceptual visual experience of a world where objects have a constant size. A convergence of evidence from visual psychophysics, neurophysiology, neuropsychology, electrophysiology and neuroimaging highlight the
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Shapcott, Katharine A., Joscha T. Schmiedt, Kleopatra Kouroupaki, et al. "Reward-Related Suppression of Neural Activity in Macaque Visual Area V4." Cerebral Cortex 30, no. 9 (2020): 4871–81. http://dx.doi.org/10.1093/cercor/bhaa079.

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Abstract In order for organisms to survive, they need to detect rewarding stimuli, for example, food or a mate, in a complex environment with many competing stimuli. These rewarding stimuli should be detected even if they are nonsalient or irrelevant to the current goal. The value-driven theory of attentional selection proposes that this detection takes place through reward-associated stimuli automatically engaging attentional mechanisms. But how this is achieved in the brain is not very well understood. Here, we investigate the effect of differential reward on the multiunit activity in visual
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Palmer, Colin J., Nathan Caruana, Colin W. G. Clifford, and Kiley J. Seymour. "Perceptual integration of head and eye cues to gaze direction in schizophrenia." Royal Society Open Science 5, no. 12 (2018): 180885. http://dx.doi.org/10.1098/rsos.180885.

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The perceptual mechanisms that underlie social experience in schizophrenia are increasingly becoming a target of empirical research. In the context of low-level vision, there is evidence for a reduction in the integration of sensory features in schizophrenia (e.g. increased thresholds for contour detection and motion coherence). In the context of higher-level vision, comparable differences in the integration of sensory features of the face could in theory impair the recognition of important social cues. Here we examine how the sense of where other people are looking relies upon the integration
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Merfeld, Daniel M., Sukyung Park, Claire Gianna-Poulin, F. Owen Black, and Scott Wood. "Vestibular Perception and Action Employ Qualitatively Different Mechanisms. II. VOR and Perceptual Responses During Combined Tilt&Translation." Journal of Neurophysiology 94, no. 1 (2005): 199–205. http://dx.doi.org/10.1152/jn.00905.2004.

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II. VOR and perceptual responses during combined Tilt&Translation. To compare and contrast the neural mechanisms that contribute to vestibular perception and action, we measured vestibuloocular reflexes (VOR) and perceptions of tilt and translation. We took advantage of the well-known ambiguity that the otolith organs respond to both linear acceleration and tilt with respect to gravity and investigated the mechanisms by which this ambiguity is resolved. A new motion paradigm that combined roll tilt with inter-aural translation (“ Tilt&Translation”) was used; subjects were sinusoidally
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Dissertations / Theses on the topic "Perceptual cues and mechanisms"

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Driller, Karina. "From Cue to Construct : Cues, Mechanisms, and Stability in Haptic Perception." Electronic Thesis or Diss., Sorbonne université, 2024. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2024SORUS418.pdf.

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La perception haptique sert d'interface principale avec le monde physique. Sans elle, notre capacité à comprendre et à répondre à un monde rempli d'objets et de sujets serait profondément altérée. Cette thèse traite de la manière dont nous reconstruisons perceptuellement ce qui est en contact avec notre peau à partir d'entrées mécaniques pertinentes sur le plan comportemental lors des interactions haptiques. Ces informations permettent au système sensoriel d'atteindre ses objectifs, dont l'exploration et la manipulation fine des objets. Après une introduction (Chapitre 1) couvrant les concepts
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Jones, Peter R. "Mechanisms of auditory perceptual learning." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/13376/.

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Practice improves performance on many basic auditory tasks. However, while the phenomenon of auditory perceptual learning is well established, little is known about the mechanisms underlying such improvements. What is learned during auditory perceptual learning? This thesis attempts to answer this question by applying models of performance to behavioural response data, and examining which parameters change with practice. On a simple pure tone discrimination task, learning is shown to primarily represent a reduction in internal noise, with encoding efficiency, attentiveness and bias appearing i
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Hancock, Sarah. "Perceptual mechanisms underlying binocular rivalry." Thesis, University of York, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437581.

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Seaborn, Matthew. "Colour content based image retrieval using spatial and perceptual cues." Thesis, Brunel University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342391.

