Inhibition In The Process Of Feature Binding
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Author | : Snehlata Jaswal |
Publisher | : Frontiers E-books |
Total Pages | : 137 |
Release | : |
Genre | : |
ISBN | : 2889191400 |
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.
Author | : Kia Nobre |
Publisher | : |
Total Pages | : 478 |
Release | : 2010 |
Genre | : Medical |
ISBN | : 0199563454 |
Our ability to attend selectively to our surroundings - taking notice of the things that matter, and ignoring those that don't - is crucial if we are to negotiate the world around us in an efficient manner. Several aspects of the temporal dimension turn out to be critical in determining how we can put together and select the events that are important to us as they themselves unfold over time. For example, we often miss events that happen while we are occupied perceiving or responding to another stimulus. On the other hand, temporal regularity between events can also greatly improve our perception. In addition, our perception of the passage of time itself can also be distorted as while we are performing actions or paying attention to different aspects of the environment. Surprisingly, this fascinating and fundamental interplay between ' attention' and 'time' has been relatively neglected in the psychology and neuroscience literatures until very recently. Attention & Time is the first book to address this foundational topic, bringing together several intriguing and hitherto fragmented findings into a compelling and cohesive field of enquiry. The book contains thirty-one critical-review chapters from internationally recognised experts in the field, carefully organised into three stand-alone, yet extensively cross-referenced, themed sections. Each section focuses on distinct ways in which attention and time influence one another. These sections, each encompassing a range of methodologies from classical cognitive psychology to single-cell neurophysiology, provide functionally unifying frameworks to help guide the reader through the many various experimental and theoretical approaches adopted. Section 1 considers variations of attention across time, and explores how attentional allocation is limited by very short or very long intervals of time. Section 2 describes several types of temporal illusion, illustrating how attention can modulate the perception of the passage of time itself. "A watched pot never boils" and, conversely, "time flies when you're having fun" nicely capture the experimental observation that the degree of attention allocated to stimulus timing contributes to its subjective duration. Finally, Section 3 examines how attention can be directed in time, to predictable or expected moments in time, so as to optimise behaviour. Bringing conceptually discrete, yet functionally related, fields of temporal attention research together within a single volume, this book provides a comprehensive overview that will be of value to the interested novice in cognitive neuroscience, whilst also inspiring experts in the field to make, perhaps previously overlooked, links with their own field of research.
Author | : Jonathan M. Golding |
Publisher | : Psychology Press |
Total Pages | : 567 |
Release | : 2013-06-17 |
Genre | : Psychology |
ISBN | : 1134800738 |
Research on intentional forgetting has been conducted in various forms and under various names for at least 30 years, but until now no effort has been made to present these different perspectives in one place. Comprising both review chapters and new empirical studies, this book brings together the many research paradigms investigating intentional forgetting, thereby highlighting the commonalities that link these seemingly disparate areas of research. It serves as a "case study" of one phenomenon in memory--the intention to forget or to modify memory. Why is research on intentional forgetting important? It helps to increase the understanding of how memory functions, especially with regard to its updating. In William James' "booming, buzzing confusion," we frequently are unable to adequately process all of the information that we experience; on-line forgetting of some information is necessary. Moreover, we must often replace existing information with new information, as when someone we know relocates and acquires a new address and telephone number. Investigating this updating ability has been the main thrust of research on intentional forgetting, specifically those studies on the directed forgetting phenomenon. Cognitive experiments on directed forgetting have shown that we are able to deal more effectively with large amounts of information by following instructions to treat some of the information as "to be forgotten." In this way, interference is reduced and we are able to devote all of our resources to the remaining to-be-remembered information. The mechanisms that lead to this reduction continue to promote new experiments, but over a quarter century of research maintains that the directed forgetting effect is robust.
Author | : Lucas Paletta |
Publisher | : Springer |
Total Pages | : 283 |
Release | : 2009-02-21 |
Genre | : Medical |
ISBN | : 3642005829 |
Attention has represented a core scienti?c topic in the design of AI-enabled systems in the last few decades. Today, in the ongoing debate, design, and c- putationalmodelingofarti?cialcognitivesystems,attentionhasgainedacentral position as a focus of research. For instance, attentional methods are considered in investigating the interfacing of sensory and cognitive information processing, for the organization of behaviors, and for the understanding of individual and social cognition in infant development. Whilevisualcognitionplaysacentralroleinhumanperception,?ndingsfrom neuroscience and experimental psychology have provided strong evidence about the perception–action nature of cognition. The embodied nature of senso- motor intelligence requires a continuous and focused interplay between the c- trolofmotoractivitiesandtheinterpretationoffeedbackfromperceptualmod- ities. Decision making about the selection of information from the incoming sensory stream – in tune with contextual processing on a current task and an agent’s global objectives – becomes a further challenging issue in attentional control. Attention must operate at interfaces between a bottom-up-driven world interpretationandtop-down-driveninformationselection,thusactingatthecore of arti?cial cognitive systems. These insights have already induced changes in AI-related disciplines, such as the design of behavior-based robot control and the computational modeling of animats. Today, the development of enabling technologiessuch as autonomous robotic systems,miniaturizedmobile–evenwearable–sensors,andambientintelligence systems involves the real-time analysis of enormous quantities of data. These data have to be processed in an intelligent way to provide “on time delivery” of the required relevant information. Knowledge has to be applied about what needs to be attended to, and when, and what to do in a meaningful sequence, in correspondence with visual feedback.
