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Dissertations / Theses on the topic 'Visual distraction'

Author: Grafiati

Published: 7 September 2021

Last updated: 29 July 2025

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1

Hirsh, Adam Harrison. "Visual Attention and Distraction: Contribution of Orexins." W&M ScholarWorks, 2011. https://scholarworks.wm.edu/etd/1539626672.

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2

Oliver, Jason A. "Visual Search for Smoking Stimuli: Detection and Distraction." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3268.

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Extensive research has shown that the attentional systems of addicted individuals are biased towards drug-related stimuli, but despite several decades of effort these results have frequently been inconsistent. Though commonly believed to result from addiction and dependence, cognitive research would suggest that frequent exposure to drug-related stimuli could affect the attentional processing of drug-related cues even if no actual drug use occurs. The present investigation examined attentional bias for smoking cues using a novel visual search paradigm amongst smokers currently in nicotine with

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3

Goschy, Harriet-Rosita. "Top-down shielding from distraction in visual attention." Diss., Ludwig-Maximilians-Universität München, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:19-171000.

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The present work examines top-down shielding from distraction in visual attention; that is, under which circumstances can the intentions and goals of an observer counteract the bottom-up salience of irrelevant distractors. Several factors of influence will be considered: First, prior experience with distractors, i.e. did observers previously acquire an effective distractor shielding strategy; second, intra- vs. cross-dimensionality of distractors, i.e. are irrelevant distractors defined in the same feature dimension (e.g., shape, color) as the target or in a different feature dimension; third,

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4

Cosman, Joshua Daniel. "Task-specific learning supports control over visual distraction." Diss., University of Iowa, 2012. https://ir.uiowa.edu/etd/2845.

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There is more information in the visual environment than we can process at a given time, and as a result selective attention mechanisms have developed that allow us to focus on information that is relevant to us while ignoring information that is not. It is often assumed that our ability to overcome distraction by irrelevant information in the environment requires conscious, effortful processing, and traditional theories of selective attention have emphasized the role of an observer's explicit intentions in driving this co

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5

Yekhshatyan, Lora. "Detecting distraction and degraded driver performance with visual behavior metrics." Diss., University of Iowa, 2010. https://ir.uiowa.edu/etd/910.

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Driver distraction contributes to approximately 43% of motor-vehicle crashes and 27% of near-crashes. Rapidly developing in-vehicle technology and electronic devices place additional demands on drivers, which might lead to distraction and diminished capacity to perform driving tasks. This situation threatens safe driving. Technology that can detect and mitigate distraction by alerting drivers could play a central role in maintaining safety. Correctly identifying driver distraction in real time is a critical challenge in developing distraction mitigation systems, and this function has not been

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6

Lansdown, Terry C. "Visual demand and the introduction of advanced driver information systems into road vehicles." Thesis, Loughborough University, 1996. https://dspace.lboro.ac.uk/2134/7438.

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This thesis contains six studies investigating the impact of advanced in-vehicle information systems on the visual demands of the driver. The experiments, while self-contained were conceived to relate together in a cohesive manner. The first study investigated the reliability of visual behaviour assessment. Video tape records from experimental trials were analysed post-hoc. Significant test/retest correlations were obtained. Experiment two considered the visual demands of the driving task without intervention from new technologies. Results from road trials using an instrumented vehicle suggest

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7

Anderson, Brian A. "Explaining variations in the magnitude of attentional capture new tests of a two-process model /." Click here for download, 2009. http://proquest.umi.com/pqdweb?did=1707419901&sid=1&Fmt=2&clientId=3260&RQT=309&VName=PQD.

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8

Savage, Steven William. "Oculomotor and electrophysiological markers of cognitive distraction during low-level and complex visual tasks." Thesis, University of Dundee, 2015. https://discovery.dundee.ac.uk/en/studentTheses/3a3a2a97-a3ba-46c5-aecf-a52d10e3b25b.