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Al-Dossari, Munira. "Biases and mechanisms in perceptual memory." Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/12208.

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Intermittent presentation of an ambiguous visual stimulus leads to a memory effect in which the percept on one presentation is usually the same as on the previous presentation. This effect is a form of perceptual memory. The aim of this research was to compare and examine the different explanations of biases in this form of perceptual memory. The mechanism of the stabilisation of ambiguous perception during intermittent presentation of ambiguous stimuli was also investigated. The Participants were adult humans who voluntarily participated in the experiments. An ambiguous percept was created us
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Housley, Meghan K. "The Positivity-Cues-Familiarity Effect and Initial Stimulus Valence." Miami University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=miami1185554049.

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Hamaoui, Kamil. "The perceptual grouping of musical sequences : pitch and timing as competing cues /." Diss., Connect to a 24 p. preview or request complete full text in PDF formate. Access restricted to UC IP addresses, 2006. http://wwwlib.umi.com/cr/ucsd/fullcit?p3236630.

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Simon, Laurent. "Development of multichannel recording and reproduction techniques based on auditory perceptual cues." Thesis, University of Surrey, 2011. http://epubs.surrey.ac.uk/844355/.

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In order to capture and reproduce sound all around the listener in a perceptually realistic way, a recording technique (microphone layout) and a reproduction system (loudspeaker layout) capable of accurate 360° imaging are required. In order to develop the reproduction system, binaural and loudspeaker-based localisation cues were investigated in a literature review. The necessary loudspeaker-based localisation cues to manipulate the location of a sound image were analysed, and these showed that the common 5.1 surround sound loudspeaker arrangement could produce stable images to the front o
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Kwok, Rebecca Martha. "Visual mechanisms subserving perceptual judgement and action." Thesis, University College London (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408703.

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Wang, Xueying. "Mechanisms of Simple Perceptual Decision Making Processes." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1249662470.

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Books on the topic "Perceptual cues and mechanisms"

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Stine, Gabriel. Neural mechanisms for forming and terminating a perceptual decision. [publisher not identified], 2022.

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Zanon, Sandra Lia. Effects of combined perceptual and conceptual retrieval cues on primed word-fragment completion. National Library of Canada, 1993.

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Jan, Gauffin, and Hammarberg Britta, eds. Vocal fold physiology: Acoustic, perceptual, and physiological aspects of voice mechanisms. Singular Pub. Group, 1991.

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Hinkle, William. Neural Mechanisms Mediating the Effects of Food Cues and Acute Exercise: A functional Magnetic Resonance Imaging and Functional Connectivity Investigation. [publisher not identified], 2013.

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Sundar, S. Shyam. Social psychology of interactivity in human-website interaction. Edited by Adam N. Joinson, Katelyn Y. A. McKenna, Tom Postmes, and Ulf-Dietrich Reips. Oxford University Press, 2012. http://dx.doi.org/10.1093/oxfordhb/9780199561803.013.0007.

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This article discusses interactivity as a modality feature, source feature, and message feature. It argues that the ultimate effect of interactivity does not lie so much in its function as a peripheral cue in the message context, but as a technological feature that boosts social-psychological effects of content by creating greater user engagement with it. Interactivity can manifest itself by extending the range and functionality of all three basic elements of mediated communication – source, modality, message – and, through theoretical mechanisms involving concepts such as perceptual bandwidth
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Johnson, Samuel G. B., and Woo-kyoung Ahn. Causal Mechanisms. Edited by Michael R. Waldmann. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199399550.013.12.

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This chapter reviews empirical and theoretical results concerning knowledge of causal mechanisms—beliefs about how and why events are causally linked. First, it reviews the effects of mechanism knowledge, showing that mechanism knowledge can override other cues to causality (including covariation evidence and temporal cues) and structural constraints (the Markov condition), and that mechanisms play a key role in various forms of inductive inference. Second, it examines several theories of how mechanisms are mentally represented—as associations, forces or powers, icons, abstract placeholders, n
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Liebenthal, Einat, and Lynne E. Bernstein, eds. Neural Mechanisms of Perceptual Categorization as Precursors to Speech Perception. Frontiers Media SA, 2017. http://dx.doi.org/10.3389/978-2-88945-158-6.

