Objects And Attention
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Objects And Attention
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Author : Brian J. Scholl
language : en
Publisher: MIT Press
Release Date : 2002
Objects And Attention written by Brian J. Scholl and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Psychology categories.
An overview of object-based models of attention.
The Processing Advantage For Objects
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Author : Sharon Zerlin
language : en
Publisher:
Release Date : 1987
The Processing Advantage For Objects written by Sharon Zerlin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Psychology categories.
Objects Of Attention
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Author : Jessica J. Ellis
language : en
Publisher:
Release Date : 2008
Objects Of Attention written by Jessica J. Ellis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Selective attention allows us to preferentially process a subset of the visual information from the environment, but the basic unit of information selected is a topic of current investigation. In two experiments we used a modified version of Egly et al's (1994) "two rectangles" paradigm to show that selective attention operates the same way on unitary objects as it does on perceptually grouped items. Target discrimination requiring an attentional shift was slower when the shift was between two separate rectangles than when the shift was equidistant but within a contiguous square. Moreover, the same within-object advantage was found for attentional shifts between two separate brackets facing together compared to the same brackets facing apart, supporting the theory that selective attention operates on Gestalt segmentations of the visual scene, rather than on the actual physical objects.
The Causes Distinctiveness And Effects Of Object Based Attention
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Author : Cameron T. Ellis
language : en
Publisher:
Release Date : 2014
The Causes Distinctiveness And Effects Of Object Based Attention written by Cameron T. Ellis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Attention categories.
Attention acts as a filter to expedite and accentuate the processing of relevant information. This thesis focused on understanding object-based attention, a form of visual attention in which objects are selectively filtered and prioritised. In Chapter 2, using the 'rectangle paradigm' of Egly, Driver and Rafal (1994), a measure of object-based attention was acquired by comparing the differences in reaction times to targets in cued versus uncued objects. While holding the duration of object exposure constant, when the objects appear before the cue does not affect object-based attention. Hence this result combined with other research would suggest that it is not about when the objects appear but rather how long the objects are present for that determines object-based attention. Chapter 3 used a similar method to Chapter 2 under EEG conditions to dissociate the neural basis of space- and object-based attention. It was found that space-based attention modulated the P2 component in the ERP to the target, the N1 component to the cue and the N1 component to the object. Object-based attention only affected the N1 component to the rectangle onset. Crucially, both space- and object-based attention correlated with altered processing of object information (the object onset). However these correlations with the object can be dissociated by their different directionalities and localisations. Therefore space- and object-based attention appear to represent distinct mechanisms. Chapters 2 and 3 together showed that oscillations in the magnitude of space- and object-based attention occur as the time between the cue and target changes, supporting previous work (Fiebelkorn, Saalmann, & Kastner, 2013). Chapter 4, using a motion induced blindness paradigm (Bonneh, Cooperman, & Sagi, 2001), reports that two connected circles can form an object totally outside of awareness. Whilst, the objects that formed likely produced object-based attention this was nonetheless insufficient to bring a previously unconscious stimulus into awareness. Thus object-based attention is insufficient for awareness. Overall this thesis advances the field of object-based attention and establishes a clear role for object-based attention in the visual system.
Shared Mechanisms Of Object Based Attention And Object Working Memory
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Author : Lisa Laverne Barnes
language : en
Publisher:
Release Date : 1996
Shared Mechanisms Of Object Based Attention And Object Working Memory written by Lisa Laverne Barnes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Object Recognition Attention And Action
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Author : Naoyuki Osaka
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-03-12
Object Recognition Attention And Action written by Naoyuki Osaka and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-12 with Medical categories.
Human object recognition is a classical topic both for philosophy and for the natural sciences. Ultimately, understanding of object recognition will be promoted by the cooperation of behavioral research, neurophysiology, and computation. This original book provides an excellent introduction to the issues that are involved. It contains chapters that address the ways in which humans and machines attend to, recognize, and act toward objects in the visual environment.
From Fragments To Objects
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Author : Thomas F. Shipley
language : en
Publisher: Elsevier
Release Date : 2001-11-30
From Fragments To Objects written by Thomas F. Shipley and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-11-30 with Medical categories.
"This book addresses the problem of how the human visual system organizes inputs that are fragmented in space and time into coherent, stable perceptual units - objects. In doing so it addresses the following questions: what kinds of segmentation and grouping abilities exist in human perceivers? What information and computational processes achieve segmentation and grouping? What are the psychological consequences of perceiving whole objects?" "From Fragments to Objects: Segmentation and Grouping in Vision takes a comprehensive cognitive science approach to object perception, brings together separate lines of research in object perception in one volume, gives an integrated and up-to-date review of theory and empirical research and offers directions for future study."--Jacket.
Physiological Evidence Of Interactive Object Based And Space Based Attention Mechanisms
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Author :
language : en
Publisher:
Release Date : 2005
Physiological Evidence Of Interactive Object Based And Space Based Attention Mechanisms written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Attention categories.
Visual attention has been likened to a spotlight that enhances both attended and nearby objects. However, experiments employing overlapping stimuli have shown that individuals are able to attend selectively to one object while suppressing the other. These data are problematic for spotlight theories of selection, suggesting that under some circumstances, selection may also be made with respect to objects rather than spatial location. It has been suggested that these two types of selection are achieved by a single mechanism by which the attentional spotlight conforms to the boundary of an object. Alternatively, space- and object-based selection may be independent, but mutually supporting systems. The present set of experiments examined the relationship between object-based and space-based selection using event-related potentials (ERPs). Previous research has shown that attention to spatial location results in an enhancement of the P1 and N1 components of the ERP. This pattern is associated with spatial attention and is not seen when observers are attending to non-spatial attributes, such as color or shape. In the object-based attention condition, ERPs were collected in response to flashes on attended objects, unattended overlapping objects, and unattended objects at far locations. In the space-based attention condition, ERPs were elicited by the same flashes occurring in empty locations. Both space-based and object-based ERPs produced P1 and N1 components, but only the space-based ERPs showed an attentional effect on P1 amplitude. The attentional effect on the parietal N1 was nearly identical for both object- and space-based ERPS. These data suggest that space and object-based attention may be separate, but interactive systems.
What Sort Of Attention Do New Visual Objects Capture And How
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Author : A. R. H. Gellatly
language : en
Publisher:
Release Date : 2002
What Sort Of Attention Do New Visual Objects Capture And How written by A. R. H. Gellatly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Psychology categories.
Object Recognition Attention And Action
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Author : Naoyuki Osaka
language : en
Publisher: Springer
Release Date : 2007-09-18
Object Recognition Attention And Action written by Naoyuki Osaka and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-18 with Medical categories.
Human object recognition is a classical topic both for philosophy and for the natural sciences. Ultimately, understanding of object recognition will be promoted by the cooperation of behavioral research, neurophysiology, and computation. This original book provides an excellent introduction to the issues that are involved. It contains chapters that address the ways in which humans and machines attend to, recognize, and act toward objects in the visual environment.
