The Neural Basis Of Visual Feature Binding
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The Neural Basis Of Visual Feature Binding
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Author : Kiley Seymour
language : en
Publisher:
Release Date : 2009
The Neural Basis Of Visual Feature Binding written by Kiley Seymour and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Neural analyzers categories.
Inhibition In The Process Of Feature Binding
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Author : Snehlata Jaswal
language : en
Publisher: Frontiers E-books
Release Date :
Inhibition In The Process Of Feature Binding written by Snehlata Jaswal and has been published by Frontiers E-books this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Feature binding is the process whereby different features such as shape, colour, size, orientation, location, etc. are linked together to form a coherent representation of the object. It is a ubiquitous physiological sequence and an essential phase in information processing, for it provides the basis of mental representations, which in turn, are requisite for all cognitive functions. It is important to realize though, that binding is not an isolated process. There are myriad stimuli impinging on our senses at all times, vying to gain entry into our consciousness. Further, not only does sensory input emanate from a complex, dynamic environment, but it also enters a neural system that is already activated by previous inputs and is oriented towards future goals. Which aspects of the momentary sensory input are selected for further processing depends as much on the state of the system as it does on the sensory input itself. Indeed, some fundamental questions one may ask about binding are whether, why, and how, some features are selected for binding at the cost of others. The bottom-up view of information processing is that the input received by the brain is processed in a largely automatic way to the higher centers in the brain. The physiological basis of binding is postulated to be either conjunctively coding neurons, or synchrony among participating neural networks to encode features and out of phase neural activity to encode separate objects. But, mere perceptual integration of features, whether by synchrony or by specialized neurons, does not even begin to capture the implication that binding results in coherent objects, fundamental for further information processing. An object is not only a bundle of features. At the very least, the features need to be integrated so that the object can be distinguished from other objects. This implies selection and manipulation of the basic information supplied by separate features. The top-down view of information processing contends that binding is more influenced by the reentrant processes (the downward and lateral feedback to the lower areas, emanating from the higher centers of the brain). Reentrant processes not only help to confirm what is correct but also resolve competition. These top-down processes are linked to attention and higher cognitive functions help select relevant input. We aim to debate what happens to the irrelevant information in the process of binding. Are irrelevant features simply lost from the system over time, or are they deliberately deleted? Is there any inhibitory process involved in binding? What is the empirical evidence for such a process at the behavioral level? Is such a process active and resource-demanding or relatively passive and automatic? What do neuropsychological studies show? What are the physiological underpinnings of such a process? How is it incorporated in computational models to increase our understanding of the binding process? The idea is to bring together diverse views on ‘Inhibition in Feature Binding’ with the ultimate aim of better understanding the process of binding and invoking informed and insightful future research.
The Neural Basis Of Visual Attention In The Human Brain
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Author : Ewa Halina Wojciulik
language : en
Publisher: Ann Arbor, Mich. : University Microfilms International
Release Date : 1997
The Neural Basis Of Visual Attention In The Human Brain written by Ewa Halina Wojciulik and has been published by Ann Arbor, Mich. : University Microfilms International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Tutorials In Visual Cognition
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Author : Veronika Coltheart
language : en
Publisher: Routledge
Release Date : 2011-01-07
Tutorials In Visual Cognition written by Veronika Coltheart and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-01-07 with Psychology categories.
In the late-1980s, visual cognition was a small subfield of cognitive psychology, and the standard texts mainly discussed just iconic memory in their sections on visual cognition. In the subsequent two decades, and especially very recently, many remarkable new aspects of the processing of brief visual stimuli have been discovered -- change blindness, repetition blindness, the attentional blink, newly-discovered properties of visual short-term memory and of the face recognition system, the influence of reentrant processing on visual perception, and the surprisingly intimate relationships between eyeblinks and visual cognition. This volume provides up-to-date tutorial reviews of these many new developments in the study of visual cognition written by the leaders in the discipline, providing an incisive and comprehensive survey of research in this dynamic field.
Binding
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Author : James R. Brockmole
language : en
Publisher:
Release Date : 2009
Binding written by James R. Brockmole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Medical categories.