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Gauffin, Jan, and Britta Hammarberg. Vocal Fold Physiology: Acoustic, Perceptual, and Physiological Aspects of Voice Mechanisms. Singular Publishing Group, 1991.

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Mattavelli, Giulia, Alessia Celeghin, and Noemi Mazzoni, eds. Explicit and Implicit Emotion Processing: Neural Basis, Perceptual and Cognitive Mechanisms. Frontiers Media SA, 2021. http://dx.doi.org/10.3389/978-2-88966-177-0.

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Centre for Vision Research International Conference on Perceptual Organization. Centre for Vision Research, York University, 2015. http://dx.doi.org/10.25071/10315/39500.

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A principal challenge for both human and machine vision systems is to integrate and organize the diversity of cues received from the environment into the coherent global representations required to make good decisions and take effective actions. This conference brings together an interdisciplinary roster of leading researchers in both biological and computer vision to report and discuss the latest research on this process of perceptual organization.
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Book chapters on the topic "Perceptual cues and mechanisms"

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Picinali, Lorenzo, and Brian F. G. Katz. "System-to-User and User-to-System Adaptations in Binaural Audio." In Sonic Interactions in Virtual Environments. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04021-4_4.

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AbstractThis chapter concerns concepts of adaption in a binaural audio context (i.e. headphone-based three-dimensional audio rendering and associated spatial hearing aspects), considering first the adaptation of the rendering system to the acoustic and perceptual properties of the user, and second the adaptation of the user to the rendering quality of the system. We start with an overview of the basic mechanisms of human sound source localisation, introducing expressions such as localisation cues and interaural differences, and the concept of the Head-Related Transfer Function (HRTF), which is
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Jansson, Gunnar. "Perceptual Theory and Sensory Substitution." In Brain Mechanisms and Spatial Vision. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5071-9_18.

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Logothetis, Nikos K., David A. Leopold, and David L. Sheinberg. "6. Neural mechanisms of perceptual organization." In Neural Basis of Consciousness. John Benjamins Publishing Company, 2003. http://dx.doi.org/10.1075/aicr.49.09log.

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Siegert, Ingo, Oliver Jokisch, Alicia Flores Lotz, Franziska Trojahn, Martin Meszaros, and Michael Maruschke. "Acoustic Cues for the Perceptual Assessment of Surround Sound." In Speech and Computer. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-66429-3_6.

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Paplu, S., H. Ahmed, A. Ashok, S. Akkus, and K. Berns. "Multimodal Perceptual Cues for Context-Aware Human-Robot Interaction." In Proceedings of SYROM 2022 & ROBOTICS 2022. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-25655-4_29.

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He, Entang, Jing Lin, Zhejun Liu, and Yize Zhang. "Research on Perceptual Cues of Interactive Narrative in Virtual Reality." In Human Interface and the Management of Information. Information Presentation and Visualization. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78321-1_22.

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Bazely, D. R. "Rules and Cues Used by Sheep Foraging in Monocultures." In Behavioural Mechanisms of Food Selection. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75118-9_18.

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Bharucha, J. J. "Cognitive and brain mechanisms in perceptual learning." In Music, Language, Speech and Brain. Macmillan Education UK, 1991. http://dx.doi.org/10.1007/978-1-349-12670-5_33.

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Trevarthen, Colwyn B. "Neuroembryology and the Development of Perceptual Mechanisms." In Postnatal Growth Neurobiology. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-0522-2_13.

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Sahoo, Somnath, and Kongara Hanumantha Rao. "Molecular Cues and Mechanisms of Pathogenesis in Candida." In Recent Advances in Human Fungal Diseases. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4909-6_6.

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Conference papers on the topic "Perceptual cues and mechanisms"

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Hoque, Adila, Seok Hun Kim, and Kyle B. Reed. "Gait Response to Rhythmic Cues: Influence of Adaptation Mechanisms and Entrainment Levels." In 2024 46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2024. https://doi.org/10.1109/embc53108.2024.10782901.