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Distraction during driving is one of the leading contributors to injury and mortality rates in traffic accidents. The aim of this current thesis was to consider 1) whether oculomotor and electrophysiological metrics could act as markers of cognitive distraction; 2) whether decrements in hazard perception performance caused by secondary cognitive task demand are to some extent due to cognitive load interfering with processes of alerting, orienting, inhibitory control and visual search; 3) what elements of secondary cognitive tasks have the greatest impact on hazard perception performance; and 4

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9

Peterson, Stephen D. "Stereoscopic label placement reducing distraction and ambiguity in visually cluttered displays /." Doctoral thesis, Norrköping : Department of Science and Technology, Linköping University, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-51742.

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10

Lindvall, Sofia. "Speech versus visual-manual interfaces in trucks: effects on driver distraction, user acceptance, and perceived efficiency." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-135490.

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Truck drivers often have a tight time schedule and therefore need to carry out several in-vehicle tasks while driving, such as making phone calls, writing down information and navigating to new places. Performing these tasks using a visual-manual interface can impose visual distraction which has been shown to lead to safety-critical events on the roads. Instead of using a visual-manual interface, a speech interface could be a safer alternative if designed properly. However, the cognitive load demanded by speech interfaces and the connection between cognitive load and driving behaviour is not f

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11

Cavicchi, Shari <1991&gt. "Distraction by task-irrelevant stimuli: the effects of endogenous spatial attention and visual working memory load." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amsdottorato.unibo.it/10391/1/Cavicchi%20S.pdf.

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Salient stimuli, like sudden changes in the environment or emotional stimuli, generate a priority signal that captures attention even if they are task-irrelevant. However, to achieve goal-driven behavior, we need to ignore them and to avoid being distracted. It is generally agreed that top-down factors can help us to filter out distractors. A fundamental question is how and at which stage of processing the rejection of distractors is achieved. Two circumstances under which the allocation of attention to distractors is supposed to be prevented are represented by the case in which distractors oc

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12

Goschy, Harriet-Rosita [Verfasser], and Michael [Akademischer Betreuer] Zehetleitner. "Top-down shielding from distraction in visual attention : factors of influence / Harriet-Rosita Goschy. Betreuer: Michael Zehetleitner." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2014. http://d-nb.info/1053913737/34.

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13

MARINI, FRANCESCO. "Attentional control guides the strategic filtering of potential distraction as revealed by behavior and Fmri." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/50236.

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When dealing with significant sensory stimuli, performance can be hampered by distracting events. Attention mechanisms lessen such negative effects, enabling selection of relevant information while blocking potential distraction. Recent work shows that preventing the negative impact of forthcoming distraction is actively achieved by attentional selection processes. Thus, I hypothesize that the engagement of a distraction-filtering mechanism to counteract distraction, although indisputably beneficial when distraction occurs, also taxes cognitive-brain systems when distraction is expected but do

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14

Chambers, Destinee L. "Understanding Occlusion Inhibition: A Study of the Visual Processing of Superimposed Figures." Amherst, Mass. : University of Massachusetts Amherst, 2009. http://scholarworks.umass.edu/open_access_dissertations/6/.

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15

Matias, Jérémy. "La distraction par des stimuli associés à une récompense et le contrôle attentionnel dans des tâches de recherche visuelle." Thesis, Université Clermont Auvergne‎ (2017-2020), 2019. http://www.theses.fr/2019CLFAL010/document.

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Au quotidien, notre attention sélective nous permet de sélectionner les informations pertinentes au regard de notre tâche et d'ignorer celles qui ne le sont pas, afin de maintenir un comportement cohérent avec nos buts. Néanmoins, dans certaines situations, un stimulus complètement non-pertinent peut capturer notre attention contre notre volonté et, de ce fait, produire un phénomène de distraction. La distraction a initialement été considérée comme essentiellement dépendante de la saillance perceptive des distracteurs. Cependant, de récentes études ont mis en évidence que les stimuli associés

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16

Deplancke, Antoine. "Approche psychophysique des dissociations perception-action : effet de la détection de distracteurs au seuil sur l’atteinte de cibles visuelles." Thesis, Lille 3, 2012. http://www.theses.fr/2012LIL30033/document.