The articles in this special issue of Visual Cognition cover three major types of binding, each of which may require a unique solution: The binding of features within objects, the relational binding among objects, and the binding between temporally related events.
The Neural Basis Of Visual Object Perception
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Author : Sarah R. Allred
language : en
Publisher:
Release Date : 2006
The Neural Basis Of Visual Object Perception written by Sarah R. Allred and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Neural Binding Of Space And Time Spatial And Temporal Mechanisms Of Feature Object Binding
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Author : Mark Elliott
language : en
Publisher: Psychology Press
Release Date : 2015-06-12
Neural Binding Of Space And Time Spatial And Temporal Mechanisms Of Feature Object Binding written by Mark Elliott and has been published by Psychology Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-12 with Medical categories.
Some of the central problems to be solved by the brain, such as figure-ground coding and object recognition, concern the binding of separately coded feature elements into coherent object representations. The binding problem has recently been approached by a variety of disciplines, notably psychophysics, and experimental psychology, electrophysiology, neurophysiology and computational modelling. This special issue brings together a collection of papers principally from psychology and computational modelling. These papers address issues in Gestalt formation, the relation of grouping and binding processes to visual attention, the role of temporal factors for grouping and binding, the neuronal correlates of binding mechanisms, the development of binding operations in infants and the breakdown of these processes following brain injury.
Mechanisms Of Target Selection And Feature Binding In Visual Object Recognition
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Author : Bernd Schönwälder
language : en
Publisher:
Release Date : 2007
Mechanisms Of Target Selection And Feature Binding In Visual Object Recognition written by Bernd Schönwälder and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
It has become common knowledge that if there is a unifying principle that enables the human brain to realize its tremendous capabilities, then it is its highly parallel organisation of underlying processes. However, the mystery of integration of all these distributed processes into the single, coherent consciousness that we experience, also referred to as the "binding problem", is still one of the most controversial research topics in modern cognitive neuroscience. This thesis aims to contribute methodological as well empirical advances to the understanding of general, formalised properties of different types of integration mechanisms for visual featural information, which are supposed to be involvedin early as well as in late processing stages of the visual system. It focuses on developing mathematical methods that employ behavioural reaction time data to differentiate between different implementation variants of integrational mechanisms. These methods are developed with respect to their application in the visual search paradigm. A modified version of the visual search paradigm, which involves feature change asynchronies to temporally separate featural manipulations in the presentation of stimuli, is applied to investigate into current research topics of pre-attentive feature integration. In a series of experiments recent findings about the temporal organization of feature integration and binding processes are addressed. In the focus of this experimental investigation is the question in how far differences in processing delays between dimension-specific featural information, like color, motion or orientation information, can account for temporal misbindings as has been recently reported in the literature.
The Neural Basis Of Free Will
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Author : Peter Ulric Tse
language : en
Publisher: MIT Press
Release Date : 2013-02-22
The Neural Basis Of Free Will written by Peter Ulric Tse and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-22 with Psychology categories.
A neuroscientific perspective on the mind–body problem that focuses on how the brain actually accomplishes mental causation. The issues of mental causation, consciousness, and free will have vexed philosophers since Plato. In this book, Peter Tse examines these unresolved issues from a neuroscientific perspective. In contrast with philosophers who use logic rather than data to argue whether mental causation or consciousness can exist given unproven first assumptions, Tse proposes that we instead listen to what neurons have to say. Tse draws on exciting recent neuroscientific data concerning how informational causation is realized in physical causation at the level of NMDA receptors, synapses, dendrites, neurons, and neuronal circuits. He argues that a particular kind of strong free will and “downward” mental causation are realized in rapid synaptic plasticity. Such informational causation cannot change the physical basis of information realized in the present, but it can change the physical basis of information that may be realized in the immediate future. This gets around the standard argument against free will centered on the impossibility of self-causation. Tse explores the ways that mental causation and qualia might be realized in this kind of neuronal and associated information-processing architecture, and considers the psychological and philosophical implications of having such an architecture realized in our brains.
The Neural Basis Of Visual Function
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Author : Audie G. Leventhal
language : en
Publisher:
Release Date : 1991
The Neural Basis Of Visual Function written by Audie G. Leventhal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.