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Feit, Andrew, and Berenice Mettler. "Information-Based Analysis of Visual Cues in Human Guidance." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11578.

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Perception plays a central role in such humans' motion guidance skills as precision rotorcraft landing or driving a car. This paper investigates the information available in visible cues, relative to a first-person motion guidance task, in terms of sensory-motor guidance primitives. Human subjects performed a motion guidance task in a 3D simulation system, using only visual information. Guidance primitive patterns were identified from recorded subject motion and perception behavior. Information transfer between visual measurements and vehicle motion is quantified from the resulting data to ide
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Verma, Abhishek, and Berenice Mettler. "Analysis of Human Guidance and Perceptual Behavior in Navigation of Unknown Environments." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11526.

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The human brain is able to generate guidance strategies in unknown environments and improve performance over multiple trials. Such capabilities are challenging to implement in autonomous systems. This research uses a computational framework based on a spatial value function and invariants, described as interaction patterns, in the function to investigate human planning and learning in unknown environments. A simulation system was used for human guidance experiments in a simulated obstacle field unknown to the subjects before the experiments. The system recorded vehicle trajectory, control inpu
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Morcos, Michael, Edward Bachelder, Martine Godfroy-Cooper, Spencer Fishman, and Umberto Saetti. "Full-Body Haptic and Spatial Audio Cueing Algorithms for Augmented Pilot Perception." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1179.

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This paper illustrates the development, implementation, and testing of full-body haptic and spatial audio cueing algorithms for augmented pilot perception. Cueing algorithms are developed for roll-axis compensatory tracking tasks where the pilot acts on the displayed error between a desired input and the comparable vehicle output motion to produce a control action. The error is displayed to the pilot using multiple cueing modalities: visual, haptic, audio, and combinations of these. For the visual and combined visual haptic/audio modalities, visual cues are also considered in degraded visual e
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Rampane, Liga, Zane Zelca, and Chaima Salmi. "POLYLACTIC ACID/ZINC OXIDE NANOSTRUCTURED FIBROUS MATERIAL BY NEEDLELESS ONE SOLVENT ELECTROSPINNING FOR PROTECTION AGAINST TICK-BORNE DISEASES." In SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/6.1/s24.12.

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Ticks (Ixodidae and Argasidae) pose significant health risks as vectors for infectious diseases, with their prevalence expanding across Europe and North America. Ticks employ sophisticated sensory mechanisms, notably utilizing Haller's organs, to locate and sense their hosts. These sensory structures detect various cues, including chemosensation, changes in atmospheric CO2 concentration, and radiant heat emitted by potential hosts. Once a host is detected, landing is facilitated by electrostatic attraction, accelerating the precise positioning of the tick for feeding. Reports indicate that ZnO
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Dansie, Christopher, and Don R. Brown. "Visualizing Sequential Information With Perceptual Cues." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/eim-9027.

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Abstract A new visualization technique is presented that utilizes interactive three-dimensional graphics and perceptual cues to visualize unstructured, sequential data. Upon evaluation the optimum values, trends and relationships between segments and sequences are quickly seen using the perceptual abilities of the human visual system. This research is applied to visualizing logistics information, were decisions are made based upon multivariate, and sequential information. Using this technique the user can analyze route parameters visually rather than computationally to aid in the decision maki
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Kingsley, Caroline, Laura Mieses, and Michael Jenkins. "Adaptive HMI for Cyber-Physical Systems: Facilitating Multi-Level System Understanding for Rapid Response and Recovery." In 16th International Conference on Applied Human Factors and Ergonomics (AHFE 2025). AHFE International, 2025. https://doi.org/10.54941/ahfe1006239.

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In complex cyber-physical systems, especially those supporting high-stakes operational contexts, users face increasing demands to quickly comprehend and navigate intricate system data. As these systems grow in functionality, the volume and complexity of data presented on conventional interfaces can overwhelm users, particularly in scenarios requiring rapid response. During unexpected or unpredictable degradations of capability, users must transition swiftly from routine operations to diagnostic and triage actions, often under constrained timeframes. Conventional human-machine interfaces (HMIs)
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Rezaeirowshan, Babak, Coloma Ballester, and Gloria Haro. "Monocular Depth Ordering using Perceptual Occlusion Cues." In International Conference on Computer Vision Theory and Applications. SCITEPRESS - Science and Technology Publications, 2016. http://dx.doi.org/10.5220/0005726404310441.