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La théorie dominante suggérant une séparation entre une vision consciente pour la perception et une vision non consciente pour l'action au sein du système visuel fut particulièrement discutée au cours des dernières décennies. La thèse défendue ici se positionne dans le cadre d'une approche alternative reposant sur une évaluation conjointe des réponses motrice et perceptive en présence de stimuli au seuil perceptif. Les travaux réalisés dans ce contexte ont initialement porté sur les temps de réaction et ont contribué au développement d'un modèle psychophysique postulant que les réponses percep

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17

Rodrigues, Pedro Filipe da Silva. "The influence of the visual surrounding environment in visuo-spatial cognitive tasks: a developmental study." Doctoral thesis, Universidade de Aveiro, 2018. http://hdl.handle.net/10773/23732.

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Doutoramento em Psicologia<br>A distração visual é amplamente estudada em diversos grupos etários. Habitualmente, nessas investigações, os estímulos-alvo e os distratores são apresentados no mesmo display visual (e.g., no ecrã do computador), um procedimento que parece reproduzir insatisfatoriamente as condições diárias em que atuamos. No nosso dia-a-dia, as tarefas são frequentemente realizadas em ambientes que nos cercam com diversos estímulos visuais; contudo pouco se sabe sobre a sua influência concreta no nosso desempenho cognitivo. O objetivo principal deste projeto foi desenvolve

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18

Marsja, Erik. "Attention capture by sudden and unexpected changes : a multisensory perspective." Doctoral thesis, Umeå universitet, Institutionen för psykologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-141852.

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The main focus for this thesis was cross-modal attention capture by sudden and unexpected sounds and vibrations, known as deviants, presented in a stream the same to-be-ignored stimulus. More specifically, the thesis takes a multisensory perspective and examines the possible similarities and differences in how deviant vibrations and sounds affect visual task performance (Study I), and whether the deviant and standard stimuli have to be presented within the same modality to capture attention away from visual tasks (Study II). Furthermore, by presenting spatial deviants (changing the source of t

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19

Wege, Claudia. "Adaptive Eyes." Doctoral thesis, Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-164158.

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Technology pervades our daily living, and is increasingly integrated into the vehicle – directly affecting driving. On the one hand technology such as cell phones provoke driver distraction and inattention, whereas, on the other hand, Advanced Driver Assistance Systems (ADAS) support the driver in the driving task. The question is, can a driver successfully adapt to the ever growing technological advancements? Thus, this thesis aimed at improving safe driver behaviour by understanding the underlying psychological mechanisms that influence behavioural change. Previous research on ADAS and human

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20

Panagiotidou, Despina. "Distractor, temporal, and inhibitory variations of the distractor devaluation effect of visual selective attention." Thesis, University of Sheffield, 2015. http://etheses.whiterose.ac.uk/10399/.

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21

Chan, Wing-lui, and 陳穎蕾. "Task-dependent target-distractor discriminability effect on repetitionblindness." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B45789782.

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22

Rogers, Wendy Anne. "Target and distractor learning in visual search : age-related differences." Thesis, Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/28731.

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23

PETILLI, MARCO ALESSANDRO. "Proactive Top-Down Processes in Visual Search." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2018. http://hdl.handle.net/10281/199069.

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La letteratura ha indagato il ruolo dei processi top-down e bottom-up nel guidare la ricerca visiva. Recenti studi hanno suggerito un ruolo modulatorio dei processi top-down sulla cattura attentiva. Tuttavia, i risultati sono contraddittori, e il ruolo dei processi top-down non è stato ancora chiaramente stabilito. In questo lavoro, abbiamo studiato se il controllo top-down fosse reclutato proattivamente quando c’è un’aspettativa di distrattori e abbiamo adottato il paradigma di Distraction Context Manipulation (DCM) per caratterizzare il loro reclutamento nella ricerca visiva. Pertanto, abbi

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24

Poisson, Marie E. "Studies in visual search : effects of distractor ratio and local grouping processes." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70299.