Author | : Jonardon Ganeri |
Publisher | : Oxford University Press |
Total Pages | : 403 |
Release | : 2017 |
Genre | : Philosophy |
ISBN | : 0198757409 |
Jonardon Ganeri presents a radically reoriented account of mind, to which attention is the key. It is attention, not self, that explains the experiential and normative situatedness of humans in the world. Ganeri draws together three disciplines: analytic philosophy and phenomenology, cognitive science and psychology, and Buddhist thought.
Author | : David S. Gorfein |
Publisher | : American Psychological Association (APA) |
Total Pages | : 366 |
Release | : 2007 |
Genre | : Psychology |
ISBN | : |
Gorfein and MacLeod have compiled a collection of chapters written by top researchers in psychology discussing the concept of inhibition at the level of cognition and behavior. This work thoroughly addresses the concept of inhibition and covers the broad range of cognition, from attention and performance through memory and language.
Author | : Andrea Kiesel |
Publisher | : Springer Nature |
Total Pages | : 518 |
Release | : 2022-09-12 |
Genre | : Psychology |
ISBN | : 3031047605 |
This handbook on human multitasking provides an integrative overview on simultaneous and sequential multitasking and thus combines theorizing on dual task limitations as well as costs related to task switching. In addition to a wide range of empirical findings and their theoretical integration, the editors provide a number of applications of multitasking, like training, interindividual differences and applied research in traffic and health psychology and music expertise. The book is suitable for people interested in multitasking, that is, for researchers and graduate students of cognitive psychology, movement science, sport psychology, cognitive neuroscience, cognitive and neurological rehabilitation, aging sciences, and broader cognitive science.
Author | : Rajkumar Rajendram |
Publisher | : Elsevier |
Total Pages | : 696 |
Release | : 2024-06-15 |
Genre | : Science |
ISBN | : 0323956475 |
Features, Transmission, Detection, and Case Studies in COVID-19 examines the effects of the virus on the body, as well as its transmission and clinical profile. This volume begins with an introduction to the virus and its pathogenesis, transmission, and avoidance, followed by sections on pulmonary and cardiovascular effects, obesity, diabetes, the liver, detection issues, and biomarkers. Vaccines and treatment are also discussed. Specific case studies covered include hypoxia, acute kidney injury, pneumonia, and neurological effects. This volume is relevant for all clinicians and scientists working to ensure the best outcomes for patients with COVID-19. - Discusses COVID-19 biology, including pathogenesis and transmission - Describes systemic issues caused by COVID-19, including cardiovascular effects and loss of taste and smell - Outlines detection methods, biomarkers associated with severity, and disease outcomes - Features individual chapter introductions, summaries, and case studies to provide comprehensive descriptions of COVID-19 symptoms and effects - Contains chapters with key facts, dictionary of terms, summary points, applications to other areas pertinent to each chapter, and policies and procedures
Author | : Felice Iasevoli |
Publisher | : Frontiers Media SA |
Total Pages | : 130 |
Release | : 2020-01-13 |
Genre | : |
ISBN | : 2889633314 |
Author | : Ayanna K. Thomas |
Publisher | : Cambridge University Press |
Total Pages | : 1048 |
Release | : 2020-05-28 |
Genre | : Psychology |
ISBN | : 1108690742 |
Decades of research have demonstrated that normal aging is accompanied by cognitive change. Much of this change has been conceptualized as a decline in function. However, age-related changes are not universal, and decrements in older adult performance may be moderated by experience, genetics, and environmental factors. Cognitive aging research to date has also largely emphasized biological changes in the brain, with less evaluation of the range of external contributors to behavioral manifestations of age-related decrements in performance. This handbook provides a comprehensive overview of cutting-edge cognitive aging research through the lens of a life course perspective that takes into account both behavioral and neural changes. Focusing on the fundamental principles that characterize a life course approach - genetics, early life experiences, motivation, emotion, social contexts, and lifestyle interventions - this handbook is an essential resource for researchers in cognition, aging, and gerontology.