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Sherrah, J., and S. Gong. "Fusion of Perceptual Cues using Covariance Estimation." In British Machine Vision Conference 1999. British Machine Vision Association, 1999. http://dx.doi.org/10.5244/c.13.56.

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Chaida, Anthi. "Perceptual cues for sentence intonation in Greek." In 3rd Tutorial and Research Workshop on Experimental Linguistics. ExLing Society, 2019. http://dx.doi.org/10.36505/exling-2010/03/0006/000126.

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Reports on the topic "Perceptual cues and mechanisms"

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Ditterich, Jochen. Neural and Computational Mechanisms of Perceptual Decisions Between Multiple Alternatives Based on Multiple Sources of Evidence. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada567245.

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BARUMERLI, Roberto, and Piotr MAJDAK. Towards a general probabilistic framework to predict human sound localization. Verlag der Österreichischen Akademie der Wissenschaften, 2025. https://doi.org/10.1553/ica_2022_probabilistic-framework.

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Our hearing system plays a significant role in understanding the space around us. Such a process is the result of the dynamic interaction between the listener and the environment. Yet, predicting how our hearing system drives space perception is still an open problem. In this work, we explore the possibility of employing Bayesian models as a quantitative method to predict human behavior in acoustic environments. We describe how perceptually relevant features can be used to estimate spatial quantities from the acoustic space (e.g., directional sound location). We further describe how the spatia
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Samach, Alon, Douglas Cook, and Jaime Kigel. Molecular mechanisms of plant reproductive adaptation to aridity gradients. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7696513.bard.

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Annual plants have developed a range of different mechanisms to avoid flowering (exposure of reproductive organs to the environment) under adverse environmental conditions. Seasonal environmental events such as gradual changes in day length and temperature affect the timing of transition to flowering in many annual and perennial plants. Research in Arabidopsis and additional species suggest that some environmental signals converge on transcriptional regulation of common floral integrators such as FLOWERING LOCUS T (FT). Here we studied environmental induction of flowering in the model legume M
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Savaldi-Goldstein, Sigal, and Siobhan M. Brady. Mechanisms underlying root system architecture adaptation to low phosphate environment. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7600024.bard.

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In order to advance our understanding towards potential biotechnology improvement of plant performance, we studied root responses to limited P in two different plants, Arabidopsis and tomato. Arabidopsis is among the most studied model plants that allows rapid application of molecular and developmental experiments while tomato is an important crop, with application in agriculture. Using Arabidopsis we found that steroid hormones modulate the extent of root elongation in response to limited P, by controlling the accumulation of iron in the root. We also found that the availability of P and iron
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Wagner, D. Ry, Eliezer Lifschitz, and Steve A. Kay. Molecular Genetic Analysis of Flowering in Arabidopsis and Tomato. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7585198.bard.

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The primary objectives for the US lab included: the characterization of ELF3 transcription and translation; the creation and characterization of various transgenic lines that misexpress ELF3; defining genetic pathways related to ELF3 function regulating floral initiation in Arabidopsis; and the identification of genes that either interact with or are regulated by ELF3. Light quality, photoperiod, and temperature often act as important and, for some species, essential environmental cues for the initiation of flowering. However, there is relatively little information on the molecular mechanisms
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Eshed-Williams, Leor, and Daniel Zilberman. Genetic and cellular networks regulating cell fate at the shoot apical meristem. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7699862.bard.

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The shoot apical meristem establishes plant architecture by continuously producing new lateral organs such as leaves, axillary meristems and flowers throughout the plant life cycle. This unique capacity is achieved by a group of self-renewing pluripotent stem cells that give rise to founder cells, which can differentiate into multiple cell and tissue types in response to environmental and developmental cues. Cell fate specification at the shoot apical meristem is programmed primarily by transcription factors acting in a complex gene regulatory network. In this project we proposed to provide si
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