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According to Feature Integration Theory (Treisman & Gelade, 1980), search for a target defined by features on two different dimensions (e.g. green horizontal target among red horizontal and green vertical distractors) is conducted via serial attentive search of all items in the array. Results presented in this thesis clearly demonstrate that conjunction search is not conducted as a serial self-terminating search, and suggest that subjects selectively search a single feature set. Strong support is also provided for the role of local grouping processes in visual conjunction search. This includes

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25

Bonetti, Francesca. "Distractor filtering in the visual attention domain: evidence for habituation of attentional capture." Doctoral thesis, Università degli studi di Trento, 2019. http://hdl.handle.net/11572/245992.

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In everyday life, we are constantly surrounded by a huge amount of information.Since our attentional resources are limited, we need to select just the stimuli that we want to process. Despite our voluntary attempt to select a precise information, it often occurs that a salient stimulus or event automatically captures our attention, regardless its irrelevance. The fact that we are immediately and unintentionally attracted by sudden visual onsets provides a clear advantage for our survival. However, in spite of that, the possibility to counteract visual distraction is fundamental for an efficien

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Bonetti, Francesca. "Distractor filtering in the visual attention domain: evidence for habituation of attentional capture." Doctoral thesis, Università degli studi di Trento, 2019. http://hdl.handle.net/11572/245992.

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In everyday life, we are constantly surrounded by a huge amount of information.Since our attentional resources are limited, we need to select just the stimuli that we want to process. Despite our voluntary attempt to select a precise information, it often occurs that a salient stimulus or event automatically captures our attention, regardless its irrelevance. The fact that we are immediately and unintentionally attracted by sudden visual onsets provides a clear advantage for our survival. However, in spite of that, the possibility to counteract visual distraction is fundamental for an efficien

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27

Zhang, Bei [Verfasser], and Hermann [Akademischer Betreuer] Müller. "Statistical learning of distractor locations in visual search / Bei Zhang ; Betreuer: Hermann Müller." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2021. http://d-nb.info/1241963770/34.

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28

Dimitrova, Marina. "Life at stake when playing hide and seek concealing effects of prey colouration and visual backgrounds /." Doctoral thesis, Stockholm : Department of Zoology, Stockholm University, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-30548.

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Diss. (sammanfattning) Stockholm : Stockholms universitet, 2009.<br>At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 1: Manuscript. Paper 2: Accepted. Härtill 4 uppsatser.

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Fullenkamp, Steven Charles. "The Effect of Cue and Target Similarity on Visual Search Response Times: Manipulation of Basic Stimulus Characteristics." Wright State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=wright1388500646.

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30

Tagu, Jérôme. "Le rôle de la dominance oculaire dans la boucle perception-action : une propriété à l'origine d'asymétries perceptives et motrices How eye dominance strength modulates the influence of a distractor on saccade accuracy Isoler les effets de la dominance oculaire et du biais attentionnel sur la précision des saccades Influence de la dominance oculaire sur les sélections oculomotrice et attentionnelle Recentering bias for temporal saccades only: evidence from binocular recordings of eye movements Quantifying eye dominance strength – New insights into the neurophysiological bases of saccadic asymmetries." Thesis, Sorbonne Paris Cité, 2018. https://wo.app.u-paris.fr/cgi-bin/WebObjects/TheseWeb.woa/wa/show?t=1818&f=14763.

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L'homme présente plusieurs préférences latérales, utilisant plutôt une main, un pied et un œil donnés. Si l'impact de la latéralité manuelle sur les performances perceptives et motrices a été très étudié, le rôle des autres latéralités est mal connu. Le premier axe de cette thèse avait pour objectif de mieux comprendre la place de la dominance oculaire dans les processus perceptivo-moteurs. L’œil dominant est celui choisi lors de la réalisation d'une tâche monoculaire. La neuroimagerie a montré qu'il était lié au cortex visuel primaire ipsilatéral, et du fait du croisement des voies optiques,

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31

Casteau, Soazig. "Etude des mécanismes de génération des mouvements saccadiques chez l'homme : effets des propriétés de la configuration visuelle sur la latence et la métrique des saccades." Phd thesis, Université de Provence - Aix-Marseille I, 2012. http://tel.archives-ouvertes.fr/tel-00705074.

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Les saccades sont de brefs mouvements des yeux dont le but est d'amener les objets visuels périphériques sur la partie fovéale de la rétine pour une analyse détaillée. L'ensemble des modèles considère que la programmation de la métrique des saccades reflète en premier lieu le codage spatial distribué au sein du colliculus supérieur (CS), et n'est que secondairement modulée par des processus cognitifs endogènes. De plus, la majorité considère que les interactions latérales entre les neurones du CS (locales et excitatrices ou distantes et inhibitrices) déterminent où mais aussi quand les yeux bo

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32

Chiarovano, Elodie. "Instabilité posturale chez les séniors : dysfonction vestibulaire périphérique ou centrale ?" Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCB006.

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L’instabilité posturale est fréquente chez les séniors et peut entrainer la chute. La chute chez les séniors est un problème majeur de santé publique. Les chiffres épidémiologiques sont éloquents : une personne sur trois âgées de plus de 70 ans fera une chute dans l’année. Les causes sont multifactorielles : ostéo-articulaire, visuelle, cognitive, vestibulaire…. Dans cette étude, nous nous sommes intéressés à l’évolution de la fonction des récepteurs vestibulaires périphériques avec l’âge et à la perception de rotation à partir des entrées canalaires horizontales (système vestibulaire central

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33

"Evaluating the effectiveness of a visual sign in reducing distraction during medication administration." 2008. http://library.cuhk.edu.hk/record=b5896777.

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Kan, Ka Lai Carrie.<br>"May 2008."<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2008.<br>Includes bibliographical references (leaves 118-125).<br>Abstracts in English and Chinese, some text in appendix also in Chinese.<br>Chapter CHAPTER 1: --- INTRODUCTION --- p.1<br>Chapter CHAPTER 2: --- LITERATURE REVIEW<br>Introduction --- p.3<br>Medication error --- p.4<br>Definition of medication error --- p.4<br>Incidents of medication error --- p.6<br>The issues of defining medication error --- p.7<br>The issue of medication error reporting --- p.8<br>Near miss --- p.9<br>Factors asso

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34

Sawford, RG. "Attention to distraction : a visual investigation of temporal experience through time-based media." Thesis, 2013. https://eprints.utas.edu.au/17133/2/Whole-Sawford-thesis-203.pdf.

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This project has explored the relationship between the moving image and temporal experience. Acknowledging the constructed temporality of narrative cinema, in conjunction with what Peter Osborne has described as distracted perception, I have examined the potential for the moving image to direct attention to the here-and-now. What began as an attempt to provide an antidote to the condition of distraction through contemplative immersion evolved as a reflection on the temporal dialectic of contemporary experience. The project’s concern with temporal experience is based on my response to working

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35

Labossière, Danielle I. "Effects of exposure to emotionally-charged distractors on subsequent visual search performance." 2014. http://hdl.handle.net/1993/23993.

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Emotionally charged stimuli have been reported as efficient distractors during visual search (e.g., Eastwood, Smilek, Merikle, 2001; Hansen & Hansen, 1988; Öhman, 2002; Öhman, Flykt, & Esteves, 2001; Öhman & Soares, 1993). The extensiveness and specificity of the influence of such distractions for attention and performance beyond the context of their presentation were currently investigated. Of interest was whether prior experiences of distraction from such stimuli influence spatial attention during a subsequent visual event. General and location-specific bases of such effects and the role of

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36

Chen, Zheng-Li, and 陳正立. "Distraction Effects of In-vehicle Navigation Display, DVD Entertainment Device, and Age upon Driver''s Driving Behaviors and Visual Detection Performance." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/33030100308762189713.

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碩士<br>國立雲林科技大學<br>工業工程與管理研究所碩士班<br>95<br>The study investigated the distraction effects of three navigation display modalities (baseline vs. HUD vs. auditory), two locations of DVD device (in front of driver vs. in back of driver), three DVD attention demand conditions (baseline vs. pay attention vs. pay no attention) and age (younger vs. elderly) on driving behaviors and visual detection performance under both low and high load driving conditions. 18 younger and 18 elderly subjects participated in two experiments using navigation and DVD entertainment systems. Results indicated that: (1) For

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Wege, Claudia. "Adaptive Eyes: Driver Distraction and Inattention PreventionThrough Advanced Driver Assistance Systems and Behaviour-Based Safety." Doctoral thesis, 2013. https://monarch.qucosa.de/id/qucosa%3A20226.

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Technology pervades our daily living, and is increasingly integrated into the vehicle – directly affecting driving. On the one hand technology such as cell phones provoke driver distraction and inattention, whereas, on the other hand, Advanced Driver Assistance Systems (ADAS) support the driver in the driving task. The question is, can a driver successfully adapt to the ever growing technological advancements? Thus, this thesis aimed at improving safe driver behaviour by understanding the underlying psychological mechanisms that influence behavioural change. Previous research on ADAS and huma

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Carr, Renee. "The effects of modulating temporal separation and distractor identity on distractor interference in an older population sample." Thesis, 2009. https://vuir.vu.edu.au/30092/.

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The phenomenon of distractor interference indicates that information not relevant to the goal is processed and has an impact on goal-directed actions. Recent work in young, healthy participants indicates that distractors presented simultaneously and also 200ms prior to targets have a significant, though attenuated, impact on responses to targets (Kritikos, McNeill & Pavlis 2008; Watson & Humphreys 1998). Beyond this interval, interference starts to diminish (Kritikos et al., 2008; Watson & Humphreys 1998). Incongruent distractors presented 200 ms prior to targets are associated with gre

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Su, Sara L., Frédo Durand, and Maneesh Agrawala. "De-Emphasis of Distracting Image Regions Using Texture Power Maps." 2005. http://hdl.handle.net/1721.1/30220.

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We present a post-processing technique that selectively reduces the salience of distracting regions in an image. Computational models of attention predict that texture variation influences bottom-up attention mechanisms. Our method reduces the spatial variation of texture using power maps, high-order features describing local frequency content in an image. Modification of power maps results in effective regional de-emphasis. We validate our results quantitatively via a human subject search experiment and qualitatively with eye tracking data.<br>Singapore-MIT Alliance (SMA)

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Stanley, Clayton. "Visual Displays: Developing a Computational Model Explaining the Global Effect." Thesis, 2009. http://hdl.handle.net/1911/27362.

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This work aims to integrate Byrne’s theory of visual salience computation (2006) with Salvucci’s model of eye movements (2001) by testing participants on a visual search task similar to Findlay (1997). By manipulating the number, salience, and spacing of targets, participants exhibited the global effect averaging phenomena during the first recorded saccade, whereby short‐latency saccades land in between adjacent objects. Previous work has argued that the saccadic targeting system causing the averaging is influenced both by the salience and arrangement of objects displayed (Rao, Zelinsky, Hayho

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Elahipanah, Ava. "Visual Attention among Patients with Schizophrenia: A Study of Visual Span and Selectivity in Visual Search." Thesis, 2013. http://hdl.handle.net/1807/43553.

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Attention is one of the most impaired cognitive functions in schizophrenia; however, the precise mechanisms underlying schizophrenia-related attention impairment are unclear. Progress in identifying these mechanisms has been hampered by using methods that are not designed to isolate specific cognitive processes. The purpose of the present dissertation was to investigate visual attention among patients with schizophrenia using the visual search paradigm — the dominant paradigm for studying attention in the cognitive sciences. Moreover, the current study used eye-tracking methodology to more fin

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Kotsopoulos, Eleftheria. "Visual selective attention: the effect of stimulus onset, perceptual load, and working memory demand on distractor interference." Thesis, 2009. https://vuir.vu.edu.au/15212/.

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Humans are capable of selecting information that is goal-relevant. Irrelevant (distractor) information, however, typically is not filtered completely and impacts on responses to the goal. Recent theories of selective attention indicate that distractor interference is determined by the perceptual load of a visual display and the availability of cognitive control mechanisms (working memory load). It is unclear however, which mechanisms assist efficient selective attention and how irrelevant distracting information is rejected. Using a go/no-go visual attention task (Experiment 1) and a visual

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Kotsopoulos, Eleftheria. "Visual selective attention the effect of stimulus onset, perceptual load, and working memory demand on distractor interference /." 2009. http://eprints.vu.edu.au/15212/1/Kotsopoulos_Eleftheria_Visual_Attention.pdf.

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Humans are capable of selecting information that is goal-relevant. Irrelevant (distractor) information, however, typically is not filtered completely and impacts on responses to the goal. Recent theories of selective attention indicate that distractor interference is determined by the perceptual load of a visual display and the availability of cognitive control mechanisms (working memory load). It is unclear however, which mechanisms assist efficient selective attention and how irrelevant distracting information is rejected. Using a go/no-go visual attention task (Experiment 1) and a visual se

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Patacca, Alessia. "The impact of emotional stressors on distractor filtering." Doctoral thesis, 2019. http://hdl.handle.net/11562/995343.

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Human beings constantly deal with an enormous amount of information that cannot be processed at once. Given the limited cognitive resources available for the processing of incoming information, visual selective attention has the role to differentiate between competing stimuli in order to facilitate the processing of stimuli that are relevant for adaptive behaviours. From an evolutionary perspective, stimuli with emotional content, in particular those signalling danger or threat, are very powerful in attracting and holding attention even if they are task-irrelevant. Moreover, emotional stimuli

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Dolci, Carola. "The complex interaction between different attentional control mechanisms during visual search." Doctoral thesis, 2022. https://hdl.handle.net/11562/1077987.

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The brain selectively processes incoming sensory information and plans adequate motor output aimed at behaviourally relevant objects in the environment, based on different attentional control (AC) mechanisms. The contribution of single AC mechanisms to visual attention has been extensively investigated; still, it remains unclear how those different biasing signals interact with one another in order to reach the final choice of which spatial location (or stimulus) is worth of attention. The main goal of my PhD project was to investigate whether different AC mechanisms jointly act to shape prior

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Wilson, NR. "P1 event-related potential component modulations and behavioural inhibitory cueing effects in the presence of a distractor stimulus." Thesis, 2018. https://eprints.utas.edu.au/31170/1/Wilson_whole_thesis.pdf.

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Inhibitory cueing effects (ICEs) denote slowed responses to a target stimulus caused by exposure to a cue appearing in the same location and are thought to improve the efficiency of visual search. Research has demonstrated the existence of two types of ICE – those that are generated along input pathways (sensory/perceptual; observed when the oculomotor system is suppressed) and those that are generated along output pathways (oculomotor; observed when the oculomotor system is active). Within a spatial cueing task using oculomotor suppressed (for input ICEs) and oculomotor active (for output ICE

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Di, Caro Valeria. "Dealing with distractor interference: the impact of suppression history on attentional and oculomotor capture." Doctoral thesis, 2020. http://hdl.handle.net/11562/1016677.

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Salient distractors appearing in the visual field trigger an involuntary oculomotor capture, so being able to ignore them is paramount for an efficient attentional selection. Recent findings have revealed that past experience of distractor filtering greatly affects the deployment of attention such that it can reduce the priority of locations frequently associated with irrelevant information and, accordingly, weaken the interference of distractor appearing therein. Such benefit associated with suppression history suggests that selective attention has adaptive experience-dependent features. Ther

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Fortier-Gauthier, Ulysse. "Il était une fois une cible et un distracteur : électrophysiologie des mécanismes corticaux de l'attention visuelle en perception et en mémoire." Thèse, 2015. http://hdl.handle.net/1866/13737.

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